Agilent Technologies 6201B Guia do Utilizador

Agilent TechnologiesAgilent 34980A Multifunction Switch/Measure UnitUser’s Guide

viii 34980A User’s Guide34923A 40/80-Channel Reed Multiplexer 13734923A Simplified Schematic for Two- or Four-Wire Mode 14034923A D-Sub Connectors for

88 34980A User’s Guide2 Features and FunctionsProduct Firmware UpdatesAs new product features and enhancements become available, you can easily update

Features and Functions 234980A User’s Guide 89Front Panel Operation: Store/Recall > STORE|RECALL|DELETE|RENAME|AUTOTo rename a location, select REN

90 34980A User’s Guide2 Features and Functions• Errors are retrieved in first- in- first- out (FIFO) order. The first error returned is the first erro

Features and Functions 234980A User’s Guide 91Self-TestA power- on self- test occurs automatically when you turn on the instrument. This limited test

92 34980A User’s Guide2 Features and Functions• You can display a message on the front panel by sending a command from the remote interface. The instr

Features and Functions 234980A User’s Guide 93Real-Time System ClockDuring a scan, the instrument stores all readings and alarms with the current time

94 34980A User’s Guide2 Features and FunctionsRelay Cycle CountThe instrument has a Relay Maintenance System to help you predict relay end- of- life.

Features and Functions 234980A User’s Guide 95Calibration OverviewThis section gives a brief introduction to the calibration features of the instrumen

96 34980A User’s Guide2 Features and FunctionsTo Secure the Instrument for CalibrationYou can secure the instrument either from the front panel or ove

Features and Functions 234980A User’s Guide 97Calibration CountYou can query the instrument to determine how many calibrations have been performed on

34980A User’s Guide ix6 General Purpose Switch ModulesGeneral Purpose Switch Modules 18834937A and 34938A SCPI Programming Examples 19034937A 32-Chan

98 34980A User’s Guide2 Features and FunctionsCalibration MessageThe instrument allows you to store one message in calibration memory in the mainframe

Features and Functions 234980A User’s Guide 99Remote Interface ConfigurationThis section gives information on configuring the instrument for remote in

100 34980A User’s Guide2 Features and FunctionsGPIB InterfaceEach device on the GPIB (IEEE-488) interface must have a unique address. You can set the

Features and Functions 234980A User’s Guide 10134980A Web Browser InterfaceThe Agilent 34980A provides a Web Interface which is built into the instrum

102 34980A User’s Guide2 Features and FunctionsDHCPDHCP (Dynamic Host Configuration Protocol) is a protocol for automatically assigning a dynamic IP a

Features and Functions 234980A User’s Guide 103• Dot- notation addresses (“nnn.nnn.nnn.nnn” where “nnn” is a byte value) must be expressed with care,

104 34980A User’s Guide2 Features and FunctionsFront Panel Operation:Utility > REMOTE I/O > LAN > LAN SETTINGS > MODIFY > DHCP OFF >

Features and Functions 234980A User’s Guide 105Front Panel Operation:Utility > REMOTE I/O > LAN > LAN SETTINGS > MODIFY > DHCP OFF >

106 34980A User’s Guide2 Features and FunctionsFront Panel Operation:Utility > REMOTE I/O > LAN > LAN SETTINGS > MODIFY > DHCP OFF >

Features and Functions 234980A User’s Guide 107DNS ServerThe Domain Name Service (DNS) is an Internet service that translates Domain names into IP add

x 34980A User’s Guide10 64-Bit Digital I/O Module with Memory and Counter 34950A 64-Bit Digital I/O Module with Memory and Counter 266Basic Digital I/

108 34980A User’s Guide2 Features and FunctionsDomain NameA domain name is a registered name on the Internet, which is translated into an IP address.

Features and Functions 234980A User’s Guide 109Factory Reset StateThe following tables show the state of the instrument after a *RST or SYSTem:CPON co

110 34980A User’s Guide2 Features and FunctionsModule Hardware Factory Reset StateMultiplexer ModulesMatrix ModulesGP ModulesRF ModulesMicrowave Modul

Features and Functions 234980A User’s Guide 111Instrument Preset StateThe following tables show the state of the instrument after a SYSTem:PRESet comm

112 34980A User’s Guide2 Features and FunctionsModule Hardware Preset StateMultiplexer ModulesMatrix ModulesGP ModulesRF ModulesMicrowave ModulesSyste

113Agilent 34980A Multifunction Switch/Measure UnitUser’s GuideAgilent Technologies3Introduction to the Plug-In Modules for the 34980ASlot and Channel

114 34980A User’s Guide3 Introduction to the Plug-In Modules for the 34980ASlot and Channel Addressing SchemeThe eight module slots in the 34980A are

Introduction to the Plug-In Modules for the 34980A 334980A User’s Guide 115Interconnection Solutions OverviewDepending on your specific requirements,

116 34980A User’s Guide3 Introduction to the Plug-In Modules for the 34980AModule ConsiderationsThis section lists important items and actions that ca

Introduction to the Plug-In Modules for the 34980A 334980A User’s Guide 11734933A Dual/quad 4x8 matrix, 150 Vpeak,0.5 A, 10 VA per channelDual/quad 4x

1Agilent 34980A Multifunction Switch/Measure UnitUser’s GuideAgilent Technologies1Introduction to the 34980A Front Panel at a Glance 2Rear Panel at a

118 34980A User’s Guide3 Introduction to the Plug-In Modules for the 34980AElectrical Operating ConditionsTra nsients The 34921A, 34922A, 34923A, 3492

119Agilent 34980A Multifunction Switch/Measure UnitUser’s GuideAgilent Technologies4Low Frequency Multiplexer Switch ModulesLow Frequency Multiplexer

120 34980A User’s Guide4 Low Frequency Multiplexer Switch ModulesLow Frequency Multiplexer Switch ModulesAll low frequency multiplexer (MUX) switch mo

Low Frequency Multiplexer Switch Modules 434980A User’s Guide 121Measurement Functions for the MUX ModulesThe MUX modules support the DMM measurement

122 34980A User’s Guide4 Low Frequency Multiplexer Switch ModulesSCPI Programming Examples for the MUX ModulesThe programming examples below provide y

Low Frequency Multiplexer Switch Modules 434980A User’s Guide 123Example: Closing and opening Analog Bus relays The following command connects the A

124 34980A User’s Guide4 Low Frequency Multiplexer Switch ModulesExample: Making current measurements The following command configures channel 43 for

Low Frequency Multiplexer Switch Modules 434980A User’s Guide 125Example: Clearing the cycle count for a relay The following command resets the cycle

126 34980A User’s Guide4 Low Frequency Multiplexer Switch Modules34921A 40-Channel Armature Multiplexer with Low Thermal OffsetThe 34921A 40- Channel

Low Frequency Multiplexer Switch Modules 434980A User’s Guide 127Low thermal offset voltage makes the 34921A ideal for low- level signal switching. T

2 34980A User’s Guide1 Introduction to the 34980AFront Panel at a Glance 1On/Standby switch WARNINGss This switch is standby only. To disconnect the m

128 34980A User’s Guide4 Low Frequency Multiplexer Switch Modules34921A Simplified SchematicThis drawing shows two independent 20- channel 2- wire MUX

Low Frequency Multiplexer Switch Modules 434980A User’s Guide 12934921A D-Sub ConnectorsBank 1 Bank 2 For orientation, the D-sub connector end of th

130 34980A User’s Guide4 Low Frequency Multiplexer Switch Modules34921T Terminal BlockThis terminal block with screw- type connections is labeled with

Low Frequency Multiplexer Switch Modules 434980A User’s Guide 131The 34980A Product Reference CD (shipped with the instrument) contains a 34921T Wiri

132 34980A User’s Guide4 Low Frequency Multiplexer Switch Modules34922A 70-Channel Armature MultiplexerThe high- density 34922A 70- Channel Armature M

Low Frequency Multiplexer Switch Modules 434980A User’s Guide 13334922A Simplified Schematic This drawing shows two independent 35- channel 2- wire M

134 34980A User’s Guide4 Low Frequency Multiplexer Switch Modules34922A D-Sub Connectors Bank 1For orientation, the D-sub connector end of the module

Low Frequency Multiplexer Switch Modules 434980A User’s Guide 135Bank 2For orientation, the D-sub connector end of the module is facing you.Bank 2Ban

136 34980A User’s Guide4 Low Frequency Multiplexer Switch Modules34922T Terminal Block This terminal block with solder- type connections is labeled wi

Low Frequency Multiplexer Switch Modules 434980A User’s Guide 13734923A 40/80-Channel Reed MultiplexerThe 34923A 40/80- Channel Reed Multiplexer (40/

Introduction to the 34980A 134980A User’s Guide 3Rear Panel at a Glance1Access to Analog Buses (shown with cover installed). For pinout, see page 4.2M

138 34980A User’s Guide4 Low Frequency Multiplexer Switch ModulesFour-Wire ModeThis 20- channel 4- wire MUX This configuration requires neither using

Low Frequency Multiplexer Switch Modules 434980A User’s Guide 139Lifetime of relays is severely degraded as current or voltage goes up. If higher vol

140 34980A User’s Guide4 Low Frequency Multiplexer Switch Modules34923A Simplified Schematic for Two- or Four-Wire ModeThis drawing shows two independ

Low Frequency Multiplexer Switch Modules 434980A User’s Guide 14134923A D-Sub Connectors for Two- or Four-Wire ModeBank 1 Bank 2 For orientation, the

142 34980A User’s Guide4 Low Frequency Multiplexer Switch Modules34923T-001 Terminal Block for Two- or Four-Wire Mode This terminal block with screw-

Low Frequency Multiplexer Switch Modules 434980A User’s Guide 14334923A Simplified Schematic for One-Wire ModeThis drawing shows two independent 40-

144 34980A User’s Guide4 Low Frequency Multiplexer Switch Modules34923A D-Sub Connectors for One-Wire ModeBank 1 Bank 2 For orientation, the D-sub con

Low Frequency Multiplexer Switch Modules 434980A User’s Guide 14534923T-002 Terminal Block for One-Wire Mode This terminal block with screw- type con

146 34980A User’s Guide4 Low Frequency Multiplexer Switch Modules34924A 70-Channel Reed MultiplexerThe high- density 34924A 70- Channel Reed Multiplex

Low Frequency Multiplexer Switch Modules 434980A User’s Guide 147This module is interlock protected, which means whenever the D- sub connector end of

4 34980A User’s Guide1 Introduction to the 34980ARear Panel Connector PinoutsExternal Trigger/Alarms Connector (Male D-Sub)Analog Bus Connector (Femal

148 34980A User’s Guide4 Low Frequency Multiplexer Switch Modules34924A Simplified SchematicThis drawing shows two independent 35- channel 2- wire MUX

Low Frequency Multiplexer Switch Modules 434980A User’s Guide 14934924A D-Sub ConnectorsBank 1 For orientation, the D-sub connector end of the module

150 34980A User’s Guide4 Low Frequency Multiplexer Switch ModulesBank 2 For orientation, the D-sub connector end of the module is facing you.Bank 2Ban

Low Frequency Multiplexer Switch Modules 434980A User’s Guide 15134924T Terminal Block This terminal block with solder- type connections is labeled w

152 34980A User’s Guide4 Low Frequency Multiplexer Switch Modules34925A 40/80-Channel Optically-Isolated FET Multiplexer The 34925A 40/80- Channel Opt

Low Frequency Multiplexer Switch Modules 434980A User’s Guide 153Four-Wire• one 20- channel 4- wire MUX. This configuration requires using neither ex

154 34980A User’s Guide4 Low Frequency Multiplexer Switch Modules• using the *RST command. This command resets the mainframe and all installed modules

Low Frequency Multiplexer Switch Modules 434980A User’s Guide 15534925A Simplified Schematic for Two- or Four-Wire ModeThis drawing shows two indepen

156 34980A User’s Guide4 Low Frequency Multiplexer Switch Modules34925A D-Sub Connectors for Two- or Four-Wire ModeBank 1 Bank 2 For orientation, the

Low Frequency Multiplexer Switch Modules 434980A User’s Guide 15734925T-001 Terminal Block for Two- or Four-Wire Mode This terminal block with screw-

Introduction to the 34980A 134980A User’s Guide 5Annunciator Display IndicatorsDisplay Indicator DefinitionLAN Communicating with the 34980A over LAN.

158 34980A User’s Guide4 Low Frequency Multiplexer Switch Modules34925A Simplified Schematic for One-Wire ModeThis drawing shows two independent 40- c

Low Frequency Multiplexer Switch Modules 434980A User’s Guide 15934925A D-Sub Connectors for One-Wired ModeBank 1 Bank 2 For orientation, the D-sub c

160 34980A User’s Guide4 Low Frequency Multiplexer Switch Modules34925T-002 Terminal Block for One-Wire Mode This terminal block with screw- type conn

161Agilent 34980A Multifunction Switch/Measure UnitUser’s GuideAgilent Technologies5Matrix Switch ModulesMatrix Switch Modules 162SCPI Programming Exa

162 34980A User’s Guide5 Matrix Switch ModulesMatrix Switch Modules The matrix switch modules for the 34980A offer a convenient way for you to connect

Matrix Switch Modules 534980A User’s Guide 163SCPI Programming Examples for the Matrix ModulesThe programming examples below provide you with SCPI co

164 34980A User’s Guide5 Matrix Switch ModulesOpening and Closing Channels Example: Closing and opening matrix channels (34931A, 34932A, and 34933A in

Matrix Switch Modules 534980A User’s Guide 165ROUTe:CLOSe (@2304:2615,1911)Example: Querying channels for open or close state The following command r

166 34980A User’s Guide5 Matrix Switch ModulesLinking Multiple Matrix ModulesYou can link multiple matrix modules to form a larger matrix. The followi

Matrix Switch Modules 534980A User’s Guide 16712341234123n*n - 1123n*n - 1*n can be 8 or 16 8 or 16 Columns8 RowsModule 1Module 2Increase number of r

6 34980A User’s Guide1 Introduction to the 34980AFront Panel Menu ReferenceThis section gives an overview of the top two levels of menus that you acce

168 34980A User’s Guide5 Matrix Switch Modules34931A Dual 4x8 Armature MatrixThe 34931A dual 4x8 armature matrix contains two matrices, each with 32 2

Matrix Switch Modules 534980A User’s Guide 16934931A Simplified SchematicABus1DMM(MEAS)ABus2DMM(SENS)ABus3ABus4922923924921HLHLHLHLHLHLHLHLLLLLHHHHHH

170 34980A User’s Guide5 Matrix Switch Modules34931A D-Sub ConnectorsMatrix 1Matrix 2For orientation, the D-sub connector end of the module is facing

Matrix Switch Modules 534980A User’s Guide 17134931T Terminal Block This terminal block with screw- type connections is labeled with the model number

172 34980A User’s Guide5 Matrix Switch ModulesNOTEOn the 34931T terminal block, only two sets of screw terminals are for use with the 34931A module. S

Matrix Switch Modules 534980A User’s Guide 17334932A Dual 4x16 Armature Matrix The 34932A dual 4x16 armature matrix contains two matrices, each with

174 34980A User’s Guide5 Matrix Switch Modules34932A Simplified Schematic ABus1DMM(MEAS)ABus2DMM(SENS)ABus3ABus4922923924921HLHLHLHL HLHLLLLLHHHHHHHLL

Matrix Switch Modules 534980A User’s Guide 17534932A D-Sub ConnectorsMatrix 1 Matrix 2For orientation, the D-sub connector end of the module is facin

176 34980A User’s Guide5 Matrix Switch Modules34932T Terminal Block This terminal block with screw- type connections is labeled with the model number

Matrix Switch Modules 534980A User’s Guide 17734933A Dual/Quad 4x8 Reed MatrixUsing program commands or the front panel of the 34980A, you can config

Introduction to the 34980A 134980A User’s Guide 7Instrument Rack MountingUsing the optional Agilent Y1130A Rack Mount Kit, you can mount the 34980A in

178 34980A User’s Guide5 Matrix Switch ModulesOne-Wire ModeTo physically configure the module in 1- wire mode, use the 34933T- 002 terminal block, or

Matrix Switch Modules 534980A User’s Guide 17934933A Simplified Schematic for Two-Wire Mode Row 8Row 7Row 6C2LC2LbypassLC8LbypassLC8LC2HC2HbypassHHLL

180 34980A User’s Guide5 Matrix Switch Modules34933A D-Sub Connectors for Two-Wire ModeMatrix 1Matrix 2For orientation, the D-sub connector end of the

Matrix Switch Modules 534980A User’s Guide 18134933T-001 Terminal Block for Two-Wire ModeThis terminal block with screw- type connections is labeled

182 34980A User’s Guide5 Matrix Switch ModulesWhen using the 34933T terminal block for 2- wire mode, access is provided to the bypass columns through

Matrix Switch Modules 534980A User’s Guide 18334933A Simplified Schematic for One-Wire Mode HHHHABus1DMM(MEAS)921ABus2DMM(SENS)922ABus3923ABus4924HHL

184 34980A User’s Guide5 Matrix Switch Modules34933A D-Sub Connectors for One-Wire ModeMatrices 1 and 2Matrices 3 and 4For orientation, the D-sub conn

Matrix Switch Modules 534980A User’s Guide 18534933T-002 Terminal Block for One-Wire ModeThis terminal block with screw- type connections is labeled

186 34980A User’s Guide5 Matrix Switch Modules

187Agilent 34980A Multifunction Switch/Measure UnitUser’s GuideAgilent Technologies6General Purpose Switch ModulesGeneral Purpose Switch Modules 18834

8 34980A User’s Guide1 Introduction to the 34980AAgilent 34980A Dimensions (shown with Reverse Rack Mount brackets installed)425.6 mm (16.76 in)367.7

188 34980A User’s Guide6 General Purpose Switch ModulesGeneral Purpose Switch Modules Use the general- purpose (GP) switch modules in your 34980A main

General Purpose Switch Modules 634980A User’s Guide 189After a five- to ten- second delay, remove the sheet metal cover from the module and move the

190 34980A User’s Guide6 General Purpose Switch Modules34937A and 34938A SCPI Programming ExamplesThe programming examples below provide you with SCPI

General Purpose Switch Modules 634980A User’s Guide 191Reading Cycle Count and Resetting Modules to Power-On StateExample: Reading the cycle count for

192 34980A User’s Guide6 General Purpose Switch Modules34937A 32-Channel GP SwitchThe 34937A general- purpose switch module provides independent contr

General Purpose Switch Modules 634980A User’s Guide 19334937A D-Sub ConnectorsBank 1Bank 2For orientation, the D-sub connector end of the module is fa

194 34980A User’s Guide6 General Purpose Switch Modules34937T Terminal Block This terminal block with screw- type connections is labeled with the mode

General Purpose Switch Modules 634980A User’s Guide 19534938A 20-Channel High-Current GP SwitchThe 34938A high- channel GP switch module provides twen

196 34980A User’s Guide6 General Purpose Switch Modules34938A D-Sub ConnectorsBank 1Bank 2For orientation, the D-sub connector end of the module is fa

General Purpose Switch Modules 634980A User’s Guide 19734938T Terminal Block This terminal block with screw- type connections is labeled with the mode

9Agilent 34980A Multifunction Switch/Measure UnitUser’s GuideAgilent Technologies2Features and FunctionsClearing 34980A Memory 10SCPI Language Convent

198 34980A User’s Guide6 General Purpose Switch Modules

199Agilent 34980A Multifunction Switch/Measure UnitUser’s GuideAgilent Technologies7RF Multiplexer Switch Modules34941A and 34942A RF Multiplexer Swit

200 34980A User’s Guide7 RF Multiplexer Switch Modules34941A and 34942A RF Multiplexer Switch Modules The 34941A and 34942A Quad 1x4 RF MUX switch mod

RF Multiplexer Switch Modules 734980A User’s Guide 201Installing SMA ConnectorsWhen installing SMA connectors on the 34941A module, it is recommend t

202 34980A User’s Guide7 RF Multiplexer Switch Modules34941A and 34942A SCPI Programming ExamplesThe programming examples below provide you with SCPI

RF Multiplexer Switch Modules 734980A User’s Guide 203Example: Clearing the cycle count for a relay The following command resets the cycle count on

204 34980A User’s Guide7 RF Multiplexer Switch Modules

205Agilent 34980A Multifunction Switch/Measure UnitUser’s GuideAgilent Technologies8Microwave Switch/Attenuator Driver34945A Microwave Switch/Attenuat

206 34980A User’s Guide8 Microwave Switch/Attenuator Driver34945A Microwave Switch/Attenuator DriverThe 34945A consists of a plug- in driver interface

Microwave Switch/Attenuator Driver 834980A User’s Guide 207A system configuration is illustrated below. As shown, two driver interface modules are use

10 34980A User’s Guide2 Features and FunctionsClearing 34980A MemoryFor security reasons, you may want to clear memory in the 34980A. To clear all mea

208 34980A User’s Guide8 Microwave Switch/Attenuator DriverAn alternate system configuration, using multiple remote modules, is illustrated below. As

Microwave Switch/Attenuator Driver 834980A User’s Guide 209A 34945EXT remote module is shown below. Each 34945EXT has an I/O Access LED used to indica

210 34980A User’s Guide8 Microwave Switch/Attenuator DriverRecommended Switches and AttenuatorsThe recommended Agilent switches and attenuators for us

Microwave Switch/Attenuator Driver 834980A User’s Guide 211Power SuppliesThe switches and attenuators on the first remote module may be powered from t

212 34980A User’s Guide8 Microwave Switch/Attenuator DriverChannel NumberingThe 34945A uses the following channel numbering scheme:<slot><rem

Microwave Switch/Attenuator Driver 834980A User’s Guide 213Simple Switch ControlAll examples in this chapter make reference to SCPI commands for switc

214 34980A User’s Guide8 Microwave Switch/Attenuator DriverRemote Module IdentifiersA special channel numbering method exists for use with SCPI comman

Microwave Switch/Attenuator Driver 834980A User’s Guide 215Using Single Drive Switches and AttenuatorsSome microwave switches require a single drive.

216 34980A User’s Guide8 Microwave Switch/Attenuator DriverUsing Dual Drive Switches and AttenuatorsMany microwave switches and attenuators have a pai

Microwave Switch/Attenuator Driver 834980A User’s Guide 217Using Pulse DriveTo use the pulse drive mode, send the ROUTe:CHANnel:DRIVe:PULSe:MODE ON co

Features and Functions 234980A User’s Guide 11SCPI Language ConventionsThroughout this guide, the following conventions are used for SCPI command synt

218 34980A User’s Guide8 Microwave Switch/Attenuator DriverLong Execution TimesWhen configuring long channel pulse drive times and/or power supply rec

Microwave Switch/Attenuator Driver 834980A User’s Guide 219The state of all verified channels on a remote module is refreshed whenever any channel on

220 34980A User’s Guide8 Microwave Switch/Attenuator DriverLED DriveThe distribution boards contain a ribbon cable header you can use to connect LEDs

Microwave Switch/Attenuator Driver 834980A User’s Guide 221Default and Reset StatesThe 34945A allows several types of reset and default actions. Most

222 34980A User’s Guide8 Microwave Switch/Attenuator DriverSYSTem:PRESet, *RST, SYSTem:CPON and Power OnThese actions drive the channels to their defi

Microwave Switch/Attenuator Driver 834980A User’s Guide 223ROUTe:RMODule:BANK:PRESetThis command sets a bank to default values that vary according to

224 34980A User’s Guide8 Microwave Switch/Attenuator DriverDistribution BoardsEach 34945EXT remote module can hold up to four distribution boards. Dis

Microwave Switch/Attenuator Driver 834980A User’s Guide 225Y1150A The Y1150A supports the Agilent N181x series microwave switches shown below. Up to e

226 34980A User’s Guide8 Microwave Switch/Attenuator DriverY1150A ConnectionsY1150A Switch Connectors SW1 Through SW8 +VR is the Voltage source for th

Microwave Switch/Attenuator Driver 834980A User’s Guide 227* 26 AWG recommended for 5V coil switchesY1150A Switch Control All switches are driven in P

12 34980A User’s Guide2 Features and FunctionsThe Analog Bus relays (numbered s911, s912, s913, etc.) on the multiplexer and matrix modules are igno

228 34980A User’s Guide8 Microwave Switch/Attenuator DriverY1150A LED Connectors LED1 and LED2121516LED1 Connector LED2 ConnectorPin Use Pin Use Pin U

Microwave Switch/Attenuator Driver 834980A User’s Guide 229Y1151AThe Y1151A supports up to two of the Agilent microwave switches shown below. Y1151A S

230 34980A User’s Guide8 Microwave Switch/Attenuator DriverY1151A ConnectionsY1151A Switch Connector SW1 and SW2+VR is the Voltage source for the Rela

Microwave Switch/Attenuator Driver 834980A User’s Guide 231Pin 1Pin 1Item Description Example Part NumbersCable Type 16 conductor ribbon cable, 0.050&

232 34980A User’s Guide8 Microwave Switch/Attenuator DriverY1151A Switch Control All channels are single drive. Path Closed Path OpenSW1 Path 1 ROUT:C

Microwave Switch/Attenuator Driver 834980A User’s Guide 233Y1151A LED Connectors LED1 and LED2121516LED1 Connector LED2 ConnectorPin Use Pin Use Pin U

234 34980A User’s Guide8 Microwave Switch/Attenuator DriverY1152AThe Y1152A supports one of the 87xxx switches and up to two of the Agilent N181x swit

Microwave Switch/Attenuator Driver 834980A User’s Guide 235Y1152A ConnectionsY1152A Switch connector SW1 (87204/06)LED ConnectorsSwitchConnectorsPin U

236 34980A User’s Guide8 Microwave Switch/Attenuator DriverY1152A Switch Connector SW2 and SW3 (N181x)+VR is the Voltage source for the Relay+VI is th

Microwave Switch/Attenuator Driver 834980A User’s Guide 23716 Conductor Cable9 Conductor CableY1152A Switch ControlAll channels are driven in PAIRed m

Features and Functions 234980A User’s Guide 13General Measurement ConfigurationThis section contains general information to help you configure the ins

238 34980A User’s Guide8 Microwave Switch/Attenuator DriverY1152A LED Connectors LED1 and LED2211516LED1 Connector LED2 ConnectorPin Use Pin Use Pin U

Microwave Switch/Attenuator Driver 834980A User’s Guide 239Y1153AThe Y1153A supports the attenuators listed below. Up to two of the attenuators may be

240 34980A User’s Guide8 Microwave Switch/Attenuator Driver8494/5/6Y1153A ConnectionsOption Name Option Number Description and CommentsFrequency Range

Microwave Switch/Attenuator Driver 834980A User’s Guide 241Y1153A Attenuator connector P101 and P102 (84904/5/8)84904/5/6/7/8Pin Use Pin Use1 Section

242 34980A User’s Guide8 Microwave Switch/Attenuator Driver8494/5/6Y1153A Attenuator ControlAll channel are operated in PAIRed mode.Item Description E

Microwave Switch/Attenuator Driver 834980A User’s Guide 243Y1153A LED Connectors LED1 and LED2211516LED1 Connector LED2 ConnectorPin Use Pin Use Pin U

244 34980A User’s Guide8 Microwave Switch/Attenuator DriverY1154AThe Y1154A supports one of the transfer switches listed below and up to six N181x swi

Microwave Switch/Attenuator Driver 834980A User’s Guide 245Y1154A ConnectionsY1154A Switch connector SW1 and SW2 (87222)LED ConnectorsTransfer SwitchC

246 34980A User’s Guide8 Microwave Switch/Attenuator DriverY1154A Switch connector SW3 Through SW8 (N181x)+VR is the Voltage source for the Relay+VI i

Microwave Switch/Attenuator Driver 834980A User’s Guide 24787222 Cable9 Conductor CableY1154A Switch ControlAll channels are operated in PAIRed mode.

14 34980A User’s Guide2 Features and Functions• To stop storing readings in memory during long measurements, press and hold the Scan (Measure) key.• T

248 34980A User’s Guide8 Microwave Switch/Attenuator DriverY1154A LED Connectors LED1 and LED2211516LED1 Connector LED2 ConnectorPin Use Pin Use Pin U

Microwave Switch/Attenuator Driver 834980A User’s Guide 249Y1155AThe Y1155A provides screw terminal connections can support the Agilent switches liste

250 34980A User’s Guide8 Microwave Switch/Attenuator DriverY1155A Switch Options SupportedRecommended options are shaded. Option Name Option Number De

Microwave Switch/Attenuator Driver 834980A User’s Guide 251Y1155A Connections+VR is the Voltage source for the Relay+VI is the Voltage source for the

252 34980A User’s Guide8 Microwave Switch/Attenuator DriverY1155A Switch ControlPaired Operations** PAIRed operation must be configured manually. The

Microwave Switch/Attenuator Driver 834980A User’s Guide 253Y1155A LED Connectors LED1 and LED2211516LED1 Connector LED2 ConnectorPin Use Pin Use Pin U

254 34980A User’s Guide8 Microwave Switch/Attenuator DriverSimplified Connection DiagramsSingle Drive With Separate Position IndicatorsThe simplified

Microwave Switch/Attenuator Driver 834980A User’s Guide 255Paired Drive With Separate Position IndicatorsThe simplified schematic below illustrates th

256 34980A User’s Guide8 Microwave Switch/Attenuator DriverPaired Drive With Combined Position IndicatorsThe simplified schematic below illustrates th

Microwave Switch/Attenuator Driver 834980A User’s Guide 257Mounting the Remote ModulesThe figure below shows the dimensions of the remote module and t

Features and Functions 234980A User’s Guide 15• The Analog Bus relays are automatically opened and closed as required during the scan to connect to th

258 34980A User’s Guide8 Microwave Switch/Attenuator DriverSCPI Programming ExamplesThese programming examples provide you with SCPI command examples

Microwave Switch/Attenuator Driver 834980A User’s Guide 259Example: Configuring a Paired Drive ChannelThe following example illustrates the sequence o

260 34980A User’s Guide8 Microwave Switch/Attenuator DriverExample: Configuring a Single Drive ChannelThe following example illustrates the sequence o

261Agilent 34980A Multifunction Switch/Measure UnitUser’s GuideAgilent Technologies9Dual/Triple Microwave Switch Modules34946A and 34947A Dual/Triple

262 34980A User’s Guide9 Dual/Triple Microwave Switch Modules34946A and 34947A Dual/Triple Microwave Switch ModulesThe 34946A and 34947A modules offer

Dual/Triple Microwave Switch Modules 934980A User’s Guide 26334946A and 34947A SCPI Programming ExamplesThe programming examples below provide you wi

264 34980A User’s Guide9 Dual/Triple Microwave Switch ModulesExample: Resetting Module(s) to Power-On State The following command resets a module in s

265Agilent 34980A Multifunction Switch/Measure UnitUser’s GuideAgilent Technologies1064-Bit Digital I/O Module with Memory and Counter Basic Digital I

266 34980A User’s Guide10 64-Bit Digital I/O Module with Memory and Counter34950A 64-Bit Digital I/O Module with Memory and CounterThe 34950A has 64-

64-Bit Digital I/O Module with Memory and Counter 1034980A User’s Guide 267Basic Digital I/O OperationsChannel Numbering and WidthThe digital channels

16 34980A User’s Guide2 Features and FunctionsAnalog BusesThe 34980A provides four 2- wire internal Analog Buses for easier signal routing. You can ro

268 34980A User’s Guide10 64-Bit Digital I/O Module with Memory and CounterTo read digital data with more control over the channel parameters, use the

64-Bit Digital I/O Module with Memory and Counter 1034980A User’s Guide 269You can set a channel to output in either active drive or open collector co

270 34980A User’s Guide10 64-Bit Digital I/O Module with Memory and CounterThis command sequence set the first 8 bits (channel 101) to normal polarity

64-Bit Digital I/O Module with Memory and Counter 1034980A User’s Guide 271The following handshake command sets the synchronous handshaking mode for t

272 34980A User’s Guide10 64-Bit Digital I/O Module with Memory and CounterSynchronous Handshake ModeIn the synchronous handshake mode, a strobe or cl

64-Bit Digital I/O Module with Memory and Counter 1034980A User’s Guide 273Synchronous Unbuffered Outputs For synchronous handshake unbuffered outputs

274 34980A User’s Guide10 64-Bit Digital I/O Module with Memory and CounterSynchronous Buffered Inputs You can use synchronous mode handshake with buf

64-Bit Digital I/O Module with Memory and Counter 1034980A User’s Guide 275Synchronous Buffered Outputs You can use synchronous mode handshake with bu

276 34980A User’s Guide10 64-Bit Digital I/O Module with Memory and CounterOptionally, you can provide an external strobe input on the H2 line to cont

64-Bit Digital I/O Module with Memory and Counter 1034980A User’s Guide 277Buffered I/O OperationsEach of the two banks on the 34950A has its own memo

Features and Functions 234980A User’s Guide 17Measurement FunctionsThe following table shows which DMM measurement functions are supported by each of

278 34980A User’s Guide10 64-Bit Digital I/O Module with Memory and CounterSet the number of times to output the trace. Each trace can be output once,

64-Bit Digital I/O Module with Memory and Counter 1034980A User’s Guide 279Trigger the output. When the default trigger source is used, the SOURce:DIG

280 34980A User’s Guide10 64-Bit Digital I/O Module with Memory and CounterSet the number of samples to collect. The SENSe:DIGital:MEMory:SAMPle:COUNt

64-Bit Digital I/O Module with Memory and Counter 1034980A User’s Guide 281Interrupt LinesEach bank has an interrupt line that can be used with memory

282 34980A User’s Guide10 64-Bit Digital I/O Module with Memory and CounterWhen set to ACTive the interrupt line will be driven by the module. The hig

64-Bit Digital I/O Module with Memory and Counter 1034980A User’s Guide 283Input Operations For input operations (see page page 279), bytes are read i

284 34980A User’s Guide10 64-Bit Digital I/O Module with Memory and CounterPattern MatchingPattern matching can be used on input channels only. Patter

64-Bit Digital I/O Module with Memory and Counter 1034980A User’s Guide 285CounterThe 34950A has two 10 MHz frequency counter/totalizer measurement in

286 34980A User’s Guide10 64-Bit Digital I/O Module with Memory and CounterInitiated Measurement ModeMeasurements such as frequency, period, duty cycl

64-Bit Digital I/O Module with Memory and Counter 1034980A User’s Guide 287ClockThe general- purpose clock output is derived from the internal time ba

Notices© Agilent Technologies, Inc. 2004, 2005No part of this manual may be reproduced in any form or by any means (including electronic storage and r

18 34980A User’s Guide2 Features and FunctionsMeasurement RangeYou can allow the instrument to automatically select the measurement range using autora

288 34980A User’s Guide10 64-Bit Digital I/O Module with Memory and CounterAs viewed from the rear panel, the pins in each connector are numbered as s

64-Bit Digital I/O Module with Memory and Counter 1034980A User’s Guide 289P2 (Bank 2) Connector Pin AssignmentsPin Signal Pin Signal Pin Signal Pin S

290 34980A User’s Guide10 64-Bit Digital I/O Module with Memory and Counter34950T Terminal BlockThe optional 34950T terminal block has screw type conn

291Agilent 34980A Multifunction Switch/Measure UnitUser’s GuideAgilent Technologies114-Channel Isolated D/A Converter with Waveform Memory Module34951

292 34980A User’s Guide11 4-Channel Isolated D/A Converter with Waveform Memory Module34951A 4-Channel Isolated D/A Converter with Waveform Memory Mod

4-Channel Isolated D/A Converter with Waveform Memory Module 1134980A User’s Guide 293The on- board memory provides storage for you to create up to 3

294 34980A User’s Guide11 4-Channel Isolated D/A Converter with Waveform Memory ModuleAuto- CalibrationThe 34951A features auto- calibration (auto- ca

4-Channel Isolated D/A Converter with Waveform Memory Module 1134980A User’s Guide 29534951A SCPI Programming ExamplesThe programming examples below

296 34980A User’s Guide11 4-Channel Isolated D/A Converter with Waveform Memory ModuleExample: Downloading trace points to memory and outputting wavef

4-Channel Isolated D/A Converter with Waveform Memory Module 1134980A User’s Guide 297External TriggerExample: Selecting the external trigger source

Features and Functions 234980A User’s Guide 19Measurement ResolutionResolution is expressed in number of digits the internal DMM can measure or displa

298 34980A User’s Guide11 4-Channel Isolated D/A Converter with Waveform Memory ModuleConfiguring a DAC ModuleExample: Querying the system for module

4-Channel Isolated D/A Converter with Waveform Memory Module 1134980A User’s Guide 29934951A Simplified Block DiagramsThe following diagram shows how

300 34980A User’s Guide11 4-Channel Isolated D/A Converter with Waveform Memory ModuleThe following diagram shows individual DAC channel configuration

4-Channel Isolated D/A Converter with Waveform Memory Module 1134980A User’s Guide 30134951T Terminal Block Each terminal block is labeled with the m

302 34980A User’s Guide11 4-Channel Isolated D/A Converter with Waveform Memory Module

303Agilent 34980A Multifunction Switch/Measure UnitUser’s GuideAgilent Technologies12Multifunction Module with DIO, D/A, and Totalizer34952A Multifunc

304 34980A User’s Guide12 Multifunction Module with DIO, D/A, and Totalizer34952A Multifunction ModuleThe 34952A Multifunction Module with DIO, D/A, a

Multifunction Module with DIO, D/A, and Totalizer 1234980A User’s Guide 30534952A SCPI Programming ExamplesThe programming examples below provide you

306 34980A User’s Guide12 Multifunction Module with DIO, D/A, and TotalizerThe following command configures totalizer channel 5 on the Multifunction m

Multifunction Module with DIO, D/A, and Totalizer 1234980A User’s Guide 30734952A Simplified Block DiagramDIO32 BitsTotalizerCount +Count -Channel00

20 34980A User’s Guide2 Features and FunctionsThe following command selects the 1 A range with 6½ digits of resolution on channel 2041 (current measur

308 34980A User’s Guide12 Multifunction Module with DIO, D/A, and Totalizer34952A D-Sub ConnectorBIT19BIT12BIT13BIT14BIT15GNDBIT20BIT21BIT18BIT17BIT16

Multifunction Module with DIO, D/A, and Totalizer 1234980A User’s Guide 30934952T Terminal Block Each terminal block is labeled with the model number

310 34980A User’s Guide12 Multifunction Module with DIO, D/A, and Totalizer

311Agilent 34980A Multifunction Switch/Measure UnitUser’s GuideAgilent Technologies13Breadboard Module34959A Breadboard Module Description 31234959A B

312 34980A User’s Guide13 Breadboard Module34959A Breadboard Module DescriptionThe 34959A Breadboard Module provides a 137mm x 190mm x 23mm (5.4” x 7.

Breadboard Module 1334980A User’s Guide 31334959A Breadboard Module DisassemblyThe module as shipped as shown below. The port covers must be removed i

314 34980A User’s Guide13 Breadboard Module34959A Breadboard Module Layout (shown with cover removed)

Breadboard Module 1334980A User’s Guide 315Ribbon Cable Header Pin Assignment InformationThe 34959A breadboard is supplied with two ribbon cable heade

316 34980A User’s Guide13 Breadboard ModuleSupplied 40-Pin Ribbon Cable Header P101 (3M part #3432-5602)40-pin 0.1” Ribbon Cable Connector (typical ke

Breadboard Module 1334980A User’s Guide 317Configuring the 34959A Breadboard ModuleAccessing the 34980A Mainframe’s Analog BusIf your custom circuitry

Features and Functions 234980A User’s Guide 21• The following table shows the relationship between integration time, measurement resolution, number of

318 34980A User’s Guide13 Breadboard ModuleThe connections from the Analog Bus outputs (8 holes marked on the Agilent- supplied PC board as 1 through

Breadboard Module 1334980A User’s Guide 319Installing Custom Circuitry on the 34959A Breadboard ModuleConnection to the Ribbon Cable HeadersThe two su

320 34980A User’s Guide13 Breadboard ModuleInstalling a Custom PC BoardThe remaining space in the breadboard module is available for installing custom

Breadboard Module 1334980A User’s Guide 321Operating ConsiderationsElectrical SpecificationsThe specifications below were derived from the individual

322 34980A User’s Guide13 Breadboard ModuleDimension Information for the Custom PC Board AreaUtilization of the empty space within the 34959A breadboa

Breadboard Module 1334980A User’s Guide 323Dimensions of Suggested (maximum size) Custom PC Board

324 34980A User’s Guide13 Breadboard Module PC Board Footprint of Suggested DB50 Connectors (M/F)

Breadboard Module 1334980A User’s Guide 325PC Board Footprint of Suggested DB78M ConnectorPC Board Footprint of Suggested DB78F Connector

326 34980A User’s Guide13 Breadboard ModuleProgramming the 34959A Breadboard ModuleThe 34959A Breadboard Module has three methods of signal input/outp

Breadboard Module 1334980A User’s Guide 327Example: If the Breadboard Module is in slot 7, the following command closes relay K103 to Analog Bus 3 (c

22 34980A User’s Guide2 Features and FunctionsAutozeroWhen autozero is enabled (default), the instrument internally disconnects the input signal follo

328 34980A User’s Guide13 Breadboard ModuleDigital I/O FunctionsThe Digital input/output (DIO) interface provides two 8- bit bytes of DIO, which may b

Breadboard Module 1334980A User’s Guide 329If both bytes are targeted in the write (SOURce) command, both control lines 1 and 2 are set strobe low, bo

330 34980A User’s Guide13 Breadboard ModuleRead Command SyntaxBefore reading digital data from the breadboard, you must first configure the digital ch

Breadboard Module 1334980A User’s Guide 331Example: If the Breadboard Module is in slot 4, and channels 001 and 002 have been configured as a word inp

332 34980A User’s Guide13 Breadboard ModuleExample: If the Breadboard Module is in slot 3, and channel 002 has been configured as a byte output, the f

Index34980A User’s Guide 333Symbols*RST state, 109±9.9E+37 (overload), 18Numerics10BaseT/100Base Tx, 32-wire versus 1-wire mode, 2834921Aconnector pin

334 34980A User’s GuideIndex34952Aconnector pinouts, 308description, 304programming examples, 305simplified block diagram, 307terminal block, 309wirin

Index34980A User’s Guide 335D-sub pinouts34921A, 12934922A, 13434923A, 141, 14434924A, 14934925A, 156, 15934931A, 17034932A, 17534933A, 180, 18434937A

336 34980A User’s GuideIndexOodometer, 93, 94offset compensation, 38OPEN T/C, 32operating conditions, 29, 30, 116, 118overload, 18overload protection,

Index34980A User’s Guide 337Ttechnical support, iitemperature limits, 29temperature measurements, 31temperature sensor, 130temperature units, 31termin

Features and Functions 234980A User’s Guide 23Trigger DelayIn some applications, you want to allow the input to settle before taking a reading or for

24 34980A User’s Guide2 Features and FunctionsAutomatic Trigger DelaysIf you do not specify a trigger delay, the instrument selects a delay for you. T

Features and Functions 234980A User’s Guide 25Safety InterlockThe Safety Interlock feature prevents connections to the Analog Buses if no terminal bl

26 34980A User’s Guide2 Features and FunctionsUser-Defined Channel LabelsYou can assign user- defined labels to any channel, including Analog Bus chan

Features and Functions 234980A User’s Guide 27Front Panel Operation: Channel (Configure) > CHANNEL LABELTo define the channel label, press the arro

Additional Safety NoticesThe following general safety precautions must be observed during all phases of oper-ation of this instrument. Failure to comp

28 34980A User’s Guide2 Features and Functions2-Wire Versus 1-Wire ModeYou can configure the 34923A, 34925A, and 34933A modules for 2- wire (different

Features and Functions 234980A User’s Guide 29Analog Bus and Internal DMM ConsiderationsThis section provides important environmental and electrical c

30 34980A User’s Guide2 Features and FunctionsElectrical Operating ConditionsTra nsients The Analog Buses and the optional internal DMM are designed t

Features and Functions 234980A User’s Guide 31Temperature Measurement ConfigurationThis section contains information to help you configure the instrum

32 34980A User’s Guide2 Features and FunctionsThermocouple Measurements• The instrument supports the following thermocouple types: B, E, J, K, N, R, S

Features and Functions 234980A User’s Guide 33Front Panel Operation: To select the thermocouple function on the active channel, choose the following i

34 34980A User’s Guide2 Features and FunctionsRTD Measurements• The instrument supports RTDs with α = 0.00385 (DIN/IEC 751) using ITS- 90 software con

Features and Functions 234980A User’s Guide 35The following command sets the nominal resistance (R0) to 1000Ω on channel 1003.SENS:TEMP:TRAN:FRTD:RES

36 34980A User’s Guide2 Features and FunctionsVoltage Measurement ConfigurationThis section contains information to help you configure the instrument

Features and Functions 234980A User’s Guide 37AC Low Frequency FilterThe instrument uses three different ac filters which enable you to either optimiz

DECLARATION OF CONFORMITY According to ISO/IEC Guide 22 and CEN/CENELEC EN 45014 Template: A5971-5302-2, Rev. B.00 34980A-DoC-D DoC Revision D M

38 34980A User’s Guide2 Features and FunctionsResistance Measurement ConfigurationThis section contains information to help you configure the instrume

Features and Functions 234980A User’s Guide 39Current Measurement ConfigurationThis section contains information to help you configure the instrument

40 34980A User’s Guide2 Features and FunctionsFrequency Measurement ConfigurationThis section contains information to help you configure the instrumen

Features and Functions 234980A User’s Guide 41Mx+B ScalingThe scaling function allows you to apply a gain and offset to readings during a scan or whil

42 34980A User’s Guide2 Features and FunctionsFront Panel Operation:DMM or Channel (Configure) > SCALING > GAIN|OFFSET|UNITSTo define the label

Features and Functions 234980A User’s Guide 43ScanningThe instrument allows you to combine a DMM (either internal or external) with multiplexer channe

44 34980A User’s Guide2 Features and Functions• The Analog Bus relays are automatically opened and closed as required during the scan to connect to th

Features and Functions 234980A User’s Guide 45• At the end of the scan, the last channel that was scanned will be opened (as well as any Analog Bus re

46 34980A User’s Guide2 Features and Functions• To initiate a scan and store all readings in memory, press Scan (Measure). Each time you initiate a ne

Features and Functions 234980A User’s Guide 47Scan Trigger SourceYou can configure the event or action that controls the onset of each sweep through t

48 34980A User’s Guide2 Features and Functions• The CONFigure and MEASure? commands automatically set the scan interval to immediate (0 seconds) and

Features and Functions 234980A User’s Guide 49Remote Interface Operation: The following program segment configures the instrument for a manual scannin

50 34980A User’s Guide2 Features and FunctionsFront Panel Operation: Scan (Configure) > ALARMTo enable the Monitor function, select the desired cha

Features and Functions 234980A User’s Guide 51External ScanningIn this configuration, the instrument sweeps through the scan list once each time a low

52 34980A User’s Guide2 Features and FunctionsRemote Interface Operation: The following program segment configures the instrument for an external scan

Features and Functions 234980A User’s Guide 53Sweep CountThe sweep count sets the number of sweeps per trigger event during a scan (a sweep is one pas

54 34980A User’s Guide2 Features and FunctionsSample CountThe sample count sets the number of auto- triggered samples the internal DMM will take per c

Features and Functions 234980A User’s Guide 55• For scanning, the specified sample count sets the number of readings per channel (same for all channel

56 34980A User’s Guide2 Features and FunctionsChannel DelayYou can control the pacing of a scan sweep by inserting a delay between multiplexer channel

Features and Functions 234980A User’s Guide 57• To ensure you are getting the most accurate measurements possible, use care when setting the channel d

34980A User’s Guide vContents1 Introduction to the 34980AFront Panel at a Glance 2Rear Panel at a Glance 3Rear Panel Connector Pinouts 4External Trigg

58 34980A User’s Guide2 Features and FunctionsAC Voltage, AC Current (for all ranges):Frequency, Period:Digital Input, Totalize:Front Panel Operation:

Features and Functions 234980A User’s Guide 59Reading FormatDuring a scan, the instrument automatically adds a time stamp to all readings and stores t

60 34980A User’s Guide2 Features and FunctionsRemote Interface Operation: Use the following commands to select the reading format. FORMat:READing:ALAR

Features and Functions 234980A User’s Guide 61• Non- sequential scan lists are not stored as part of the instrument state by the *SAV command; in this

62 34980A User’s Guide2 Features and Functions• Readings acquired during a Monitor are not stored in memory (however, all readings from a scan in prog

Features and Functions 234980A User’s Guide 63Monitor ModeIn the Monitor mode, the instrument takes readings as often as it can on a single channel or

64 34980A User’s Guide2 Features and FunctionsFront Panel Operation: DMM or Channel (Measure)For channel monitoring, turn the knob to the desired chan

Features and Functions 234980A User’s Guide 65Scanning With External InstrumentsIf your application doesn’t require the built- in measurement capabili

66 34980A User’s Guide2 Features and Functions• For an externally- controlled scan, you must either remove the internal DMM from the 34980A or disable

Features and Functions 234980A User’s Guide 67• You can specify the number of times the instrument will sweep through the scan list. When the specifie

vi 34980A User’s GuideVoltage Measurement Configuration 36DC Input Resistance 36AC Low Frequency Filter 37Resistance Measurement Configuration 38Offse

68 34980A User’s Guide2 Features and FunctionsAlarm LimitsThe instrument has four alarms which you can configure to alert you when a reading exceeds s

Features and Functions 234980A User’s Guide 69• You can assign an alarm to any configured channel and multiple channels can be assigned to the same al

70 34980A User’s Guide2 Features and Functions• As shown below, alarms are logged in the alarm queue only when a reading crosses a limit, not while it

Features and Functions 234980A User’s Guide 71• The default values for the upper and lower alarm limits are “0”. The lower limit must always be less t

72 34980A User’s Guide2 Features and FunctionsViewing Stored Alarm DataIf an alarm occurs on a channel as it is being scanned, then that channel’s ala

Features and Functions 234980A User’s Guide 73Remote Interface Operation: The following command reads data from the alarm queue (one alarm event is re

74 34980A User’s Guide2 Features and FunctionsUsing the Alarm Output LinesFour TTL alarm outputs are available on the rear- panel Alarms connector. Yo

Features and Functions 234980A User’s Guide 75• You can control the slope of the pulse from the alarm outputs (the selected configuration is used for

76 34980A User’s Guide2 Features and FunctionsUsing Alarms With the Digital ModulesYou can configure the instrument to generate an alarm when a specif

Features and Functions 234980A User’s Guide 77Remote Interface Operation (Digital Input): To assign the alarm number to report any alarm conditions on

34980A User’s Guide viiSystem-Related Operations 87Firmware Revision 87Product Firmware Updates 88Instrument State Storage 88Error Conditions 89Self-T

78 34980A User’s Guide2 Features and FunctionsRemote Interface Operation (Totalizer): To assign the alarm number to report any alarm conditions on the

Features and Functions 234980A User’s Guide 79SequencesThis section gives information on defining and executing a sequence, which is a compiled series

80 34980A User’s Guide2 Features and FunctionsDefining a SequenceA sequence defines a series of SCPI commands with an associated name. When the sequen

Features and Functions 234980A User’s Guide 81• A sequence name can contain up to 30 characters. The first character must be a letter (A- Z), but the

82 34980A User’s Guide2 Features and FunctionsQuerying the Sequence DefinitionOnce you have defined a sequence, you can query the definition to review

Features and Functions 234980A User’s Guide 83Executing a SequenceAfter you have defined a valid sequence, you can execute it to process the specified

84 34980A User’s Guide2 Features and FunctionsRemote Interface Operation: The following command executes a sequence named “MYSEQ_1”, which closes seve

Features and Functions 234980A User’s Guide 85Remote Interface Operation: To assign the sequence to a specific alarm number, use the following command

86 34980A User’s Guide2 Features and FunctionsReading the List of Stored SequencesFrom the remote interface only, you can read the names of all sequen

Features and Functions 234980A User’s Guide 87System-Related OperationsThis section gives information on system- related topics such as instrument sta