Agilent Technologies E1345A Manual do Utilizador descarregar pdf (Página 33)

34 Using the Relay Multiplexer Modules Chapter 3

Connecting Switchbox Channels to Tree Terminals for

Making Measurements

• Closing the AT Tree Switch connects any channel in Bank 0 (i.e.,

channels 00 to 07) to the AT Tree Switch Terminals and to the H, L,

and G terminals of the Analog Bus connector.

• Closing the BT Tree Switch connects any channel in Bank 1 (i.e.,

channels 08 to 15) to the BT Tree Switch Terminals and to the I+, I-,

and IG terminals of the Analog Bus connector.

• Use the Tree Switch Terminals to connect measuring devices like the

E1326 Digital Multimeter.

Example: Connect

Channels 02 and 09 to

Tree Terminals for

Voltage or 2-Wire Ohms

Measurements

Figure 3-2 shows how to connect channels 02 and 09 of a single module

switchbox to the AT Tree Switch Terminals and the Analog Bus connector

for voltage or 2-wire ohms measurements. Execute:

CLOS (@102,190,192)

102 closes channel 02,

190 closes the AT tree switch,

192 closes the AT2 tree switch.

OPEN (@102)

Opens channel 02.

CLOS (@109)

109 closes channel 09.

Figure 3-2. Closing Channels 02 and 09 for a Voltage Measurement

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Agilent Technologies E1345A Manual do Utilizador Página 33