Agilent Technologies E1300B Especificações descarregar pdf (Página 44)

Program Example

The following program example sends a SCPI command and returns the data into a character string.

#include < stdio.h>

#include < string.h>

#include < cfunc.h> /* This file is from the GPIB Command Library Disk * /

#define ADDR 70900L /* Defines the GPIB address * /

/****************************************************************/

void main(void)

{

char * cmd = “ SYSTem:ERRor?” , /* SCPI command * /

rd_msg[257];

int length = 256;

/* Send SCPI command * /

IOOUTPUTS(ADDR, cmd, strlen(cmd));

/* Read returned data * /

IOENTERS(ADDR, rd_msg, &length);

/* Print returned data * /

printf(“ \n%s” ,rd_msg);

}

2-12 Sending SCPI Commands

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 ... 77 78

*E1300-90007* 1
WARNINGS 3
Printing History 3
Safety Symbols 3
Declaration of Conformity 4
Contents 5
Warnings and Cautions 7
Installing the System 9
Installation Steps 10
Installing the System 1-3 11
1-4 Installing the System 12
12
Secure mainf rame to rack 13
Attach rack mount hardware 13
Single Module Instruments 14
1-6 Installing the System 14
Logical Address = 25 15
Logical Address = 26 15
Logical Address = 24 15
Secondary Address = 03 15
Logical Address = 112 16
Secondary Address = 14 16
Logical Address = 113 16
Logical Address = 114 16
1-10 Installing the System 18
1-12 Installing the System 20
1-14 Installing the System 22
Scanning Multimeter: 23
1-16 Installing the System 24
Step 9: Apply AC Power 26
1-20 Installing the System 28
Step 12: Verify Operation 29
Checking for System Errors 31
Where to go Next 32
Sending SCPI Commands 33
What’s Needed 34
How to Run a Program 34
Open Communication Path 35
Receiving Data 35
Sending SCPI Commands 2-3 35
Program Example 36
Sending SCPI Commands 2-7 39
Continued on Next Page 40
2-8 Sending SCPI Commands 40
Sending SCPI Commands 2-9 41
Supported C Programs 42
Executing a Program 42
Compiling a Program 43
Using BASIC/IBASIC 45
Using a Terminal 47
Sending the Commands 48
2-16 Sending SCPI Commands 48
In Case Of Difficulty 49
Start-Up Errors and Messages 50
System Errors and Messages 51
Error Types 52
System Error Message Listing 52
In Case Of Difficulty A-5 53
A-6 In Case Of Difficulty 54
Appendix B 55
RS-232 Cable Information 55
GPIB Cables 55
VXI(9pin) 9pin 25pin 55
Pow er Cords 56
Replacement Fuses 56
Australia 56
Debugging VXI SCPI Programs 61
Program Message Terminator 63
RN13_RMB Program 67
Using other Program Languages 67
Using the Program 68
Program Description 68
Program Theory 69
Preventing Hang-Ups 70
Changing the Program to BASIC 71

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