Agilent Technologies 33120A User Manual

Using the Status Registers
This program teaches the following concepts:
 How to use the Status Registers to generate an interrupt if a SCPI
error occurs. The program sets up the Status Byte and Standard
Event register and interrupts the controller if an error is detected.
 How to service the interrupt if an error occurs and read the function
generator’s error queue using the SYST:ERR? command.
BASIC / GPIB (Program 4)
10 !
20 ! This program uses the status registers to generate an
30 ! interrupt if a SCPI error occurs. The function generator
40 ! is programmed to output an FM waveform.
50 !
60 CLEAR 7 ! Clear interface - send "device clear"
70 ASSIGN @Fgen TO 710 ! Assign I/O path to address 710
80 COM @Fgen ! Use same address in subprogram
90 INTEGER Hpib,Mask,Value,B ! Declare integer variables
100 OUTPUT @Fgen;"*RST" ! Reset function generator
110 !
120 ! Set up error checking
130 !
140 Hpib=7 ! GPIB select code is "7"
150 ON INTR Hpib CALL Err_msg ! Call subprogram if error occurs
160 Mask=2 ! Bit 1 is SRQ
170 ENABLE INTR Hpib;Mask ! Enable SRQ to interrupt program
180 !
190 OUTPUT @Fgen;"*CLS" ! Clear status registers (clear out old errors)
200 OUTPUT @Fgen;"*SRE 32" ! Enable "Standard Event" bit in Status Byte
210 ! to pull the IEEE-488 SRQ line
220 OUTPUT @Fgen;"*ESE 60" ! Enable error bits (2, 3, 4, or 5) to set
230 ! "Standard Event" bit in Status Byte
240 ! and wait for operation complete
6
Chapter 6 Application Programs
Using the Status Registers
261

Agilent Technologies 33120A Specifications

General

Brand	Agilent Technologies
Model	33120A
Category	Inverter
Language	English