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Sq - srq check, Tr - trigger – Measurement Computing Micro488/p User Manual

Page 36

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3-18

09-27-02

Command Descriptions

SQ

SRQ CHECK

The system command SRQ CHECK inquires whether or not the SRQ line on the IEEE bus
is currently being asserted.

SYNTAX

SQ

RESPONSE

Y

SRQ is being asserted.

N

SRQ is not being asserted.

BUS STATES

None

EXAMPLES

PRINT #1, "SQ"

Issue SRQ CHECK
command.

INPUT#1,SRQSTAT

Receive SRQ status.

TR

TRIGGER

The TRIGGER command issues a Group Execute Trigger (GET) bus command to the
specified device. If no address is specified, then GET only affects those devices that are
already in the listen state as a result of a previous OUTPUT command.

SYNTAX

TR[;addr]

RESPONSE

None

BUS STATES

ATN, GET

unaddressed.

ATN, UNL,UNT, LAG, GET

addressed.

EXAMPLES

PRINT#1,"TR;16"

Issue Group Execute Trigger
to device 16.