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Using GPIB, RS-232
D-6 GB1400 User Manual
GPIB Common Commands
The following commands are provided to use with GPIB status reporting, as
defined by IEEE 488.2 for service request:
*STB? *SRE *SRE? *ESR? *ESE *ESE? *CLS
Additional SRQ GPIB Commands (Rx only)
The following commands are provided to use with the Test Status SRQ feature:
TSE TSE? TSR?
IEEE-488.2 Programming Manual Requirements
Certain programming requirements are specified for GPIB interfaces by the
American National Standard Institute (ANSI) document, ANSI/IEEE Std. 488.2-
1987, which are detailed in this section.
Power-on settings
The GB1400 will restore the device settings to their same values from when it
was last powered off. No remote commands affect this. The only exception to
this is when the non-volatile RAM becomes corrupted (which should never
happen during normal operation). RAM corruption, if it occurs, will be displayed
on the unit’s LCD display. When this happens, the GB1400 will revert to its
factory-default settings.
Message Exchange
The message exchange options are as follows:
• The input buffer is command line oriented. There is a new input buffer for
each command line or program message. The maximum input buffer length is
80 characters.
• The only remote commands that return more than one response message unit
are: *lrn?; sta?; rdm?; rfm?; all?
• All queries immediately generate their own response messages when parsed.
No queries wait until the responses are read for them to be generated.
• No commands are coupled.