PSM1700 PsimetriQ user manual
5-2
commands that expect a reply are terminated with a
question mark.
PsimetriQ maintains an error status byte consistent with
the requirements of the IEEE488.2 protocol (called the
standard event status register) that can be read by the
mandatory command *ESR? (see section 5.1).
PsimetriQ also maintains a status byte consistent with the
requirements of the IEEE488.2 protocol, that can be read
either with the IEEE488 serial poll function or by the
mandatory command *STB? over RS232 or IEEE or LAN
(see section 5.2).
The IEEE address defaults to 23 and can be changed via
the COMMS menu.
The keyboard is disabled when the instrument is set to
“remote” using the IEEE or if the command
“KEYBOA,DISABL” is sent. Press HOME to return to “local”.
RS232 data format is: start bit, 8 data bits (no parity), 1
stop bit. Flow control is RTS/CTS (see section 5.2), baud
rate is selectable via the MONITOR menu.
A summary of the available commands is given in the
Appendix. Details of each command are given in the
communication command section of the manual.
Commands are executed in sequence except for two
special characters that are immediately obeyed:
Control T (20) – reset interface (device clear)
Control U (21) – warm restart
To maintain compatibility with some communication
systems, there is an optional “protocol 2” which requires a
space between the command and any arguments.
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