R&S
®
CMW 500 Command Reference
Common Commands
Operating Manual 1202.3986.32 – 03 116
Command Parameters/Re
marks
Short Description
OPTion
identification
query
query only options installed. The response consists of arbitrary ASCII response
data according to IEEE 488.2. The options are returned at fixed
positions in a comma-separated string. A zero is returned for options
that are not installed.
*PRE – Parallel
poll Register
Enable
0...255 Sets parallel poll enable register to the value indicated. Query *PRE?
returns the contents of the parallel poll enable register in decimal form.
*PSC – Power
on Status Clear
0 | 1 Determines whether the contents of the ENABle registers is
maintained or reset when the instrument is switched on. *PSC = 0
causes the contents of the status registers to be maintained. Thus a
service request can be triggered on switching on in the case of a
corresponding configuration of status registers ESE and SRE. *PSC
=0 resets the registers. Query *PSC? reads out the contents of the
power-on-status-clear flag. The response can be 0 or 1.
*RCL – ReCaLl 0 to 99
no query, not
IEEE 488.2-
confirmed
Recalls a previously stored device state from a file with the specified
number (see also *SAV and section Save/Recall Dialog in chapter
"Basic Instrument Funtions").
*RST – ReSeT –
no query
Sets the instrument parameters to values for good remote operation.
The command corresponds to the Reset button in the Reset dialog.
*SAV – SAVe 0 to 99
no query, not
IEEE 488.2-
confirmed
Stores the current device state to a file with the specified number (see
also *RCL and section Save/Recall Dialog in chapter "Basic Instrument
Funtions").
*SRE – Service
Request Enable
0...255 Sets the service request enable register to the value indicated. Bit 6
(MSS mask bit) remains 0. This command determines under which
conditions a service request is triggered. The query *SRE? returns the
contents of the service request enable register in decimal form. Bit 6 is
always 0.
*STB? – STatus
Byte query
–
query only
Reads the contents of the status byte in decimal form.
*TRG –
TRiGger
–
no query
*TST? – self
TeST query
–
query only
*WAI – WAIt to
continue
–
no query
Prevents servicing of the subsequent commands until all preceding
commands have been executed and all signals have settled (see also
command synchronization and *OPC).
Common commands
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