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Remote Commands
Remote Command Listing
5
5-7
*ESR?
Sequential OverlappedIEEE-488 RS-232
x x xx
(Event Status Register query) Returns the contents of the Event Status Register
(ESR) and clears the register. (See Event Status Register (ESR)” in Chapter 4.)
Response: <value> (decimal equivalent of the ESR byte, 0 to 255)
Example: *ESR? returns 189
Returns decimal 189 (binary 00111101) when bits 5 (CME), 4 (EXE), 3 (DDE),
2 (QYE) and 0 (OPC) are enabled.
FAULT?
Sequential OverlappedIEEE-488 RS-232
x x xx
Returns the latest error code from the error queue. If the queue is empty, no errors
have occurred, it returns 0. The command can be used when the previous
command did not do what it was intended to do.
For example, if a value for current output above 100 mA is entered, the FAULT?
command would return error code 105, entry is above upper limit for the selected
output range.
FUNC?
Sequential OverlappedIEEE-488 RS-232
x x xx
(Function query) Returns the present output, measurement, or calibration function.
See the response below for output and measurement modes.
Responses: DCV (dc volts function)
DCI (dc current function)
RTD_OUT (source temperature with an RTD function)
RTD_IN (read temperature with an RTD function)
TC_OUT (source temperature with a thermocouple function)
TC_IN (read temperature with a thermocouple function)
PRESSURE (read pressure)
Example: FUNC? returns DCV
Returns DCV when the Calibrator output function dc volts.
*IDN?
Sequential OverlappedIEEE-488 RS-232
x x xx
(Identification query) Returns instrument model number, serial number, and
firmware revision levels for the main, encoder, and inguard CPUs.
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