Lakeshore Learning Materials 642 - Manual (Page 82)

Lake Shore Model 642 Electromagnet Power Supply User’s Manual
5-30 Computer Interface Operation
*ESE?
Standard Event Status Enable Register Query
Input:
*ESE?[term]
Returned: weighting>[term]
Format: nnn (Refer to command for description)
*ESR?
Standard Event Status Register Query
Input:
*ESR?[term]
Returned: weighting>
Format: nnn
Remarks:
Bits in this register correspond to various system events and latch when the event occurs. When an
event bit is set, subsequent events corresponding to that bit are ignored. Set bits remain latched until
the register is reset by this query or a *CLS command. Refer to Paragraph 5.1.4.2.1.
*IDN?
Identification Query
Input: *IDN?[term]
Returned: ,,,
version>[term]
Format: aaaa,aaaaaaaa,aaaaaaa,n.n/n.n
Manufacturer ID
Instrument model number
Serial number
Instrument firmware version, main firmware/DAC firmware.
Example: LSCI,MODEL642,1234567,1.0/1.0
*OPC Operation Complete Command
Input:
*OPC[term]
Remarks: Used in conjunction with bit 0 (OPC of the Standard Event Status Register. If sent as the last command
in a command sequence, bit 0 will be set when the instrument completes the operation that was
initiated by the command sequence. Refer to Paragraph 5.1.4.4.6 for more information.
*OPC? Operation Complete Query
Input:
*OPC?[term]
Returned: 1[term]
Remarks: Has no interaction with bit 0 (OPC) of the Standard Event Status Register. If sent at the end of a
command sequence, the bus will be held until the instrument completes the operation that was initiated
by the command sequence. Once the sequence is complete a 1 will be placed in the output buffer.
Refer to Paragraph 5.1.4.4.6 for more information.
*RST
Reset Instrument Command
Input: *RST[term]
Remarks:
Sets controller parameters to power-up settings. Use the DFLT command to set factory defaults.