Lakeshore Learning Materials 623 用户手册

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual 

 

 

Table B-2 Additional MPS Mainframe Control Bus Remote Commands 

 

– ADR 

Mainframe address. Multidrop address 0-32 available. Commands 

sent must have the address as the first character. Query response 

will be “00” thru “32.” 

LOC 

LOCK 

UNLOCK 

REM 

CMD 

Mainframe Programming Status. Query response will be the same 

as what is programmed. There is no real change in Mainframe 

status. MPS equivalent commands are:

 

LOC UNLOCK 

 MODE0  MODE0 

LOCK REM 

MODE2 

MODE1 

– 

 

 

ERRC 

Mainframe Operational Status. Query response is status byte 

register contents, comma, standard event status register contents 

(equivalent to *STB? and *ESR? queries). Form of the response is 

XXX,XXX where XXX ranges from 000 to 255. *SRE and *ESE are 

forced to 255 to get a status response. 

– 

S1 

Mainframe Error Status. Query response is equivalent to ERR?. 

WA 

RA 

Output Current Setting. MPS equivalent commands are:

 

WA ISET 

ISET? 

RA 

PO 

OP 

Output Current Polarity Setting and Status. 

– 

AD1, AD8  Output Current Measurement. MPS equivalent command: IOUT? 

– 

AD2 

Output Voltage Measurement. MPS equivalent command: VOUT? 

– 

AD3 – AD7  Internal Control Voltages. Query response forced to 000 until 

required responses are defined. 

BAUD 

– 

Communications Baud Rate (Not Supported). Fixed at 9600. 

N 

– 

Turn Mainframe Power ON (Not Supported). 

F 

– 

Turn Mainframe Power OFF (Not Supported). 

RS 

– 

Reset Mainframe Faults. (Only action taken is I Step Reset.)