Lakeshore 642, User Manual, Page: 114 / 122

Lake Shore Model 642 Electromagnet Power Supply User’s Manual
7-22 Service
CALG?
Gain Calibration Constant Query
Input: CALG? <type>[term]
Format:
nn
<type> 0 – 10.
Returned:
<value>[term]
Format:
±nnnnnnn (Refer to command for description)
CALSAVE
Calibration Save Command
Input:
CALSAVE[term]
Remarks:
Saves all CALZ and CALG calibration constants in non-volatile memory.
CALZ
Zero Offset Calibration Constant Command
Input: CALZ <type>, <value>[term]
Format:
nn, ±nnnnnnn
<type> Specifies the item to calibrate. Valid entries are:
0 = Output I Reading
1 = Bias A Reading *
2 = Bias B Reading *
3 = Gnd Diff Reading *
4 = Out Con Reading *
5 = Output V Reading
6 = Boost V Reading*
7 = Ext Prog Input Reading
8 = Temp Reading*
9 = Out Stg V Reading *
10 = Actual Output Current
<value> Zero offset calibration constant value.
Remarks:
Items marked with a * are for internal diagnostic use only and should always be set
to a value of 0 (default).
CALZ?
Zero Offset Calibration Constant Query
Input:
CALZ? <type>[term]
Format:
nn
<type> 0 – 10.
Returned:
<value>[term]
Format:
±nnnnnnn (Refer to command for description)