AMETEK ReFlex - Manual (Page 150)

ReFlex Power™ AC Power Supplies
M380056-01 Rev K 4-65
4.6.16 LDF C
ALIBRATION FOR
V
OLTAGE
R
ANGE
L
OW
The following procedure calibrates the Line drop fault supervisory.
1. Ensure that no load is connected to the output.
2. Issue clear and reset commands:
*CLS
*RST
3. Set the voltage range of the power supply to low
SOUR:VOLT:RANGE 0
4. Turn the unit on
OUTP:STATE 1
5. Program the output voltage to count 17000
CAL:OUTP:VOLT:COUNTS 17000
6. Send the calibration command to start the internal calibration
CAL:OUTP:LDF:CALC
7. Turn the unit off
OUTP:STATE 0
8. Send the system error query command to make sure calibration was successful.
SYST:ERR?
9. If there is no error returned at the system error query command then save the
calibration result with the following command
CAL:UNLOCK “6867”
CAL:STORE
CAL:LOCK
10. Optional Commands:
Query the voltage calibration points: CAL:OUTP:LDF:GAIN ?
11. Reset the unit
*RST