GW Instek PEL-3111 - Adjust Offset and Full Scale with Variable Resistor (PEL-3021 H; PEL-3041 H; PEL-3111 H)

EXTERNAL CONTROL
177
 The J1 connector is now ready for external
resistance control.
Adjust offset and full scale with variable resistor (PEL-3021H/
PEL-3041H/ PEL-3111H)
Variable Resistor
in rear panel
FS OS
VR1 VR2
CC/CR/CV/CP
Operation
Proportional
control
1. Connect 1kΩ between J1-1 and J1-3.
2. Turn VR2 with screwdriver to adjust the value
to 10% of the rating in each the operating mode.
3. Connect 10kΩ between J1-1 and J1-3.
4. Turn VR1 with screwdriver to adjust the value
to 100% of the rating in each the operating
mode.
5. Connect 1kΩ between J1-1 and J1-3.
6. Turn VR2 with screwdriver to adjust the value
to 10% of the rating in each the operating mode.
Note
Readjustment is needed when you use a different
operating mode, current range or voltage range.
Inverse control
1. Connect 9kΩ between J1-1 and J1-3.
2. Turn VR2 with screwdriver to adjust the value
to 10% of the rating in each the operating mode.
3. Connect 1kΩ between J1-1 and J1-3.
4. Turn VR1 with screwdriver to adjust the value
to 90% of the rating in each the operating mode.
5. Connect 9kΩ between J1-1 and J1-3.
6. Turn VR2 with screwdriver to adjust the value