Sorensen DCS Series 3kW Supplies Advanced Operation
4.3.3 Programming Output Current Limit
Programming Output Current Limit with a 0-5 Vdc Source
1. Remove the jumpers connecting pins 10 to 11 and 22 to 23 on connector J3.
2. Connect the external programming source between pins 10 (current limit programming
input/positive) and 12 (return).
Varying the programming voltage from 0 to 5 Vdc will cause the current limit to vary from 0 to
100% of the model rating. The output voltage is set locally by adjusting the front panel voltage
control.
Figure 4-8 Programming Output Current Limit with a 0-5 Vdc Source
Programming Output Current Limit with a 0-10 Vdc Source
1. Set jumper JMP2 to its A-B location.
2. Remove the jumpers connecting pins 10 to 11 and 22 to 23 on connector J3.
3. Connect the external current programming source between pins 10 (current limit
programming input/positive) and 12 (return).
Varying the programming voltage from 0 to 10 Vdc will cause the output current limit to vary
from 0 to 100% of the model rating. The output voltage is set locally by adjusting the front panel
voltage control.
Note: Resetting internal jumpers may require a recalibration of the programming circuit to
maintain programming accuracy. See Section 6.3 Calibrating for Programming
Accuracy.
Figure 4-9 Programming Output Current Limit with a 0-10 Vdc Source
Operation Manual 4-11
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