Option 1
In this configuration, command and feedback signals are voltages of opposite polarity and may require
ratio balancing.
If the two signals are of equal amplitude, adjust ratio pot to center position. (Approximately 9 turns from
full CW)
If the two signals are of unequal amplitude, adjust ratio pot from center position CW to increase feedback
ratio or CCW to increase command ratio.
Switch S1-2 can be set to either (A) or (B). Refer to switch description.
Option 2
In this configuration, command and feedback signals are voltages of the same polarity.
For this configuration the ratio pot should be adjusted fully CCW.
When using this configuration, care must be taken that switches S1-1 and S1-2 are not set to the same
position. In this example, the command is not inverted, so switch S1-2 is set to (B). The feedback signal is
inverted so switch S1-1 is set to (A).
Installation Guide
Servo Amplifier
Control Input Options
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Danfoss | August 2023
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