The digital and analog inputs and outputs must be connected separately to the adjustable frequency drive common inputs (terminal 20, 55, 39) to avoid
ground currents from both groups to affect other groups. For example, switching on the digital input may disturb the analog input signal.
Input polarity of control terminals
NOTE!
Control cables must be shielded/armored.
3 How to Install VLT AQUA High Power Instruction Manual
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MG.20.P3.22 - VLT
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