ABB 216NG61A HESG441633R1 HESG216875/K Channel relay module

Control Lines And Signal Lines Between Master Control Unit And Amplifier For the definition of the speed reference, the master control unit normally provides an output of a digital/analogue converter. This output signal normally is measured against ground or against reference voltage. The input at the amplifier is a differential input with set value+ at 4d and set value- at 4b. 

The lines at these inputs 

have to be run to the control unit in the same cable. This cable has to be shielded, with connection of the shield to the servo amplifier and the control unit. Input+ of the TBF-R is connected to the set value output of the master control unit. Input- of the TBF-R is connected to the reference point for the set value output at the master control unit. The lines Iext., Int.off, Ready output, Enable and Pos.Stop/Neg.Stop, if used, have to be wired in a shielded cable as well. These lines are measured against ground, that means the connection requested in 0. between TBF and master control unit is sufficient.

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