Alpha 6000 - Control Circuit Connection; Function of Control Circuit Terminals

Chapter 2 Installation and Wiring
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2.5 Control Circuit Connection
2.5.1 Function of Control Circuit Terminals
Fig. 2-11 S2R4GB~S2R75GB Arrangement of Control Circuit Terminals
Fig. 2-12 S21R5GB~3004GB/35R5PB Arrangement of Control Circuit Terminals
Fig. 2-13 35R5GB/37R5PB~3500GB Arrangement of Control Circuit Terminals
In order to reduce interference and attenuation of control signal, the length of control
cables should be limited in 50m and away from power cables for more than 30cm. Avoid
control wire and power wire being parallel. Try to use STP (Shielded Twisted Pair) to
connect analog input and output signal.