YOKOGAWA vigilantplant ProSafe-RS - Contact Output Wiring and Ground Wiring

8.3.2 Contact Output Wiring and Ground Wiring
This section describes contact output wiring and ground wiring.
n
Contact Output W
iring
If an inductive load is connected to the contact output, a spark quenching circuit (AC: with a
RC series; DC: with a diode) needs to be put in parallel with the inductive load for protection.
Contact
Inductive Load
(Such as Electric
Magnetic Valve)
DC Power
Power
Contact
Power
Inductive
Load
AC Power
External Circuits System
External Circuits System
R C Diode
Figure 8.3.2-1 Spark Quenching Circuit
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Ground W
iring
CAUTION
Ground the grounding terminal to the protective grounding system.
SEE
ALSO
For more information about power cable wiring and grounding, refer to:
ProSafe-RS Installation Guidance (TI 32S01J10-01E)
<8.3 Cable Connection > 8-10
IM 32Q06C10-31E 4th Edition : Jan.30,2015-00