KEYENCE GL-RHG Series - Manual (Page 77)

4-7 GL-RHG-M-NO4-E
Wirin
g
4
4-5
Examples of Wiring
Symbols
R1, R2 : External device (Safety PLC, Safety relay unit, etc)
K1, K2 : External device (Force guided relay, magnet contactor, etc)
K3 : Solid state contactor *1
S1 : Switch used for reset input
S2 : Switch used for wait input
*1
S3 : Switch used for override input
L1 : Muting lamp (Incandescent lamp or LED lamp)
P1, P2 : Muting device (Self-contained photoelectric sensors, etc.)
M : 3-phase motor
PLC : For NON SAFETY-RELATED system control use
*1
*1 These are NON SAFETY-RELATED components
Reference • Grey wire (FE) is electrically-connected to the light curtain body case.
• The light curtain body case and internal power signal lines are coupled by capacitor (3 kV, 100 pF).
NOTICE
If any input or output wires remain open (completely disconnected), they must be capped.