SF4C Safety light curtain
2.6 Wiring
37
NOTE
• For wiring the safety input 1 wire (gray) and the safety input 2 wire
(gray/black), see " Inactive External Device Monitor Function (Control
Category 4)" on page
49.
• The large multipurpose indicato
r lights up in red when connecting the large
multi-purpose indicator input 1 wire (gray) and +V, and it lights up in green
when connecting the large multi-purpose indicator input 2 wire (gray/black)
and +V.
Symbols in the wiring diagram
Switch S1
• Test input/Reset input
When manual reset is activated:
• Vs to Vs - 3.5V (sink current: 5mA or less): OFF
• Open: ON
When auto-reset is activated:
• Vs to Vs - 3.5V (sink current: 5mA or less): ON
• Open: OFF
Switch S2
• Interlock setting input,
Override input, Large
multi-purpose indicator
input 1/2, Muting input
1/2, External device
monitor input
• Vs to Vs - 3.5 V (sink current: 5mA or less): ON
• Open: OFF
K1, K2 External device (forcibly guided relay or magnetic contactor)
Resistance A
3kΩ
Resistance B
6.8kΩ
Resistance C
470Ω
Resistance D
47kΩ
Condenser E
Condenser F
0.47μF
0.1μF
Vs = Applied supply voltage
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CH - 5453 Busslingen
Tel. +41 (0)56 222 38 18
Fax +41 (0)56 222 10 12
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