Keyence SL-V Series User Manual Page 32

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2-4 Interlock Function
2-8
Functions and Features
2
SL-V-M-NO2-E
This mode can be used for the machine that nobody can go into or approach the hazardous area with
only passing through the protection zone, or can be used if the safety-related part of a control system
other than the SL-V, such as safety relay unit, can ensure the safety with other means.
Manual reset mode: Interlock function works. The SL-V starts operation if the SL-V receives the reset
operation.
The OSSD keeps the OFF-state even if the object detected by the SL-V is removed from the detection
zone. (Interlock condition).
It is necessary to perform the reset operation when the SL-V detects no interruption in the detection
zone, in order that the machine starts operation. Because of reset operation, the OSSD goes to the ON-
state, and then interlock condition is terminated.
This section explains the settings for the combination of automatic start and automatic reset mode.
Configuration
Wiring method (Pink wire on the transmitter)
SL-V can be set as the combination of automatic start and automatic reset mode through the wiring in
the following manner. If this function is set through the SL-VH1S, it cannot be set through the wiring.
Software method (SL-VH1S)
Refer to the "SL-VH1S User’s Manual".
Wiring
If the power is turned on with an open circuit on the pink wire (interlock mode selection input), the SL-V
goes into the I/O monitoring mode.
See "I/O Monitoring Function" (page 2-50).
If the power is turned on with an open circuit on the yellow wire (reset input) and the type of cable is
incorrect, the SL-V goes to the lockout condition because of "interlock error".
See "Troubleshooting" (page A-2).
When the interlock is configured through the SL-VH1S, the pink wire on the transmitter must be insu-
lated from the external (keep open-circuit) because it is not needed if it is not used for other functions.
Automatic start / Automatic reset mode
0V
+24V
0V
+24V
Transmitter
Main
circuit
Receiver
Main
circuit
Blue
Brown
Yellow (reset input)
Blue
Brown
Pink (interlock mode selection input)
0V
+24V
0V
+24V
Transmitter
Main
circuit
Receiver
Main
circuit
Blue
Brown
Yellow (reset input)
Blue
Brown
Pink (interlock mode selection input)
When using a PNP output type cable When using an NPN output type cable
NOTE
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