Chapter 3 Functions; Self-Diagnosis Function; Interlock Function - Panasonic SF4B-F31G(V2) Instruction Manual

Chapter 3 Functions

3-1 Self-diagnosis Function

This device incorporates the self-diagnosis function.
The self-diagnosis is carried out when the power is turned ON and while the operation peri-
odically.
In case an abnormality is detected during self-diagnosis, the device is put in the lockout state at
that instant, and the control output (OSSD 1 / 2) is fixed at the OFF state. Refer to "Chapter 5
Troubleshooting" and remove the cause of the abnormality.

3-2 Interlock Function

The selection of manual reset / auto reset is available by applying the interlock input wiring.
The interlock becomes available by selecting manual reset.
Interlock setting input wire (pale purple)
In case of selecting PNP output: connect to +V
In case of selecting NPN output: connect to 0V
Manual reset: The control output (OSSD 1 / 2) is not turned ON automatically even though this
device is received the light. When this device is reset in light received state [open
the emission halt input / reset input → short-circuit the device to 0V or +V →
open], the control output (OSSD 1 / 2) is turned ON.
<Timing chart>
Emission halt
Open (OFF)
input / Reset
Short circuit
input
(ON)
Light
Light received
received
status
Light
blocked
ON
Control output
(OSSD 1 / 2)
OFF
Auto-reset: The control output (OSSD 1 / 2) is turned ON automatically when this device re-
ceives the light.
<Reference>
It is possible to change the conditions for interlocking by using the handy controller (SFB-HC) (optional).
© Panasonic Industrial Devices SUNX Co., Ltd. 2017
Open
In case of using the interlock function, be sure there exists no operator inside of
the dangerous area. it causes death or serious injury without the confirmation.
The reset switch shall be placed in area where all over the dangerous zone shall
be comprehend and out side of the dangerous zone.
If this device is used with the auto-reset, avoid an auto-restart after the safety out-
put stop of the system by using a safety relay unit, etc. (EN 60204-1)
Setting for interlock function
Manual reset
Auto reset
20ms or more
14ms or less 150ms or less
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