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© Panasonic Industrial Devices SUNX Co., Ltd. 2017
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)
Setting for interlock function
In case of selecting PNP output: connect to +V
In case of selecting NPN output: connect to 0V
Manual reset
Open
Auto reset
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.
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>
The reset switch shall be placed in area where all over the dangerous zone shall
be comprehend and out side of the dangerous zone.
Auto-reset: The control output (OSSD 1 / 2) is turned ON automatically when this device re-
ceives the light.
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)
It is possible to change the conditions for interlocking by using the handy controller (
SFB-HC
) (optional).
Open (OFF)
Short circuit
(ON)
Light
received
Light
blocked
ON
OFF
Emission halt
input / Reset
input
Light received
status
Control output
(OSSD 1 / 2)
14ms or less
20ms or more
150ms or less
<Reference>