27
F3SJ-A
User’s Manual
Chapter
2
Ba
si
c Sys
te
m
System Configuration and Functions
E
External Test Function
This function forcibly stops the emission using an external signal. It can be used to verify that a safety
system should properly stop when F3SJ is interrupted.
To stop the emission, apply 9 to 24V to the emitter's test input line. The voltage must be applied for a
period 4 times that of Toff or longer.
Ton: Response time of safety output's OFF to ON, Toff: Response time of safety output's ON to OFF
Response time p.14
Operation of the F3SJ's indicators when external test function is performed
Test indicator blinks when voltage is applied to the test input.
Self-Test Function
The F3SJ performs the self-test when power is turned ON (within 2 second, or 2.2 seconds in case of
series connection) to check for errors. Also, it regularly performs the self-test (within the response
time) while operating.
If an error is found in the self-test, the F3SJ enters lockout state, keeps the safety outputs in the OFF
state, and indicates the error at the same time.
Error indication patterns and causes of errors p.8
How to reset lockout: See p.29 for basic system and p.46 for muting system
For information about lockout, see p.113
Test input
Safety output
L (Open)
H
ON
OFF
Toff x 4 or less
Ton x 2 or less
Subsequently performs periodic test
Power supply
ON
OFF
Self-test
ON
OFF
Within 2 s
(Within 2.2 s)
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