Omron F3SJ-B Series User Manual page 93

 Operation check while the machine is stopped
The test rod is not deformed.
Use a test rod with an appropriate diameter for inspection.
The sensor can detect a test rod wherever it is in the detection zone. In other words, when a test rod
is inserted into the detection zone, the stable-state indicators (STB) turn off and the ON/OFF output-
state indicators turn red.
When the external test function is used:
The ON/OFF-state indicator turns ON in red when the test input line is set to open or short-circuited
to 1/2 Vs to Vs.
 Checking that hazardous parts stop while the machine operates
The hazardous parts stop immediately when a test rod is inserted into the detection zone at three
positions: "directly in front of the emitter", "directly in front of the receiver", and "between the emitter
and receiver". (Use the appropriate test rod.)
The hazardous parts remain stopped as long as the test rod is in the detection zone.
The hazardous parts stop when the power of the F3SJ-B is turned OFF.
The actual response time of the whole machine is equal to or less than the calculated value.
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F3SJ-B
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User's Manual