1. Select the proper test piece, ordered separately.
For 30 mm resolution models: use the 30 mm (0.94 in ) diameter model STP-14.
2. Verify that the System is in run mode, the green Status indicator is on, and all Zone indicators are green.
3. Pass the specified test piece through the defined area in three paths: near the emitter, near the receiver, and midway
between the emitter and receiver.
1
2
4
5
3
1 = Receiver
2 = Emitter
3 = Defined area
4 = Specified test piece
5 = Location of the status indicators
4. During each pass, while the test piece is interrupting the defined area, at least one Zone indicator must be red. The
red Zone indicator must change with the position of the test piece within the defined area.
The Status indicator must turn red and remain red for as long as the test piece remains in the defined area. If not, the
installation has failed the trip test.
If all Zone indicators turn green or fail to follow the position of the test piece while it is within the defined area, the
installation has failed the trip test. Check for correct sensor orientation or reflective surfaces. Do not continue until the
situation is corrected.
When the test piece is removed from the defined area, the green Status indicator must turn on.
WARNING:
•
Trip test failure
•
Using a system that has failed a trip test can result in serious bodily injury or death. If the
trip test has failed, the system might not stop dangerous machine motion when a person or
object enters the sensing field.
•
Do not attempt to use the system if the system does not respond properly to the trip test.
5. If mirrors are used in the application: Test the defined area on each leg of the sensing path (for example, emitter to
mirror, between mirror and receiver).
Receiver
Test Piece
Mirror
Emitter
S4B Safety Light Curtain
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