Daily Testing With The Test Rod - Siemens SIMATIC FS400 Anleitung

10.3

Daily testing with the test rod

SIMATIC FS400 3RG7845 are self-monitoring light curtains and light grids.
Nevertheless it is very important to check the protective field for its effectiveness daily
to be sure that the protection also stays effective at every point after a parameter or
tool change.
WARNING
Never use your fingers, hand or arm for checking the system!
➢ When selecting the test rod, use the nameplate of the receiver which shows the
resolution.
➢ If for Receiver Extended the internal start/restart interlock function is selected and
the AOPD is released, LED2 lights up green. When the test rod is inserted, LED1
switches to red. During the test procedure, the green LED2 and the yellow LED4
must not light up at any point.
a = Beginning of test
Fig. 10.3-1: Testing the protective field with the test rod
➢ If the AOPD is being operated without the internal start/restart interlock, it is
sufficient to watch LED1 and LDE2 on the receiver during the testing procedure.
When the test rod is inserted into the protective field, this LED1 must switch to "red"
and LED2 must not switch back to "green" at any point during the test procedure.
WARNING
If the test does not yield the desired result, the cause could be a protective field height
that is too low or reflections from reflective metals or tools brought into the area. In this
case the installation of the light curtain must be checked by a specialist. If the cause
cannot be clearly defined and remedied, the machine or system may not be used!
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a