FAULT DIAGNOSIS 8
8022965-17I6/2020-03-19|SICK
Subject to change without notice
ORIGINAL OPERATING INSTRUCTIONS| VMS4200/5200 (Multicontroller)
8.2.2 Checking the incremental encoder
If the incremental encoder has been correctly connected via the X4 INPUT A and X5
INPUT B terminal blocks, LEDs 5 and 6 should flash when the conveyor belt is turning.
Fig. 89: Checking incremental signals on the SIM2000
Fault indication
LEDs are not flashing.
Fault cause Possible solution to the problem
There is no/insufficient contact
between the measuring wheel
and the conveyor belt.
Make sure that there is good contact between
the measuring wheel and the conveyor belt
on-site.
▸
If the measuring wheel shows signs of wear,
replace it.
Signal ground not activated.
Set the S2 signal ground switch to GND.
Wire is not correctly attached
in the terminal block.
Check that the wires are attached correctly.
Encoder is defective.
Replace the device.
Tab. 26: Checking incremental signals on the SIM2000
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