Operating Manual EMGZ480
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20
Trouble Shooting
From the system recognised errors can be requested in the CAN-BUS Object 2100h.
Error
Cause
Corrective Action
Feedback value
is > 0 despite loose
material
Offset is wrongly
compensated
Re-do Offset Compensation
Filter cut–off
frequency is et too
high.
Correct cut-off frequency (ref „8.6
Configuring lowpass filter“)
Earth ground (PE) is
not connected
Check earth ground connection and
re-wire if necessary
Feedback is not stable,
although material
tension is not changing
Electrical noise
because of cross talk
on cables
Check shild connection on sensor
cable or bus cables. Use
recommended twisted pairs cables
(ref „7.4 Wiring diagrams“)
Feedback value doesn’t
correspond to actual
material tension
Gain value wrongly
programmed
Re-calibrate sensor and amplifier (ref.
to 8 “Calibration of Measuring
Amplifier”)
Limit value switch of
one channel is not
working
Limit value wrongly
programmed
Repeat setting of parameters (ref. to
9. “Parameter Settings” and „9.4
Description of Parameters“ page 24)