Operation Manual RTM MP Plus
06.03.2019
22
7
Trouble Shooting
Error
Cause
Corrective action
Relay output “Radio
lost”
Radio link to
EMGZ482R.MP is
interrupted.
Metallic objects
between
transmitter and
receiver cause
radio interferences
Check power supply to
EMGZ482T.PLUS.MP.24VDC and
EMGZ443MP.T
Remove metallic objects from
the radio path.
Feedback value doesn’t
correspond to the
effective material
tension
Sheave weight
influences the
measurement
Perform Offset compensation
(see chapter 5.3)
Periodic oscillation on
wire tension reading
Sheave weight
influences the
measurement
or
Alignment of red
point is incorrect
Perform Offset compensation
(see chapter 5.3) or
See chapter 4.2 and 4.3. Align
red point correspondingly and re-
calibrate the system (chapters
5.4 and 5.5).
Feedback value doesn’t
correspond to the
effective material
tension
Alignment of red
point is incorrect
See chapter 4.2 and 4.3. Align
red point correspondingly and re-
calibrate the system (chapters
5.4 and 5.5).
Very low tension values
on PLC not
corresponding to the
effective material
tension
Gain badly
calculated
or
Wrongly calibrated
Re-calibrate the system
(chapters 5.4 and 5.5) and write
correct gain factor in PLC
