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Visualization
February 2023
Table 6-2: Meaning and possible reasons for fault functions
Warning / Fault
Gap warning
Sensor error
Analog error 1
Analog error 2
Analog error 3
Pulse error pulse wheel dynamic
Advanced pulse error pulse wheel
static
Advanced pulse error gear wheel
Input pulse error
ADC error
Current output error
Profibus error
Error trip relays
Group Temperature
In three steps (temperature notification 55°C, temperature warning 65°C, and high
temperature alarm), the condition of the internal temperature supervision is indicated
here. When reaching high temperature, Channel OK of the monitor is switched off.
Group Feedback
In this group the feedbacks of several functions are listed.
meaning.
130
Meaning
The sensor voltage has exceeded the
upper gap limit or has fallen below the
lower gap limit.
Sensor voltage has exceeded sensor
voltage limit. Channel OK is switched
off.
The monitor just being in
communication with the computer
has indicated an analog error. Channel
OK is switched off.
The next monitor in clockwise
direction indicates an analog error.
The second monitor in clockwise
direction indicates an analog error.
Pulse error at trigger wheel.
ChannelOK is switched off.
Same signal level on all three channels.
Channel OK is switched off.
Pulse error at gear wheel. Channel OK
is switched off.
Missing pulses in TTL signal. Channel
OK is switched off.
Error in analog - digital - converter.
Channel OK is switched off.
Current output error
Problem with PROFIBUS -
communication
Problem with trip relay detected.
Channel OK is switched off.
Operating Manual
MHM-97442
Reason
Distance trigger wheel sensor has
changed:
•
Radial clearance has risen.
•
Sensor holder has come loose.
•
Distance trigger wheel – sensor
too small.
•
Sensor cable broken.
•
Sensor fault.
•
Trigger threshold does not suit to
sensor signal.
•
Parameter Maximum speed
different.
Phase between signals has changed:
•
Trigger thresholds misadjusted.
•
Radial arrangement of sensors has
changed (sensor holder has
become loose).
Missing signal pulses.
Hardware fault.
Hardware fault.
Hardware fault.
•
Error in configuration.
•
Hardware fault.
Table 6-3
describes their
MHM-97442, Rev. 2.06
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