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Alarm Panel
This interface screen shows information about the status
of the PR90 encoder's alarms and their historical register.
It updates every time verification is carried out by clicking
on the programming screen button
Encoder in perfect working order
Overload, low power, optical failure, communications failure and
humidity alert
Status
Optical Error
Any malfunction in the OptoAsic illumination due to dirt
or breakage of an optical element.
- Coded disk breakage
- Dirt on the coded disk or photo sensors
- IR LED spent or fault
- Asic fault
Solution: Hohner Technical Service
Driver Error
Alerts of any overload of the differential output circuits.
- Short circuit or overload that can damage the Driver power circuit.
- Fault in the Driver power circuitry.
Solution: Hohner Technical Service
1
2
COM Error
Power Error
3
During Power-Off programming an indication may register for the panel, due to the
verification of the database. It doesn't mean a wrong running.
This log can be deleted by clicking on the programming screen button
Alerts of any error that the uController detects in internal communications.
- Electromagnetic Discharges (see section "Protections", p. 6). Can cause a
communication error, which automatically resets and normalizes.
- Damage to any of the components, circuit board, fault in the ASIC or uController.
Solution: Hohner Technical Service
Alerts of any drop in voltage or low voltage in the power circuitry.
- Constant drop in supply voltage below working limits or programmed TTL/HTL
output.
Solution: Once normal voltage is restored the PR90 regains normal functionality
USER MANUAL
PR90 / PR90H
Program
18
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