PFSA140 3BSE006503R1 ABB Imported electrical products of CPU processor module

Description

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Faults in the mechanical installation usually manifest
themselves as an unstable zero point or incorrect
sensitivity.
If a fault is associated with a process parameter, such
as the temperature, or can be linked with a particular
operation, the fault is likely to emanate from the
mechanical part of the installation.
Load cells Calibration data for a load cell do not change
gradually. A load cell, depending on its size and type,
can withstand up to five times(1) the nominal load in
the measuring direction. An event in the process line,
such as web breakage, may cause an overloading
large enough to alter load cell data. Depending on the
amount of overload, it may be sufficient to zero set.
(1) Read more about the overload capacity for your load cell type in Appendix B, C, D, E, F or G.
Cabling Problems such as malfunctions or unstable zero point
may arise from faulty cables or wiring.
Proximity to noisy cables may cause interference
problems.
Incorrect installation, such as cable cores connected
asymmetrically or screens earthed at both ends
instead of only at one end, may show up as an
unstable zero point.
If the polarity of load cell signals is not correct,
the cabling has to be checked.
Tension Electronics Intermittent loss of a function is usually due to a fault
in the tension electronics.
Instability problems seldom originate from the tension
electronics.
Faults in devices connected to the tension electronics
may affect its operation.

An ERROR is something that causes the electronics to function incorrectly.
A WARNING is something that might affect the accuracy of the measurement.
When a warning or an error occurs, a warning or an error message is displayed on the
Operator Panel and the “Status” indication turns from green to red.
When is pressed the message disappears from the display.
If the problem that activated the warning or error message has disappeared the
“Status” indication turns to green.
If the error or warning remains the “Status” indication is red. Use the to step to the last
operator menu, where you can read the error or warning message.
6.6.1 Error Messages
The following errors can be detected:
• Flash (memory) error
• EEPROM (memory) error
• Supply error
• Load cell excitation error
See Section 6.8 Warnings and Errors Detected by the Tension Electronics.
6.6.2 Warning Messages
The following warnings can be detected:
• Profibus communication problem
• Synchronization problem
See Section 6.8 Warnings and Errors Detected by the Tension Electronics.