Rosemount OCX 8800, Инструкция по эксплуатации

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Instruction Manual
IM-106-880, Rev 2.1
April 2017
OCX 8800
7-9
Alerts Alarms
AMS
Tab What does the
alert indicate?
Recommended
Action Description
NV Memory Transducer FF/ The non-volatile At startup, wait 2 This alarm will generally occur during a startup
Failure Block: Device parameter minutes with power condition. Rarely, the device could be powered
EEPROM Alerts storage on the applied and then down while a parameter is being stored to the
Corrupt CPU board has cycle power again or non-volatile memory. The parameter will then be
become reset device. tagged as bad on the next power on and the
Resource Block: unreliable. memory contents will be written with default
1) Manufacturing parameters. Calibration data may be lost and the
2) Block Integrity unit should be recalibrated. If the unit does not
Error recover automatically, the memory may be faulty
3) NV Integrity and the electronics stack should be replaced.
Error Refer to Section 8: Troubleshooting for details.
4) ROM Integrity
Error
NV Writes Resource Block: FF/ A high number of writes has been detected to
Deferred 1) NV Writes Device non-volatile memory. To prevent premature failure
Deferred Alerts of the memory, the write operations have been
deferred. The data will be saved on a 6 hour
cycle. This condition usually exists because a
program has been written that writes to Function
block parameters not normally expected to be
written to on a cyclic basis.
High Electronics Transducer Device This alert Evaluate mounting The device may require special mounting
Temp- Block: Alerts indicates that the location and considerations if installed in a very hot location.
erature electronics environment.
High Electronic
Temperature temperature has
exceeded 80
°
C.
The device will
cease to operate
reliably beyond
85
°
C.
ADC Failure Transducer Device This alert Cycle power or The Analog to Digital Converter (ADC) is
Block: Alerts indicates faulty replace the continuously monitored by the device for correct
1) ADC Timeout operation of the electronics stack. operation. Refer to Section 8: Troubleshooting for
Error device details.
2) ADC electronics.
Reference
Error