OMC RE20 - Diagnosis Mode (Diagnd); Default Alarm Settings

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Installation
,
O
p
eration and Maintenance Manual ManRE20en Rev.06/2022
OMC S.p.A: Via G. Galilei, 18 - 20060 - Cassina de Pecchi (MI) - ITALY - www.omcvalves.com - Tel.: (+39) 02.95.28.468
8.12 Diagnosis Mode (dIAGNd)
Followings are the values changeable at the dIAGNO Mode.
1) Default Alarm Settings
2) Device Status (dS)
3) Reset Alarm Status (RST ALRM)
4) View Event Log (EVT LOG)
8.12.1 Default Alarm Settings
The table below shows the default settings for the positioner status. They are enable to automatically
generate an alarm when particular event occurs and each state or alarm is set to be one of Failure,
Out of Specification, Maintenance Required, Function Check according to the classification of NE107
signal. So the corresponding NE107 signal is displayed especially when particular alarm occurs. As
shown in the table below, the status / alarms that can be manually reset are Auto Calibration Running,
Diagnosis Running, Critical NVM Fail, Non-Critical NVM Fail and Auto Calibration Fail.
Status / Alarm Activation
Is the Status or
Alarm reset
manually?
Local Operation Active Enable No
Auto Calibration Running Enable Yes
Position Sensor High Limit Enable No
Position Sensor Low Limit Enable No
Critical NVM Fail Enable Yes
Non Critical NVM Fail Enable Yes
Deviation Timeout Enable No
Temperature Sensor Fail Enable No
Position Sensor Fail Enable No
Abnormal Drive Signal Enable No
Travel Cutoff High Limit Enable No
Travel Cutoff Low Limit Enable No
Auto Calibration Fail Enable Yes
Stack Overflow Enable No
Loop Current High Limit Enable No
Loop Current Low Limit Enable No