FOXBORO FBM201e P0924TR Analog isolation module

SPC Alarm/Shutdown Structure The SPC groups alarms and shutdown conditions as shown below. All alarm conditions are combined to generate a master alarm which is indicated on applicable service tool screens and the alarm status relay driver. All shutdown conditions are combined to generate a master shutdown, which is indicated on applicable service tool screens and the shutdown status relay driver.

See also: 

 SPC alarm/shutdown structure 

 Viewing and resetting alarms and shutdowns 

 Changing alarm and shutdown settings 

 Alphabetical list of alarms and shutdowns

Changing Alarm and Shutdown Settings 

SPC alarm and shutdown settings can be changed using the SPC Service Tool. In the SPC Service Tool window there is a page named Alarm Setup for this purpose. The SPC implements two separate position error faults with independent thresholds and delays.The following items are displayed on the SPC Service Tool Identification Tab.  SPC Serial Number The SPC serial number will also be displayed on the nameplate.

 Software Part Number The SPC application software part number, including revision letter

Alarm Threshold and Delay Settings 

A value must exceed the threshold continuously for a duration equal to the delay time before the alarm or shutdown becomes active. Latching and Non-Latching Response A non-latching alarm or shutdown will be removed if the cause of the alarm or shutdown is corrected. A latching alarm or shutdown will remain active until the cause of the alarm or shutdown is cleared and the “Reset Alarms and Shutdowns” is selected.

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