Alarm Processing; Block Alarms; Discrete Alarm; Block_Error In Di Block - GE FVP110 Maintenance Manual

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Alarm Processing

Block Alarms

When a condition shown in Table 44 is met in a DI block, the block changes the bit
statuses of BLOCK_ERROR accordingly and generates a block alarm.
Bit
3 Simulate Active
Input Failure / process
7
variable has BAD status
15 Out of Service

Discrete Alarm

The parameter DISC_ALM is a discrete alarm of the parameter OUT_D.
When the value of OUT_D agrees with the value of DISC_LIM, the alarm state of
DISC_ALM is set to active and an alert is generated.
Table 44 BLOCK_ERROR in DI Block
Meaning
SIMULATE_D is active.
Propagate Fault Backward in STATUS_OPTS is false, and the
sub-status component of the status of READBACK is sensor
failure or device failure.
The target mode is O/S.
FVP 110 Fieldbus Valve Positioner Manual
Description
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