Appendix 3. Operation Of Each Parameter In Failure Mode - YOKOGAWA vigilantplant EJA Series User Manual

APPENDIX 3. OPERATION OF EACH
PARAMETER IN FAILURE MODE
• Following table summarizes the value of EJA parameters when LCD display indicates an Alarm.
(1)
ALARM Display
AL. 01 Capsule Module Failure
AL. 02 AMP Module Failure 1
AL. 03 AMP Module Failure 2
AL. 20 AI1 Block is
not scheduled
AL. 21 Resource Block is in O/S
mode
AL. 22 Transducer Block is in
O/S mode
Cause of Alarm Resource Block
–
–
BLOCK_ERR=Lost
Static Data or
Lost NV Data
–
BLOCK_ERR=Out of
Service
–
–

APPENDIX 3. OPERATION OF EACH PARAMETER IN FAILURE MODE

Transducer Block
BLOCK_ERR=Input
Failure
XD_ERROR=
Mechanical Failure
PV. STATUS=BAD:
Sensor Failure
SV. STATUS=BAD:
Sensor Failure
BLOCK_ERR=Device
Needs Maintenance Now
XD_ERROR=I/O
Failure or Electronics Failure
PV. STATUS=BAD:
Device Failure
SV. STATUS=BAD:
Device Failure
–
–
PV. STATUS=BAD:
Non Specific
SV. STATUS=BAD:
Non Specific
–
–
PV. STATUS=BAD:
Non Specific
SV. STATUS=BAD:
Non Specific
BLOCK_ERR=Out Of
Service
PV. STATUS=BAD:
Out Of Service
SV. STATUS=BAD:
Out Of Service
A-12
Function Block
–
PV. STATUS=BAD:
Sensor Failure
OUT. STATUS=BAD:
Sensor Failure
–
PV. STATUS=BAD:
Device Failure
OUT. STATUS=BAD:
Device Failure
–
PV. STATUS=BAD:
Non Specific
OUT. STATUS=BAD:
Non Specific
–
PV. STATUS=HOLD
OUT. STATUS=HOLD
BLOCK_ERR=Out of
Service
PV. STATUS=HOLD
OUT. STATUS=BAD:
Out of Service
–
PV. STATUS=BAD:
Non Specific
OUT. STATUS=BAD:
Non Specific
TA0301-1.EPS
IM 01C22T02-01E