A-13 – Yokogawa EJA115 User Manual
Page 51
IM 01C22T02-01E
A-13
APPENDIX 3. OPERATION OF EACH PARAMETER IN FAILURE MODE
• Following table summarizes the value of EJA parameters when LCD display indicates an Alarm.
(2)
Cause of Alarm
Resorce Block
ALARM Display
Transducer Block
Function Block
Simulation is enabled
in AI1 Function Block
AL. 62
AI1 Function Block is in
Manual mode
AL. 63
Zero Adjust value is out
of normal range
AL. 64
Data is out of LCD
display range
AL. 61
Fluid temperature is out
of normal range
AL. 43
TA0301-2.EPS
PV. STATUS=
UNCERTAIN:
Non Specific
PV. STATUS=BAD:
Configuration Error
SV. STATUS=
UNCERTAIN:
Non Specific
PV. STATUS=
UNCERTAIN: Non
Specific
OUT. STATUS=
UNCERTAIN: Non
Specific
PV. STATUS=
BAD: Non Specific
(for AI1)
OUT. STATUS=
BAD: Non Specific
(for AI1)
OUT. STATUS=HOLD
(When “if Man Mode” is
not set.)
or =Uncertain Substitute
(When OUT is changed)
BLOCK_ERR=
Simulate Active
SV. STATUS=
UNCERTAIN:
Sensor Conversion
not accurate
Static Pressure is out of
normal range
AL. 42
PV. STATUS=
UNCERTAIN:
Non Specific
OUT. STATUS=
UNCERTAIN: Non
Specific
PV. STATUS=
UNCERTAIN: Non
Specific
PV. STATUS=
UNCERTAIN:
Sensor Conversion
not accurate
OUT. STATUS=BAD:
Out of Service
BLOCK_ERR=Out Of
Service
PV. STATUS=HOLD
AI1 Function Block is in
O/S mode
Differential Pressure is
out of normal range
AL. 23
AL. 41
SV. STATUS=
UNCERTAIN:
Non Specific
PV. STATUS=
UNCERTAIN: Non
Specific
OUT. STATUS=
UNCERTAIN: Non
Specific
–
–
–
–
–
BLOCK_ERR=
Simulate Active
–
–
–
–
–
–
–
–