Yokogawa EJX930A - Manual (Page 62)

<8. Device Information>
8-5
IM 01C25T02-01E
8.2 Status of Each Parameter in Failure Mode
Following tables summarize the value of EJX parameters when LCD display indicates an Alaram.
Table 8.9 Action of each parameters in failure mode related Resource block and Sensor Transducer block
ALARM
Display Cause of Alarm
Resource
block
SENSOR Transducer block*
BLOCK_ERR BLOCK_ERR XD_ERROR PV.STATUS
SV.STATUS
TV.STATUS
CAP_TEMP_
VAL.STATUS
AMP_TEMP_
VAL.STATUS
AL.01
CAP.ERR
Pressure
Sensor problem
— other I/O Failure BAD:Sensor
Failure
BAD:Sensor
Failure
— —
Capsule
Temperature
Sensor problem
— other I/O Failure — — BAD:Sensor
Failure
—
Capsule
memory
problem
Lost NV Date — — BAD:Device
Failure
BAD:Device
Failure
BAD:Device
Failure
BAD:Device
Failure
AL.02
AMP.ERR
Amplifier
Temperature
Sensor problem
— other Electronics
Failure
— — — BAD:Sensor
Failure
Amplifier
memory
problem
Lost NV Date
Lost Static
Data
— — BAD:Device
Failure
BAD:Device
Failure
BAD:Device
Failure
BAD:Device
Failure
Amplifier
problem
— other Electronics
Failure
BAD:Device
Failure
BAD:Device
Failure
BAD:Device
Failure
BAD:Device
Failure
AL.10
PRESS
Input Pressure
is outside
measurement
range limit of
capsule
— — — UNCERTAIN:
Sensor
Conversion
not Accurate
UNCERTAIN
Subnormal
— —
AL.11
ST.PRSS
Static Pressure
exceeds limit
— — — UNCERTAIN
Subnormal
UNCERTAIN:
Sensor
Conversion
not Accurate
— —
AL.12
CAP.TMP
Capsule
Temperature is
out of range
— — — UNCERTAIN
Subnormal
UNCERTAIN
Subnormal
UNCERTAIN:
Sensor
Conversion
not Accurate
—
AL.13
AMP.TMP
Amplifier
Temperature is
out of range
— — — — — — UNCERTAIN:
Sensor
Conversion
not Accurate
AL.20
NOT.RDY
No
communication
is found with
LAS.
— — — — — — —
AL.40
RS O/S
Resource Block
is in O/S mode
Out of
Service
— — BAD:
Non-specific BAD:
Non-specific BAD:
Non-specific BAD:
Non-specific
AL.41
TB O/S
Sensor TB is in
O/S mode
— Out of
Service
Out of
Service
BAD:Out of
Service
BAD:Out of
Service
BAD:Out of
Service
BAD:Out of
Service
AL.50
P.SDEV
P.ZDEV
Trimming
range error
for differential
pressure span
— other Calibration
error
UNCERTAIN:
Engineering
Unit Range
Violation
— — —
AL.51
SP.SDEV
SP.ZDEV
Trimming range
error for static
pressure span
— other Calibration
error
— UNCERTAIN:
Engineering
Unit Range
Violation
— —
*: For FLG_TEMP_VAL.STATUS, refer to A8.3.5.
Table 8.10 Action of each parameters in failure mode related LCD display
ALARM
Display
Cause of Alarm
LCD TB
BLOCK_ERR XD_ERROR
AL.79
LCD.RNG
LCD.CFG
Displayed value exceeds limit or LCD configuration error other Configuration Error