YOKOGAWA DPharp EJX***A Series User Manual

<4. Diagnostics>
4-26
IM 01C25T01-06EN
Integral
indicator
HARTconguration
tool display
Cause
4-20mA Output
operation during error
Countermeasure
Status
group
*
1
Diagnostic
List
group *
2
AL. 79
OV. DISP
— Displayed value exceeds
limit.
Continues to operate and
output.
Check settings and
change them as
needed.
—
Diag Status
AL.87
FLG.HI
EJX
FThighalarm*
1
FlgTempHighAlarm
*
2
Flange temperature
exceeds a preset upper
limit.
It depends on the Diag Out
Option setting.
O󰀨: Continue to operate and
output.
Burnout:Outputs AO upper
limit or AO lower limit.
Fall back:Outputs Diag Out
Fixed Val.
Check the heater
failure.
Check the capsule
temp. and Amplier
temp.
Adjust Flg Temp
Coef.
8
AL.87
FLG.LO
EJX
FTlowalarm*
1
FlgTempLowAlarm
*
2
Flange temperature is
below a preset lower
limit.
AL.88
INVR.DP
EJX
Invalid Ref DP *
1
Invalid Ref fDP *
2
Di󰀨erential pressure/
pressure uctuation does
not reach the reference
level required to blockage
detection so that no
blockage detection is
carried out.
Continue to operate and
output.
Check process
condition.
AL.88
INVR.SL
EJX
Invalid Ref SPL *
1
Invalid Ref fSPl *
2
Low-pressure-side
uctuation does not
reach the reference
uctuation level required
to blockage detection.
AL.88
INVR.SH
EJX
Invalid Ref SPH *
1
Invalid Ref fSPh *
2
High- pressure-side
uctuation uctuation does
not reach the reference
uctuation level required to
blockage detection.
AL.88
INVR.F
EJX
InvalidRefF*
1
InvalidRefBlkF*
2
BlkF can not be used for
blockage detection for
some reasons.
AL.89
ILBD.OV
EJX
ILBD over range *
1
Outside Diagnosis
Range *
2
Appointed the diagnosis
range outside.
AL.89
B BLK
EJX
B Blocking *
1
, *
2
B Blocking (both-side
blockage) is detected.
It depends on the Diag Out
Option setting.
O󰀨: Continue to operate and
output.
Burnout: Outputs AO upper
limit or AO lower limit.
Fall back: Outputs Diag Out
Fixed Val.
Check process
condition.
9
Diag Status
AL.89
H BLK
EJX
H Side Blocking *
1
High Side Blocking *
2
High-pressure-side
blockage is detected.
AL.89
L BLK
EJX
L Side Blocking *
1
Low Side Blocking *
2
Low-pressure-side
blockage is detected.
AL.89
H LRG
EJX
LargeFluctH*
1
LargeFluctuationof
High Side *
2
Pressure uctuation
amplitude of high-
pressure side is large.
AL.89
L LRG
EJX
LargeFluctL*
1
LargeFluctuationof
Low Side *
2
Pressure uctuation
amplitude of low-
pressure side is large.
AL.89
A BLK
EJX
A Blocking *
1
, *
2
A Blocking (single-side
blockage) is detected.
AL. 91 *
3
P. SIM
P Simulate Mode Under Simulation Mode
for device variables.
Output the setting value of
Simulate-Value
Check Simulation
Mode
10
—
AL.91 *
3
SP. SIM
SP Simulate Mode
AL.91 *
3
T. SIM
T Simulate Mode
*1: DD and DTM (excluding EJX HART 5 DTM based on FDT1.2)
*2: EJX HART 5 DTM based on FDT1.2
*3: Available only for HART 7

YOKOGAWA DPharp EJX***A Series Specifications

General

Brand	YOKOGAWA
Model	DPharp EJX***A Series
Category	Transmitter
Language	English