YOKOGAWA DPharp EJX***A Series User Manual

<4. Diagnostics>
4-24
IM 01C25T01-06EN
4.3 Alarms and Countermeasures
Table 4.5 Alarm Message Summary
Integral
indicator
HARTconguration
tool display
Cause
4-20mA Output
operation during error
Countermeasure
Status
group
*
1
Diagnostic
List
group *
2
AL. 01
CAP.ERR
P sensor error *
1
Pressure Sensor
Error *
2
Sensor problem. Outputs the signal (High
or Low) set with burnout
direction switch.
[status output: undened]
(About the output signal,
refer to subsection 3.3.9)
Replace capsule if
the error recurs after
the transmitter is
restarted.
1
Hardware Failure
CT sensor error *
1
Capsule Temperature
Sensor Error *
2
Capsule temperature
sensor problem.
Replace capsule.
Cap EEPROM error *
1
Capsule EEPROM
Error *
2
Capsule EEPROM
problem.
AL. 02
AMP.ERR
AT sensor error *
1
Amp Temp Sensor
Error *
2
Amplier temperature
sensor problem.
Replace amplier.
Amp EEPROM error *
1
Amp EEPROM Error
*
2
Amplier EEPROM
problem.
CPU board error *
1
CPU Board Error *
2
Amplier problem.
2
—
No device ID *
1
No Device ID *
2
No device ID is found. Continues to operate and
output.
Replace amplier.
2
AL. 10
PRESS
P outside limit *
1
Pressure Outside
Limit *
2
Di󰀨erential pressure is
outside measurement
range limit of capsule.
When PV is Pres
Output AO upper limit or
AO Lower limit. (Refer to
subsection 3.3.1)
Check input or
replace capsule
when necessary.
3
Transducer Status
AL. 11
ST. PRSS
SP outside limit *
1
Static Pressure
Outside Limit *
2
Static pressure exceeds
limit.
When PV is SP
Output AO upper limit or
AO Lower limit. (Refer to
subsection 3.3.1)
AL. 12
CAP.TMP
CT outside limit *
1
Cap Temp Outside
Limit *
2
Capsule temperature is
outside range (–50 to
130°C).
Continues to operate and
output.
Use heat insulation
or make lagging to
keep temperature
within range.
AL. 13
AMP.TMP
AT outside limit *
1
Amp Temp Outside
Limit *
2
Amplier temperature
is outside range (–50 to
95°C).
AL. 30
PRS.RNG
P over range *
1
Pressure Over Range
*
2
Di󰀨erential pressure
exceeds specied range.
When PV is Pres.
Output AO upper limit or
lower limit.
(Refer to subsection 3.3.1)
Check input and
range setting, and
change them as
needed.
4
AL. 31
SP. RNG
SP over range *
1
Static Pressure Over
Range *
2
Static pressure exceeds
specied range.
When PV is SP
Output AO upper limit or
lower limit.
(Refer to subsection 3.3.1)
AL. 35
P.HI
P high alarm *
1
Pressure High Alarm *
2
Input pressure exceeds
specied threshold.
Continues to operate and
output.
Check input.
5
AL. 36
P.LO
P low alarm *
1
Pressure Low Alarm *
2
AL. 37
SP.HI
SP high alarm *
1
Static Pressure High
Alarm *
2
Input static pressure
exceeds specied
threshold.
AL. 38
SP.LO
SP low alarm *
1
Static Pressure Low
Alarm *
2
*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