Yokogawa EJA115 User Manual
Page 36
IM 01C22T03-00E
8-2
8. DIAGNOSTIC INFORMATION
Table 8.2 Contents of DIAGNOSIS_EXTENSION
Octet
4
Bit
0
Display Message
Capsule Module Failure1 (AL.01)
Countermeasure Message
Replace capsule.
Alarm description
Capsule module failure.
4
1
Capsule Module Failure2 (AL.01)
Replace capsule.
Capsule module failure.
4
4
Capsule Module Failure3 (AL.01)
Replace capsule.
Capsule memory failure.
4
5
AMP Module Failure1 (AL.02)
Replace amplifier.
Amp memory failure.
4
6
AMP Module Failure2 (AL.03)
Replace amplifier.
Amp memory failure.
4
7
AMP Module Failure3 (AL.02)
Replace amplifier.
Amp module failure.
1
2
AI2 Function Block is in Man mode.
--
AI2 Function Block is in Manual mode.
3
1
2
6
Differential Pressure is out of
normal range. (AL.41)
Check input.
Differential pressure is out of range.
Alarm is generated when the value
is out of LRL-10% to URL+10%.
Data is out of LCD Display
range. (AL.61)
Check input and display
conditions and modify them
as needed.
Data is out of LCD display range.
2
7
Zero adjustment error (AL.64)
Readjust zero point.
Zero adjustment value is out of
range.
Alarm is generated when the value
is out of LRL-10% to URL+10%.
3
2
Static Pressure is out of normal
range. (AL.42)
Check line pressure (static
pressure).
Static pressure is out of MWP
(Maximum working pressure).
Alarm is generated when the static
pressure exceeds 110% of MWP.
3
3
Fluid temperature is out of
normal range. (AL.43)
Use heat insulation to keep
temperature within range.
Process temperature is out of limit.
Alarm is generated when the
temperature is out of -50 to 130
degC.
category
System
Alarms
Process
Alarms
Setting
Alarms
1
6
Physical Block is in O/S mode.
(AL.21)
--
Physical Block is in O/S mode.
1
0
Transducer Block is in O/S
mode. (AL.22)
--
Transducer Block is in O/S mode.
1
3
AI1 Function Block is in O/S
mode. (AL.23)
--
AI1 Function Block is in O/S mode.
1
1
AI2 Function Block is in O/S
mode.
--
AI2 Function Block is in O/S mode.
O/S
Mode
Alarms
O/S Mode
Warning
1
5
Simulation is enabled in AI1 or
AI2 Function Block. (AL.62)
--
AI1 or AI2 Function Block is in
Simulation mode.
1
4
AI1 Function Block is in Man
mode. (AL.63)
--
AI1 Function Block is in Manual
mode.
Warning
in FB
T0802.EPS