Yokogawa EJX930A User Manual
Page 30

<4. Diagnostics>
4-5
IM 01C25R05-01EN
Integral
Indicator
DTM
display
Status
group
Cause
Countermeasure
Value and Status (Data Quality and Limit Status)
Differential
Pressure
(DP)
Static
Pressure
(SP)
External
Temperature
(ET)
DP %
SP %
ET %
AL.55
SP. ADJ
SP SPAN
trim err
7
Specified value
is outside of
setting range.
Adjust settings
and change
them as
needed.
Value:
Measured
value
Status:
Good
and Not
Limited
(0xC0)
Value:
Measured
value
Status:
Poor
Accuracy
and Not
Limited
(0x40)
Value:
Measured
value
Status:
Good and
Not Limited
(0xC0)
Value:
Measured
value
Status:
Good
and Not
Limited
(0xC0)
Value:
Measured
value
Status:
Poor
Accuracy
and Not
Limited
(0x40)
Value:
Measured
value
Status:
Good
and Not
Limited
(0xC0)
SP ZERO
trim err
AL.56
ET. RNG
Illegal ET
LRV
8
Check settings
and change
them as
needed.
Value:
Measured value
Status:
Good and Not Limited
(0xC0)
Value:
Measured value
Status:
Good and Not Limited
(0xC0)
Value:
Hold value
Status:
Bad and
Constant
(0x30)
Illegal ET
URV
Illegal ET
SPAN
AL.57
ET. ADJ
ET SPAN
trim err
7
Adjust settings
and change
them as
needed.
Value:
Measured value
Status:
Good and Not Limited
(0xC0)
Value:
Measured
value
Status:
Poor
Accuracy
and Not
Limited
(0x40)
Value:
Measured value
Status:
Good and Not Limited
(0xC0)
Value:
Measured
value
Status:
Poor
Accuracy
and Not
Limited
(0x40)
ET ZERO
trim err
---
ET Fixed
Mode
11 Under
Temperature Fix
Mode. PV is ET
Leave from
Temperature
Fix Mode.
Value:
Measured value
Status:
Good and Not Limited
(0xC0)
Value:
Hold value
Status:
Good and
Constant
(0xF0)
Value:
Measured value
Status:
Good and Not Limited
(0xC0)
Value:
Hold value
Status:
Good and
Constant
(0xF0)
AL.79
OV.DISP
(None)
(None) Displayed value
exceeds limit.
Check settings
and change
them as
needed.
Value:
Measured value
Status:
Good and Not Limited
(0xC0)
Value:
Measured value
Status:
Good and Not Limited
(0xC0)
AL.90
SIM
Flow
Simulation
mode
5
Under Simulation
Mode for flow.
Check
Simulation
Mode.
Value: Measured value
Status: Good and Not Limited
(0xC0)
or
Value: Simulation value
Status: Manual/Fixed and Constant
(0xB0)
Value: Measured value
Status: Good and Not Limited
(0xC0)
or
Value: Simulation value
Status: Manual/Fixed and
Constant
(0xB0)
AL.91
P. SIM
P Simulate
Mode
11 Under Simulation
Mode for device
variables.
Check
Simulation
Mode
Value and
Status:
Pressure
simulation
value
Value:
Measured value
Status:
Good and Not Limited
(0xC0)
unsupported
AL.91
SP.SIM
SP
Simulate
Mode
Value and
Status:
Static
Pressure
simulation
value
AL.91
ET.SIM
ET
Simulate
Mode
Value:
Measured value
Status:
Good and Not Limited
(0xC0)
Value and
Status:
Temperature
simulation
value