Yokogawa digitalYEWFLO (DY-FF) - Manual (Page 81)

<APPENDIX 3. OPERATION OF EACH PARAMETER IN FAILURE MODE>
A3-1
IM 01F06F00-01EN
APPENDIX 3. OPERATION OF EACH
PARAMETER IN FAILURE MODE
*1: Standard Type and Multi-variable Type with THERMOMETER_FUNCTION in TR block Set to “Monitor Only” or “Not Use”
*2: Multi-variable Type with THERMOMETER_FUNCTION Used for Density Calculation
LCD
Display
Alarm Detail RS Block TR Block AI1 Block AI2 Block AI3 Block
Alarm Reset
SW* (default)
AL-01
AMP. Module
Failure 1 (AL-01)
—
<BLOCK_ERR>
Other <PV.Status>
• Default
Bad-Non Specifi c
• STATUS_OPTS:Propagate Fault Forward = Active
Bad-Device Failure
Not provided
<XD_ERROR>
AMP. Module
Failure 1 (AL-01)
<PV.Status>
Bad-Device
Failure
<OUT.Status>
• Default
Bad-Non Specifi c
• STATUS_OPTS:Propagate Fault Forward = Active
Bad-Device Failure
<SV.Status>
Bad-Device
Failure
AL-02
COM. Circuit
Failure 1 (AL-02)
—
<BLOCK_ERR>
Other <PV.Status>
• Default
Bad-Non Specifi c
• STATUS_OPTS:Propagate Fault Forward = Active
Bad-Device Failure
Not provided
<XD_ERROR>
COM. Circuit
Failure 1 (AL-02)
<PV.Status>
Bad-Device
Failure
<OUT.Status>
• Default
Bad-Non Specifi c
• STATUS_OPTS:Propagate Fault Forward = Active
Bad-Device Failure
<SV.Status>
Bad-Device
Failure
AL-03
COM. Circuit
Failure 2 (AL-03)
—
<BLOCK_ERR>
Other <PV.Status>
• Default
Bad-Non Specifi c
• STATUS_OPTS:Propagate Fault Forward = Active
Bad-Device Failure
Not provided
<XD_ERROR>
COM. Circuit
Failure 2 (AL-03)
<PV.Status>
Bad-Device
Failure
<OUT.Status>
• Default
Bad-Non Specifi c
• STATUS_OPTS:Propagate Fault Forward = Active
Bad-Device Failure
<SV.Status>
Bad-Device
Failure
AL-04
AMP. Module
Failure 2 (AL-04)
<BLOCK_ERR>
Lost Static Data
Lost MV Data
<BLOCK_ERR>
Other
<PV.Status>
Bad-Non Specifi c
Not provided
<XD_ERROR>
AMP. Module
Failure 2 (AL-04)
<PV.Status>
Bad-Non Specifi c <OUT.Status>
Bad-Non Specifi c <SV.Status>
Bad-Non Specifi c
AL-05
Flow Sensor
Failure (AL-05)
—
<BLOCK_ERR>
Other
<PV.Status>
Uncertain-Non
Specifi c <PV.Status>
Uncertain-Non
Specifi c
Provided
(ON)
<XD_ERROR>
Flow Sensor
Failure (AL-05)
<PV.Status>
Uncertain-
Sensor
Conversion not
Accurate
<OUT.Status>
Uncertain-Non
Specifi c <OUT.Status>
Uncertain-Non
Specifi c