YOKOGAWA WN100, Руководство пользователя

Страница: 41 / 60

<8. Maintenance>
8-8
IM 01W07D01-01EN
Table 8.2 Cause and Countermeasure
Observed Problems Possible Cause Countermeasure Related Parameter
The process variable (output
value) is fixed (not changing).
Update Time (Publication
Period) is not proper.
Set the publication period
properly.
Refer to subsection 7.3.3
“Wireless Communication”
“Publication Period” which
is configurable on FWMC
Configurator
“Measurement Period” is
not proper.
Set the measurement
period properly.
Refer to subsection 7.3.5
“Sensor Function Setting”
“Measurement Period” of
WNO block
The octave band
calculation is OFF.
Set the octave band
calculation switch properly.
Refer to subsection 7.3.5
“Sensor Function Setting”
“Octave Band Switch” of
WNO block
The simulation function is
set to “1: Enable”.
Set the simulation function
to “0: Disable”.
“Simulate Switch” of AI1/
AI2/AI3 block
“Power Supply Status” of UAPMO
block does not show “1: battery
powered, greater than 75%” even
after the replacing battery pack.
Reset Energy Left function
has not been executed.
.Execute the Reset Energy
Left function.
Refer to subsection 8.4.1
“Replacing the Battery
Pack”.
“Reset Energy Left” of
UAPMO block
8.5.3 Errors and Countermeasures
Table 8.3 Error Message Summary
Bit Contents
Diagnostic Status
Detail (* 1 )
Cause
Recovery Conditions
(except restart)
Output
Operation
Action
27 Faults in
electronics
MIC ADC FAIL Internal
processing is
failed or/and
an electrical
hard ware is not
working properly.
None Output value:
Same with
Normal
Operation
Output status:
Bad, Device
Failure
Contact
Yokogawa
FPGA BUFFER
FAIL
FPGA EBI FAIL
FRAM RW FAIL
SRAM RW FAIL
RM INIT FAIL
RM SPI FAIL
ADC VOLTAGE FAIL
24 Out of service CALIBRATION
ACTIVE
Calibration mode
is activated.
Calibration mode
is used when
the calibration of
WN100. (Refer to
subsection 8.3.2)
Calibration mode is
dis-activated.
Output value:
The value
with the
measurement
period of 10sec
Output status:
BAD Out of
Service
Disable
calibration
mode.
AI1 OOS AI1 block is O/S
mode
Recover when the
mode target of alert
block is other than O/S
Normal
Operation
Check the AI1
block setting
AI2 OOS AI2 block is O/S
mode
Check the AI2
block setting
AI3 OOS AI3 block is O/S
mode
Check the AI3
block setting
23 Outside sensor
limits
DB VALUE OVER
RANGE
Measured sound
noise value
is out of the
measurement
range.
Measured sound
noise value is within
the measurement
range.
Output value:
Same with
Normal
Operation
Output status:
Uncertain
Range Limit
Exceeded
Check the
Sound noise
in the
vicinity
of the
WN100.