Yokogawa EJX930A User Manual
Page 156
B-9
IM 01C25R51-01E
Step 3 Check the alarm in AR Block
Confirm that the following alarms are not displayed in Diagnostic List of the Device Status screen.
If any alarm is displayed for AR Block, take the appropriate measure by referring to the table
below.
Table B3.1 Alarm list of AR Block for flow configuration
Alarm No.
Alarm Label
Counter Measure
AL-85
AR Not Scheduled
Make a schedule of AR Block
AL-86
AR Range Conf. Err
Change the value as AR Range High (AR.RANGE_HI) is larger
than AR Range Low (AR.RANGE_LO)
AL-87
AR Temp. IN Over Range
This case is out of specification. Refer to IM01F06F00-01E or
Check the engineering setting or AR Temperature Unit
(AR.AR_TEMPERATURE_UNIT)
AL-88
AR Press IN Over Range
This case is out of specification. Refer to IM01F06F00-01E or
Check the engineering setting or AR Pressure Unit (AR.AR_
PRESSURE_UNIT) and AR Bias Input2 (AR.BIAS_IN_2)
AL-89
AR Flow IN NotConnected
Connect the volumetric flow data into AR Input (AR.IN)
AL-90
AR Temp. IN NotConnected
Connect the temperature data into AR Input1 (AR.IN_1)
AL-91
AR Press IN NotConnected
Connect the pressure data into AR Input2 (AR.IN_2)
AL-92
AR Comp. Coef. Conf. Err
Execute “Flow Configuration Wizard” again and download to the
device.
AL-93
AR Output Unit Conf. Err
Refer to IM 01F06F00-01E or Check the AR Output Range.Units
Index (AR.OUT_RANGE.Unit Index) and AR Arithmetic Type
(AR.ARITH_TYPE)
NOTE
As for device alarms other than AR Block, refer to Instruction Manual "Model DY Vortex
Flowmeter, Model DYA Vortex Flow Converter, and Fieldbus Communication Type" (IM
01F06F00-01E).