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87
Reference Manual
00809-0100-4140, Rev AA
January 2017
4.
Select individual items to see the counters and timers.
To view the counters/timers menu (AMS Device Manager)
1.
Right click on the device and select
Service Tools
.
2.
Select
Maintenance
, and then select the
Counts/Times
tab.
To view the counters or timers menu (LOI)
These device variables are not available to view on the Local Operator Interface.
5.6
Dry fork calibration
5.6.1
Site calibration of dry fork sensor
This command starts the on-site calibration of the fork sensor in
dry process conditions
.
It should only be performed by authorized persons.
A comparison is made between the live fork sensor frequency measured in dry process
conditions and original factory-set
Dry Fork Frequency
value (
).
If the difference is greater than
Allowable Change In Dry Fork Frequency
(
re-calibration is rejected. Check the fork for damage, corrosion, or coating, and clean the
fork if necessary before re-trying.
When the calibration is successful,
Dry Fork Frequency
is set to the new dry frequency.
“Dry fork frequency and switching points” on page 85
for related information.
Note
The
Dry Fork Frequency
variable is available at various locations in the menu system.
For convenience when calibrating, it is provided on the Field Communicator within the
Sensor Calibration
menu, along with the live fork sensor frequency.
To start the on-site calibration (Field Communicator)
1.
From the Home screen, select
3: Service Tools.
2.
Select
4: Maintenance > 3: Calibrate Sensor
>
1: Sensor Calibration
.
3.
Select
3: Calibrate Dry Fork
.
4.
Follow on-screen instructions to perform the calibration.
Note
When messages about the loop appear, take appropriate safe action and select “OK”.
See
“Configuration basics” on page 10
for further information.
Fast Keys
3, 4, 3, 1, 3
Summary of Contents for Rosemount 2140
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Page 8: ...VI Reference Manual 00809 0100 4140 Rev AA Contents January 2017 Contents ...
Page 14: ...4 Reference Manual 00809 0100 4140 Rev AA Introduction January 2017 Introduction ...
Page 112: ...102 Reference Manual 00809 0100 4140 Rev AA Troubleshooting January 2017 Troubleshooting ...
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