![Rosemount 3144 Скачать руководство пользователя страница 40](http://html1.mh-extra.com/html/rosemount/3144/3144_manual_1487449040.webp)
Rosemount Model 3144 and 3244MV Smart Temperature Transmitters
3-12
NOTE
The Drift Alert alarm cannot be enabled while Hot Backup is enabled.
The Drift Alert warning, however, can be used simultaneously with Hot
Backup. For information on configuring the transmitter for Hot Backup
see page 3-10.
To set up and enable the Drift Alert feature of the Model 3244MV
transmitter, perform the following procedure:
1. Attach two sensors of any type to the transmitter as shown in
2. From the Home screen, select
1 Device Setup, 1 Process Variables,
8 Variable Re-map
to set primary, secondary, tertiary, and
quaternary variables. The communicator displays the PV, SV, TV,
and QV menus in succession.
3. Select PV, SV, TV, and QV as desired.
4. Select
OK
after verifying the variable settings from the Variable
Mapping menu.
5. Select
OK
to return the control loop to automatic control. Select
HOME
to return to the Home screen.
6. From the Home screen, select
1 Device Setup, 4 Detailed Setup,
1 Sensors, 1 Process Sensor, 4 Sensor Setup, 1 Sensor 1 Config
to
configure Sensor 1.
7. Set the sensor type, number of wires, damping, and units for
Sensor 1.
8. Select
SEND
to download the new data to the transmitter. Select
HOME
to return to the Home screen.
9. Repeat steps 6 thru 8 for sensor 2.
10. From the Home screen select
1 Device Setup, 4 Detailed Setup,
1 Sensors, 1 Process Sensor, 4 Sensor Setup, 4 Drift Alert
to
prepare to configure the transmitter for Drift Alert.
11. Select
2 Drift Units
to set drift alert engineering units (°C, °F, °R,
Kelvin, ohm, or mV).
12. Select
3 Drift Limit
. Enter the maximum acceptable difference
between Sensor 1 and Sensor 2.
13. Select
4 Drift Damping
to enter a drift alert damping value. This
value must be between 0 and 32 seconds.
14. Select
1 Drift Alert Mode
and select
Enable Drift Alert
.