Reference Manual
00809-0100-4021, Rev FB
August 2011
Rosemount 3144P
3-18
HART
To set up and enable the Sensor Drift Alert feature of the 3144P with the
Traditional Fast Key sequence:
1. Attach any two sensors to the transmitter as shown in Figure 2-12 on
2. From the Home screen, select
1 Device Setup, 3 Configuration, 1
Variable Mapping, 5 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 primary, secondary, tertiary, and quaternary variables as desired.
4. After verifying the variable settings from the Variable Mapping menu
select
OK
.
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, 3 Configuration, 2
Sensor Configuration, 1 Change Type and Conn, 3 Sensor 1 Setup
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 – 8 for Sensor 2 using
4 Sensor 2 setup
.
10. From the Home screen select
1 Device Setup, 3 Configuration, 3
Dual-Sensor Configuration, 5 Drift Alert
to prepare to configure the
transmitter for Sensor Drift Alert.
11. Select 2 Drift Limit and enter the maximum acceptable difference
between Sensor 1 and Sensor 2.
12. Select
3 Drift Damping
to enter a Sensor Drift Alert damping value, which
must be between 0 and 32 seconds.
13. Select
1 Drift Alert Option
and select
Enable Alarm
or
Warning
only.
14. Select
SEND
to download the alarm setting to the transmitters.
NOTE
Enabling Drift Alert Option Warning only (Step 13) will set a flag (through
HART) whenever the maximum acceptable difference between Sensor 1 and
Sensor 2 has been exceeded. For the transmitter’s analog signal to go into
alarm when Drift Alert is detected, select
Alarm
in Step 13.
Aotewell Ltd
www.aotewell.com
Industry Automation
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