Instruction manual

60 RFT9739 Field-Mount Transmitter Instruction Manual
Startup
continued
6.5 Totalizer control
The transmitter's mass totalizer and volume totalizer can be started,
stopped, and reset using any of the following:
• A HART Communicator
• ProLink software version 2.4 or higher
• A Modbus device
•AMS software
In addition, the totalizer can be reset using the Scroll and Reset knobs
on the transmitter housing cover, if the RFT9739 has a display.
Totalizer functions can be disabled, depending on the RFT9739 security
mode. See
Table 6-4
.
Mass and volume totalizers cannot be reset independently. When one
totalizer is reset, the other is also reset. To reset the transmitter's mass
totalizer and volume totalizer using the Scroll and Reset knobs:
1. Use the Scroll knob to view the process variable screens until either
totalizer screen appears. (In the totalizer screens, "TOT" appears in
the upper left corner.)
2. Rotate and hold the Reset knob until the screen is blank, then
release.
WARNING
When the totalizers are stopped, the frequency/pulse
output is disabled.
If the frequency/pulse output is used for process control,
failure to set control devices for manual operation could
affect process control.
• Before stopping the totalizers, set process control
devices for manual operation.
• To enable the frequency/pulse output, restart the
totalizers.
Table 6-4. Effect of security modes on totalizer control
Flow
condition
Performed
with
Mode
1
Mode
2
Mode
3
Mode
4
Mode
5
Mode
6
Mode
7
Mode
8
No flow Scroll and
Reset knobs
Disabled Disabled Disabled Disabled
HART or
Modbus device
Disabled Disabled Disabled
With flow Scroll and
Reset knobs
Disabled Disabled Disabled Disabled Disabled Disabled Disabled
HART or
Modbus device
Disabled Disabled Disabled Disabled Disabled Disabled
Resetting the totalizer has no effect on the mass or volume inventory.
For more information about security modes, refer to Section 2.3, page 5.