
4. If wiring of the unit has been completed, reinstall the
wiring cover on the enclosure and tighten the set screw.
1.5.2a Wiring as a totalizer (pulse) output
Wire this option in accordance with the connections
shown on the label in the rear cover (see
figure 6
). Refer
to Appendix A,
specifications
for the load and voltage
requirements.
1.5.2b Wiring as a frequency output
Wire this option in accordance with the connections
shown on the label in the rear cover (see
figure 6
). Refer
to
Appendix A, specifications
for the load and voltage
requirements.
1.5.2c Wiring as a calibration port
The XMT1000 flow transmitter is equipped with a calibration
port specifically designed for calibrating the XMT1000. It is
wired for a frequency output. To wire to this port, refer to
figure 6
and complete the following steps:
Note:
Performing a calibration of the meter requires entering
an admin-level password.
1. Disconnect the main power to the unit and remove
the rear cover.
2. Install the required cable gland in the chosen conduit
hole on the side of the electronics enclosure.
3. Feed one end of the cable through the conduit hole,
wire it to the terminal block.
4. If wiring of the unit has been completed, reinstall the
wiring cover on the enclosure and tighten the set screw.
WARNING!
Make sure all covers, with their o-ring seals,
are installed and the set screws tightened
before applying power in a hazardous
environment.
1.5.3 Wiring the modbus/service port
The XMT1000 flow transmitter is equipped with a modbus
communication port for either a connection to Vitality
(PC software) or to a separate control system. The port
is an RS485 interface.
IMPORTANT:
The maximum cable length for an RS485 connection is
4000 ft (1200 m).
To wire to this RS485 serial port, refer to
figure 6
and
complete the following steps:
1. Disconnect the main power to the unit and remove
the rear cover.
2. Install the required cable gland in the chosen conduit
hole on the side of the electronics enclosure.
3. Feed one end of the cable through the conduit hole,
and wire it to the terminal block.
4. If wiring of the unit has been completed, reinstall the
wiring cover on the enclosure and tighten the set screw.
Note:
Prior to use, the serial port must be programmed.
WARNING!
Make sure all covers, with their o-ring seals,
are installed and the set screws tightened
before applying power in a hazardous
environment.
8
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