FloBoss 107 Instruction Manual
Revised June-2017 Sensors and Transducers 6-5
Note: Figure 6-2 shows a terminating resistor—typically a 121 Ω
customer-supplied resistor—on the last transmitter in the
multi-drop. This resistor correctly terminates the multi-
drop configuration.
To configure a multi-drop MVS transmitter setup, you connect
each transmitter to the FB107 and configure it individually.
Ensure that each transmitter functions correctly before you install
the next transmitter.
Note: There is a possibility of losing the FB107 configuration
and historical data held in RAM while performing the
following procedure. As a precaution, save the current
configuration and historical data to permanent memory.
When installing units in a hazardous area, make sure all installation
components selected are labeled for use in such areas. Installation
and maintenance must be performed only when the area is known to
be non-hazardous. Installation in a hazardous area could result in
personal injury or property damage.
Always turn off the power to the FB107 before you attempt any type of
wiring. Wiring of powered equipment could result in personal injury or
property damage.
To avoid circuit damage when working inside the unit, use appropriate
electrostatic discharge precautions, such as wearing a grounded wrist
strap.
Note: Repeat this process for each remote transmitter (to a total
of six transmitters) you want to connect.
1. Remove power from the FB107.
2. Wire the first MVS transmitter according to Table 6-1.
Table 6-1. MVS Module Wiring Terminals
3. Run four wires (two for power, two for communications) from
the remote transmitter and connect them to the terminal block
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