FloBoss 407 Instruction Manual
B-8 Rev 5/00
sure to use rigid metal conduit with seals. All installation wiring must follow code to meet the
respective Class and Division ratings.
CAUTION
Before connecting a Remote MVS to the FloBoss 407, remove all power from the
MVS by unplugging the power to the FloBoss 407. If you do not remove ALL power
from the MVS, electronic components will be damaged. Refer to Section 2.5.2,
Backup Procedure Before Removing Power.
NOTE
For Measurement Canada units, maintenance and resealing of the FloBoss must
be performed by authorized personnel only.
CAUTION
There is a possibility of losing the FloBoss 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. Refer to Section 2.5.2.
CAUTION
When installing devices in a hazardous area, make sure each device is labeled for
use in such areas. Procedures involving switching power on or off, or procedures
for installing or removing any wiring or components, must be performed only when
the area is known to be non-hazardous.
CAUTION
To avoid circuit damage when working with the unit, use appropriate electrostatic
discharge precautions, such as wearing a grounded wrist strap.
CAUTION
During this procedure, all power will be removed from the FloBoss and devices
powered by the FloBoss. Ensure that all connected input devices, output devices,
and processes will remain in a safe state when power is removed from the FloBoss
and also when power is restored.
Power down the FloBoss. Run the 4 wires from the FloBoss 407 to the Remote MVS, and connect
them to the MVS terminal block on the termination board. The wires should be a minimum size of 22
AWG and a maximum length of 4000 feet. Two of the terminals provide power and the other two
terminals provide a communication path. The terminals are identified as follows:
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