Replacing The Processor Board - Emerson Fisher FLOBOSS 407 Instruction Manual

FloBoss 407 Instruction Manual
2.5.11 Replacing the Proc essor Board
Equipment Required: Hex nut driver
Refer to Figure 2-1. Proceed as follows to replace the FloBoss 407 processor board:
For Measurement Canada units, maintenance and resealing of the FloBoss must
be performed by authorized personnel only.
There is a possibility of losing the 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.
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.
To avoid circuit damage when working with the unit, use appropriate electrostatic
discharge precautions, such as wearing a grounded wrist strap.
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 to the FloBoss.
1. Perform the RAM backup procedure. Refer to Section 2.5.2, Backup Procedure
Before Removing Power on page 2-21.
2. Disconnect the PWR input connector from the termination board.
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Personal computer with ROCLINK software installed
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Rev 5/00