- 8 -
7. MECHANICAL ASSEMBLY
REMOVING THE REAR PANEL
First remove any connectors. Use one hand to press in the two sides of the rear of the case,
and the other hand to press down the two protruding tab releases at the top of the rear panel
(see figure below). This will unhook the rear panel from the case.
Rear Panel
REMOVING THE ELECTRONICS & INSTALLING OPTION BOARDS
With the rear panel removed, the
electronic assembly will easily slide
out through the rear of the case.
Options boards plug into the main
board at the front of the meter.
These are plug-and-play and may
be installed in the field. New boards
will be recognized by the meter soft-
ware for access to the appropriate
menu items. You may need to
remove rear panel knockouts to fit
new boards.
Note:
When an option board is installed correctly, the top and bottom edges of the main board
and option board are aligned. Misaligned boards will burn out the electronics.
Option Board
Main Board Plug
Rear Panel Jack
Power supply
Relay board
Serial interface board
Analog output board
Signal conditioner board
P11
P12
P13
P14
P15
J1
J2
J3
J4
J5
REASSEMBLING YOUR METER
Slide the electronics assembly back into the case until the display board is seated flush
against the front of the case. Insert the bottom tabs of the rear panel into the case, and then
carefully align the board connectors with the openings in the rear panel. Ensure that all option
Retaining tab
with tab release
Retaining tab
with tab release
Retaining tab
Retaining tab
