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M2 (A55) unit controller − location, controls, inputs/outputs
M2 unit controller board, expansion board locations, SmartWiret connections
Figure 1 shows the controller components and the locations for expansion boards.
EXPANSION
PORT
ECONOMIZER POTS
AND DIP SWITCHES
(PAGE 18)
EXPANSION
PORT
2 AMP FUSE
CONTROL
BOARD
CONTROL
BOARD
L CONNECTION ( optional
connection method for Unit
Controller software)
USB CONNECTION
(for Unit Controller
software)
Figure 1. M2 unit controller board and expansion boards