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User Manual - Page 11

For BOILER SEQUENCING CONTROL.

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11
BSC Installation and Operation Manual
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BSC PANEL
Motherboard
CPU
BACnet or
Ethernet
Board
RS485 for
Remote
communication
only
Connect to
RS485
BSC PANEL
Motherboard
CPU
BACnet or
Ethernet
Board
EXTENSION PANEL 1
Interconnect Cables
Round-to-Round
Flat Cable comes with Extension
and Connector plugs to
RS485 terminals on Back of
Panel PCB board.
(Do not use RS485 on BACnet board)
RS485 for
Remote
communication
only
DIFFERENT WAYS OF CONNECTING BSC TO TWO EXTENSION PANELS
Connect to
RS485
EXTENSION PANEL 2
Connect to
RS485
EXTENSION PANEL 1
Interconnect Cables
Round-to-Round
Connect to
RS485
EXTENSION PANEL 2
Connecting two Extension Panels in Series
Connecting two Extension Panels in Parallel
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