Rx450AC Rx550DC MK3 Installation Manual - V19 30Sep05.doc
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The receiver comprises of two pcbs mounted above an enclosed psu. The low voltage
logic board is the top board whilst the 24Vdc head output and AC connections are on the
middle board.
The low voltage connection can now be made to the logic board.
Each receiver on a network must have a unique address.
The RS485 telemetry data can operate over either 2 or 4
wire cable. The following diagram shows cable
connections for 4 wire mode.
Ensure that the receiver is set to the same baud rate as
the controller. The receiver default setting is 9600 baud.
The receiver baud rate is set on the
BAUD RATE
line of
the
MAIN/RECEIVER/COMMUNICATIONS/MENU
.
BBV recommend that 4 wire telemetry is used running at 9600 baud
RS485 Telemetry
Connection details
T
B
Rx550
T
A
R
B
R
A
4 WIRE
screen
T
R
A
T
R
B
G
N
D
R
A
R
B
G
N
D