Serial Communications | A-1
SERIAL COMMUNICATIONS
Communication Protocol
Communicating to the Series 2000 control unit through the RS-485 serial
port requires the following communication parameter settings:
8 data bits
1 stop bit
No Parity
In addition, the baud rate on the Series 2000 control unit must match the
baud rate of the host device. Baud rates are user programmable. See the
“Communication” section in the Setup Key Chapter for help on defining
control unit baud rates.
The communication protocol is a basic master/slave, command/response
protocol. The master initiates each communication transfer. There is one
master on the communication line, but there can be multiple Series 2000
Controller units acting as slaves. Up to 32 controllers can be connected on
one network.
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