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3-4
3-1-4 Baud Rate and Node Address Settings
In a CompoBus/D Network, the baud rate can be set to 500 Kbps, 250 Kbps, or 125 Kbps. To manage
Master/Slave communications, numbers are assigned as node addresses.
Baud rate setting pins
Node address setting pins
Note Default settings are all OFF.
H Baud Rate Setting Pins
Pin 500 Kbps 250 Kbps 125 Kbps
DR1 ON OFF OFF
DR0 OFF ON OFF
H Node Address Setting Pins
Pin
Node Address
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 to 63
ADR5 OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF to ON
ADR4 OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF to ON
ADR3 OFF OFF OFF OFF OFF OFF OFF OFF ON ON ON ON ON ON ON ON to ON
ADR2 OFF OFF OFF OFF ON ON ON ON OFF OFF OFF OFF ON ON ON ON to ON
ADR1 OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON to ON
ADR0 OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON to ON
Note 1. The same node address cannot be used for more than one Slave connected to the commu-
nications line.
Note 2. Remote I/O allocations in the CPU Unit are affected by the node addresses, so make sure that
the remote I/O allocations do not overlap before setting a node address. Refer to Chapter 4
CompoBus/D System Startup.
Setup and Wiring Chapter 3