Setting the node address, Setting the data rate – Rockwell Automation 20-COMM-S RS-485 DF1 Adapter User Manual
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3-4
Configuring the Adapter
If the adapter Data Rate switch is set to “PGM,” the value of Parameter
03 - [DF1 Addr Cfg] determines the node address.
1. Set the value of Parameter 03 - [DF1 Addr Cfg] to a unique node
address.
Figure 3.2 RS-485 DF1 Node Address Screen on an LCD HIM
2. Reset the adapter. Refer to the
chapter.
If the adapter Data Rate switch is set to “PGM,” the value of Parameter
05 - [DF1 Rate Cfg] determines the RS-485 DF1 data rate. Your
application may require a different setting.
1. Set the value of Parameter 05 - [DF1 Rate Cfg] to the data rate at
which your network is operating.
Figure 3.3 RS-485 DF1 Data Rate Screen on an LCD HIM
2. Reset the adapter. Refer to the
chapter.
Setting the Node Address
Port 5 Device
20-COMM-S
Parameter #: 3
DF1 Addr Cfg
1
0 <> 99
Default = 1
Setting the Data Rate
Value Baud Rate
0
1200 bps
1
2400 bps
2
4800 bps
3
9600 bps (default)
4
19.2 kbps
5
38.4 kbps
Port 5 Device
20-COMM-S
Parameter #: 5
DF1 Rate Cfg
3
9600 bps