Rockwell Automation 22-COMM-P PowerFlex Profibus Adapter User Manual
Page 25
Installing the Adapter
2-9
Subcon Plus M1 (Part # 2761826) are recommended for use with
PowerFlex 40, PowerFlex 40P, and PowerFlex 400 drives.]
Figure 2.7 Connecting to the Cable
ERNI Connector
Phoenix Subcon Plus M1 Connector
Figure 2.8 Network Wiring Diagram
Figure 2.9 22-COMM-P DB-9 Pin Layout
5. Connect the Profibus cable to the network, secure it with the two
retaining screws on the connector, and route it through the bottom of
the PowerFlex drive (see
Figure 2.8
.)
Notes: a) The screws on some connectors tie the Profibus cable
ground/shield to the metal of the socket. In some cases,
Profibus will not operate correctly without this connector.
b) Keep wiring away from high noise sources such as motor
cables.
Terminal
Signal
Function
Housing
Shield
1 and 2
Not connected
3
B-LINE
Positive RxD/TxD, according to RS485 specification
4
RTS
5
GND BUS
Isolated GND from bus
6
+5V BUS
Isolated +5V from bus
7 and 9
Not connected
8
A-LINE
Negative RxD/TxD according to RS485 specification
B
A
B
A
B
A
B
A
A
B
A
B