Rockwell Automation 25-COMM-P PowerFlex PROFIBUS DPV1 Adapter User Manual
Page 19
Rockwell Automation Publication 520COM-UM004A-EN-E - November 2013
19
Installing the Adapter
Chapter 2
PROFIBUS Connector
4.
Connect the PROFIBUS cable to the adapter and secure it with the two
screws on the connector.
Network Wiring Diagram
5.
Ground the shield to reduce electrostatic pickup. However, shielding is
only effective when the shield is properly connected to ground. See the
PROFIBUS Installation Guideline for instructions to correctly ground the
shield.
IMPORTANT
PROFIBUS communication may not operate correctly if the cable shield
does not make full contact with the connector housing.
Terminal
Signal
Function
Housing
Shield
Bus cable shield (outer screen that surrounds A and B conductors)
1
Not connected
–
2
Not connected
–
3
B-LINE
Positive RxD/TxD according to RS485 specification
4
RTS
Request to send
5
GND BUS
Network Zero Volt Reference (isolated from drive side)
6
+5V BUS
+5V output to network (isolated from drive side)
7
Not connected
–
8
A-LINE
Negative RxD/TxD according to RS485 specification
9
Not connected
–
B
A
B
A
B
A
B
A
A
B
A
B