Rockwell Automation 20-750-PBUS Profibus DPV1 Option Module - Manual (Page 24)

24 Rockwell Automation Publication 750COM-UM004B-EN-P - September 2012
Chapter 2 Installing the Option Module
7. 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.
Figure 4 - Wiring Example
8. Connect the other end of the Profibus cable that is routed through the
bottom of the drive to the Profibus network.
Network Termination The first and last node on a Profibus DP Network segment should be terminated.
Rockwell Automation recommends that the user select one of the
aforementioned Profibus connectors with built-in termination.
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 —
ControlLogix
Controller
PowerFlex 750-Series Drives
(with 20-750-PBUS Option Modules)
Profibus Network