Rockwell Automation 25-COMM-P PowerFlex PROFIBUS DPV1 Adapter - Manual (Page 58)

58 Rockwell Automation Publication 520COM-UM004A-EN-E - November 2013
Chapter 7 Using Multi-Drive Mode
Multi-Drive Example of I/O Image
Note: If a daisy-chained drive is disconnected from the RS-485 (DSI) network
or powered down, the Logic Status and Feedback words for the affected drive will
be set to 0.
Configuring the RS-485
Network The following parameters must be set in the daisy-chained PowerFlex 4M drives
and not in the master drive:
Note: The RS-485 Multi-drive network is fixed at 19.2K baud rate, 8 data bits,
no parity, and 1 stop bit.
Controller Scanner Adapter
Word and I/O
PROFIBUS DSI
Output
Image
(Write)
Input
Image
(Read)
Message
Handler Message
Buffer
Logic Command Word 0
Reference Word 1
Drive 0
Logic Command Word 2
Reference Word 3
Logic Command Word 4
Reference Word 5
Logic Command Word 6
Reference Word 7
Logic Command Word 8
Reference Word 9
PowerFlex Drive 2
PowerFlex Drive 0
PowerFlex Drive 1
PowerFlex Drive 3
PowerFlex Drive 4
PowerFlex Drive 0
PowerFlex Drive 1
PowerFlex Drive 2
PowerFlex Drive 3
PowerFlex Drive 4
Drive 1
Drive 2
Drive 3
Drive 4
Logic Status Word 0
Feedback Word 1
Drive 0
Logic Status Word 2
Feedback Word 3
Logic Status Word 4
Feedback Word 5
Logic Status Word 6
Feedback Word 7
Logic Status Word 8
Feedback Word 9
Drive 1
Drive 2
Drive 3
Drive 4
Parameter Value
P106 [Start Source] 5 “Comm Port”
P108 [Speed Reference] 5 “Comm Port”
C302 [Comm Data Rate] 4 “19.2K”
C303 [Comm Node Addr] 1...247 (must be unique)
C306 [Comm Format] 0 “RTU-8-N-1”