Rockwell Automation 25-COMM-D PowerFlex 525 DeviceNet Adapter - Manual (Page 74)

74 Rockwell Automation Publication 520COM-UM002A-EN-E - April 2013
Chapter 7 Using Multi-Drive Mode
• Control the drives using various Logic Command bits (Stop, Start, etc.)
and Reference.
• Perform a single parameter read and write for each drive. The example uses
PowerFlex 4M drive parameter P109 [Accel Time 1] for both so you can
see (read) the change after a write is performed.
Drive 0 (PowerFlex 525) Settings for the Example Program
• Parameter C169 [MultiDrv Sel] is set to 1 “Network Opt”.
• The following parameters are set:
Drive 1...4 (PowerFlex 4M) Settings for the Example Program (in all
drives)
The following parameters are set:
CompactLogix Example Using
Generic Profile The following common Tags are used:
Parameter Value Description
P046 [Start Source 1] 4 “Network Opt”
P047 [Speed Reference1] 4 “Network Opt”
C175 [DSI I/O Cfg] 4 “Drive 0-4” (5 drives on 1 node)
C171 [Drv 1 Addr]
(1)
(1) The settings for these parameters must match the node address settings in the respective daisy-chained drives.
1 Modbus address of Drive 1
C172 [Drv 2 Addr] 2 Modbus address of Drive 2
C173 [Drv 3 Addr] 3 Modbus address of Drive 3
C174 [Drv 4 Addr] 4 Modbus address of Drive 4
Value
Parameter Drive 1 Drive 2 Drive 3 Drive 4
P106 [Start Source] 5 5 5 5
P108 [Speed Reference] 5 5 5 5
C302 [Comm Data Rate] 4 4 4 4
C303 [Comm Node Addr] 1 2 3 4
C304 [Comm Loss Action] 0 0 0 0
C305 [Comm Loss Time] 5.0 s 5.0 s 5.0 s 5.0 s
C306 [Comm Format] 0 0 0 0
IMPORTANT Cycle drive power after making these settings.
Tag Name Type Description
Local:1:O AB:1769_SDN_364Bytes:O:0 1769-SDN I/O
Local:1:I AB:1769_SDN_496Bytes:I:0
Accel_Time_1 INT –
Drive_Input_Image INT [10] Input Image Table
Drive_Output_Image INT [10] Output Image Table