Multi-drive ladder logic program example, Function of the example program, Adapter settings for the example program – Rockwell Automation 22-COMM-E EtherNet/IP Adapter User Manual
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7-6
Using Multi-Drive Mode
The example ladder logic program demonstrates using Multi-Drive
mode with five drives. See
Figure 7.2
for a system layout diagram.
Function of the Example Program
The example program provided is for the ControlLogix, but other
controllers can also be used. This example program enables you to:
• View status information from the drives such as Ready, Fault, At
Speed, and Feedback.
• 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 drive Parameter 39 - [Accel Time] for both so you can
see (read) the change after a write is performed.
Adapter Settings for the Example Program
• The Operating Mode Switch (SW1) on the adapter is set to the
Multi-Drive operation position. See
Chapter 2
,
Setting Operating
Mode and Web Pages Switches
.
• The following adapter parameters are set:
Multi-Drive Ladder Logic Program Example
Parameter
Value
Description
22 - [DSI I/O Cfg]
4
“Drives 0-4” — 5 drives on 1 node
24 - [Drv 0 Addr]
(1)
(1)
The settings for these parameters must match the Parameter A104 -
[Comm Node Addr] settings in the respective drives.
1
Modbus address of Drive 0
25 - [Drv 1 Addr]
(1)
2
Modbus address of Drive 1
26 - [Drv 2 Addr]
(1)
3
Modbus address of Drive 2
27 - [Drv 3 Addr]
(1)
4
Modbus address of Drive 3
28 - [Drv 4 Addr]
(1)
5
Modbus address of Drive 4