Compactlogix multi-drive mode example program – Rockwell Automation 1769-SM2 Compact I/O DSI/Modbus Communication Module User Manual
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CompactLogix Example Ladder Programs
CompactLogix Multi-Drive Mode Example Program
Figure 7.5 Example CompactLogix Multi-Drive Ladder Logic Main Routine
CompactLogix -L35E w/ 1769-SM2 in Multi-Drive Mode
In this Multi-Drive mode example program, the channels are utilized as follows:
Channel 1 - Connected to 5 PowerFlex 4/40 drives (maximum allowed)
Channel 2 - Connected to 5 PowerFlex 4/40 drives (maximum allowed)
Channel 3 - Configured for Modbus RTU Master mode and connected to 1 PowerFlex 70 drive (with 20-COMM-H adapter)
This rung enables the 1769-SM2 to send the Channel 1 Logix Command and Reference words to the drives.
0
CH1_Enable
/
s:
e
Channel 1 Drive 0 Subroutine
1
Jump To Subroutine
Routine Name CH1_Drive0
JSR
Channel 1 Drive 0
control logic
Channel 1 Drive 1 Subroutine
2
Jump To Subroutine
Routine Name CH1_Drive1
JSR
Channel 1 Drive 1
control logic
Channel 1 Drive 2 Subroutine
3
Jump To Subroutine
Routine Name CH1_Drive2
JSR
Channel 1 Drive 2
control logic
Channel 1 Drive 3 Subroutine
4
Jump To Subroutine
Routine Name CH1_Drive3
JSR
Channel 1 Drive 3
control logic
Channel 1 Drive 4 Subroutine
5
Jump To Subroutine
Routine Name CH1_Drive4
JSR
Channel 1 Drive 4
control logic
This rung enables the 1769-SM2 to send the Channel 2 Logix Command and Reference words to the drive.
6
CH2_Enable