Rockwell Automation 1769-SM2 Compact I/O DSI/Modbus Communication Module User Manual
Page 94

6-14
MicroLogix 1500 Example Ladder Programs
Figure 6.6 Example MicroLogix 1500 Multi-Drive Ladder Logic CH1 Drive 0 Subroutine
1769-SM2 Channel 1 Drive 0 Subroutine
The following rungs display some of the Logic Status bits from the drive. Refer to Appendix D in the 1769-SM2 user manual for additional
information about the Logic Status word.
0000
I:1
16
1769-SM2
CH1 Drv0
Logic Sts
Bit 00
B3:10
0
CH1
Drive 0
Ready
0001
I:1
17
1769-SM2
CH1 Drv0
Logic Sts
Bit 01
B3:10
1
CH1
Drive 0
Active
0002
I:1
19
1769-SM2
CH1 Drv0
Logic Sts
Bit 03
B3:10
3
CH1
Drive 0
Running Fwd
0003
I:1
23
1769-SM2
CH1 Drv0
Logic Sts
Bit 07
B3:10
7
CH1
Drive 0
Fault
0004
I:1
24
1769-SM2
CH1 Drv0
Logic Sts
Bit 08
B3:10
8
CH1
Drive 0
At Speed
This rung displays the Feedback from the drive. An integer represents the xxx.x Hz format (decimal is implied) used by the drive, so a displayed
value of "300" equates to 30.0 Hz.
0005
MOV
Move
Source
I:1.2
101<
Dest
N7:1
101<
MOV
CH1
Drive 0
Feedback
The following rungs display some of the Logic Command bits from the drive. Refer to Appendix D in the 1769-SM2 user manual for additional
information about the Logic Command word.
0006
B3:11
0
CH1
Drive 0
Stop
O:1
16
1769-SM2
CH1 Drv0
Logic Cmd
Bit 00