Rockwell Automation 22-SCM-232 Serial Converter Module User Manual

Page 58

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D-8

MicroLogix 1000 Example Ladder Program

The data table used by the example ladder program is explained below:

Figure D.2 MicroLogix 1000 Ladder Example Data Table Values

The following screens (

Figure D.3

to

Figure D.6

) provide details of the

MSG instructions used in the ladder example:

N7:
Address

Name

Example
Value
(decimal)

Example Value Description

0

Constant “0”

0

Fixed to “0” and used to clear
read data on the first scan of
the ladder program

10

Logic Status

1567

See Logic Status bit
descriptions (Appendix I)

11

Drive Error Code

0

No errors

12

Commanded Frequency

222

22.2 Hz

13

Output Frequency (feedback)

1

0.1 Hz

14

Output Current

1

0.01 A

15

DC Bus Voltage

3235

323.5 V

16

Output Voltage

118

11.8 V

20

Logic Command

18

See Logic Command bit
descriptions (Appendix I)

21

Reference

222

22.2 Hz

30

Pr. 39 - [Accel Time 1] Write Value 100

10.0 Seconds

31

Pr. 39 - [Accel Time 1] Read Value 100

10.0 Seconds

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