Owner's manual

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