Rockwell Automation 22-SCM-232 Serial Converter Module User Manual
Page 81
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PLC-5 Example Ladder Program
G-5
The data table used by the example ladder program is explained below:
Figure G.2 PLC-5 Ladder Example Data Table Values
The following screens (
Figure G.3
to
Figure G.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
1807
See Logic Status bit
descriptions (Appendix I)
11
Drive Error Code
0
No errors
12
Commanded Frequency
350
35.0 Hz
13
Output Frequency (feedback)
350
35.0 Hz
14
Output Current
1
0.01 A
15
DC Bus Voltage
3228
322.8 V
16
Output Voltage
1397
139.7 V
20
Logic Command
18
See Logic Command bit
descriptions (Appendix I)
21
Reference
350
35.0 Hz
30
Pr. 39 - [Accel Time 1] Write Value 44
4.4 Seconds
31
Pr. 39 - [Accel Time 1] Read Value 44
4.4 Seconds