Rockwell Automation 22-SCM-232 Serial Converter Module User Manual
Page 89
ControlLogix/CompactLogix Example Ladder Program
H-5
The data table used by the example ladder program is explained below:
Figure H.2 ControlLogix Ladder Example Data Table Values
Tag Name
Description
Example
Value
(decimal)
Example Value Description
Constant_0
Constant “0”
0
Fixed to “0” and used to
clear read data on the first
scan of the ladder program
DriveReadData[0]
Logic Status
1807
See Logic Status bit
descriptions (Appendix I)
DriveReadData[1]
Drive Error Code
0
No errors
DriveReadData[2]
Commanded Frequency
543
54.3 Hz
DriveReadData[3]
Output Frequency (feedback)
543
54.3 Hz
DriveReadData[4]
Output Current
1
0.01 A
DriveReadData[5]
DC Bus Voltage
3216
321.6 V
DriveReadData[6]
Output Voltage
2137
213.7 V
Logic_Command
Logic Command
18
See Logic Command bit
descriptions (Appendix I)
Reference
Speed Reference
543
54.3 Hz
Parameter39_RDValue
Pr. 39 - [Accel Time 1] Read Value 50
50.0 Seconds
Parameter39_WRValue Pr. 39 - [Accel Time 1] Write Value 50
50.0 Seconds