Owner's manual
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