Rockwell ControlLogix
Estimated reading time: 2 minutes
Refer to these sections for details:
Supported Series
Rockwell Automation Allen-Bradley ControlLogix, CompactLogix, FlexLogix Ethernet, CompactLogix 1768-L43 1768-L45 with 1768-ENBT/A Ethernet module.
Website: http://ab.rockwellautomation.com/
Certain device drivers will not have a list of register names in the DeviceHub Add Tag form. These are Free Tag PLCs. For Free Tag requirements, see Troubleshoot Device Connectivity Status.
PLC Connection Settings
Parameters | Recommended | Options | Notes |
---|---|---|---|
PLC Type | Rockwell EtherNet/IP (ControlLogix) | ||
PLC Interface | Ethernet |
|
|
Port # | 44818 | ||
PLC Station # | Same as CPU Slot # |
PLC Configuration
The setup shown here is for the Rockwell Automation Allen-Bradley ControlLogix PLC.
The instructions listed here provide only the basic configuration steps. Refer to the Rockwell Automation Allen-Bradley PLC documentation for current, complete details.
- Set the PLC IP address.
- Create new tags (Controller and Program tags supported).
- Export tag data to a CSV file: Tools > Export > Tags and Logic Comments.
Note: The separator in the CSV file must be a comma. - Open the OTLink, select the driver and set the IP address.
- Click DataType to open the Structure Editor to edit the data type of the tags and edit the data type of the ProgramTag.
- In System Parameter Settings, click Import Tag and select the CSV file.
- In the Object dialog, select PLC Tag Address.
OT Link Platform DeviceHub Configuration
To configure DeviceHub for this ControlLogix PLC:
-
DeviceHub > Add Device
Type: Allen-Bradley
Driver: AB ControlLogix -
Enter details specific to your environment and click Add Device.
Device Addresses
PLC Data Type |
Bit/Word |
Data Format |
Description |
|
---|---|---|---|---|
BOOL |
Boolean |
Bit object |
||
BitArray |
||||
SINT |
||||
INT |
Integer |
16-bit signed, ASCII |
-32768 ~ 32767 |
|
DINT |
Double Integer |
32-bit signed |
-231 ~ (231 - 1) |
|
REAL |
Single Precision Float |
32-bit Float |
IEEE 754 |