QuickStart Guide
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Allen-Bradley
Gen 2 Drivers

AB CompactLogix Ethernet FreeTag

7min

Review the following information for setting up and configuring the AB CompactLogix Ethernet FreeTag driver.

Note: We recommend this driver for CompactLogix and ControlLogix PLCs, as it provides the best stability over other compatible drivers. If you prefer speed over stability, you can use the AB CompactLogix Ethernet Advanced.

Litmus Edge Compatible Series

Compatibility parameter

Compatible items

Driver type

Ethernet

Validated devices/series

Replaces Gen 1 driver(s)

To set up and configure this device in Litmus Edge, you will need to do the following:

  • Step 1: Set up and Configure the PLC Device
  • Step 2: Set up the PLC Device in Litmus Edge DeviceHub
  • Step 3: Configure the List of Registers

Step 1: Set up and Configure the PLC Device

If the device is configured for Ethernet access, find its network parameters. Otherwise, follow the steps below.

To configure your device:

  1. Start the Studio 5000 Logix Designer application.
  2. Select File > Open, then select your PLC project.
  3. In Controller Organizer, right-click the device and select Properties from the popup menu. The Module Properties dialog box appears.
  4. Select the Port Configuration tab.
  5. Copy aside the IP address from the IP address field.

Step 2: Set up the PLC Device in Litmus Edge DeviceHub



Parameter

Value

Type

Allen-Bradley

Driver

AB CompactLogix Ethernet FreeTag

Network Address

The device address you defined in Step 1

Port

44818

Slot

0

Step 3: Configure the List of Registers

Browse for tags to add to this FreeTag device. See Browse Tags to learn more. Alternatively, when you Add Tags, type the tag name in the Name field exactly as it is defined in the device (case-sensitive). You can find a list of tags by navigating to Controller Organizer > Controller > Controller Tags in Studio 5000 Logix Designer.

The following data types are supported:

  • bool
  • byte
  • sint
  • int
  • dint
  • real
  • dword
  • lint
  • lreal
  • string

Addressing Tips

  • To access the bits of a dint tag, use the data type bool and append the bit address (.0 to .31) to the name of the dint tag.
  • To access the elements of a two- or three-dimensional array, use multiple square brackets instead of commas to separate the indices. For example, if the array in RSLogix 5000 has the name MyArray with the data type dint[2,2,2], you can access the 0th index by entering MyArray[0][0][0] in Litmus Edge.

Refer to the following tag parameters in Litmus Edge.