Connecting 1769-L20 CompactLogix Controllers on Ethernet

7-13

 

 

Configure RSLINX and

Download The Program To

The 1769-L20

In the File Number column enter 12. Under the Tag Name, click on the right side in the white box to reveal your Controller Tags and select the tag name you created for this purpose (“Data_From_505” for this example). More than one entry may be mapped. When finished, your Map PLC/SLC screen for the L20 controller should look like the following:

Figure 7.12 File Mapping for the L20 Controller in RSLogix 5000

Save your program.

The ladder program written for the L20 controller is downloaded to the controller via the two ENI modules. A full-duplex DF1 driver must be configured in RSLINX to initiate the download to ENI #1.

Start RSLINX. From the “Communication” pull down menu, select “Configure Drivers”. From the Configure Driver screen, click on the arrow next to the “Available Drivers Box” to reveal all RSLINX drivers. Click on “RS232 DF1 devices”, then click on “Add New”. Click OK to the “AB_DF1-1” driver name that appears. The “Configure RS232 DF1 Devices” screen appears. Modify the DF1 parameters on this screen to look like the following:

Publication 1761-UM006A-EN-P - February 2001