How to set the Ethernet IP Address of a SLC-5/05 Controller using RSLogix.

Setting a SLC-5/05’s IP Address Offline:

If you have a project file for your SLC-5/05 controller that your want to edit and download, follow these steps:

1) Open your project in RSLogix 500:

2) Now in the Project Tree double click on “Channel Configuration” to open it:

3) Select the Channel 1 tab, then if either BOOTP or DHCP is selected, un-select it:

4) Now enter in your in your IP Address and Subnet Mask at a minimum. If any devices will be accessing this PLC from another Subnet, also enter in the Default Gateway for the PLC’s Subnet.

NOTE: To learn more about IP Addresses, Subnets, and Gateways, check out this article HERE.

5) Now click on “Apply,” and then “OK,” then save your project.

6) You are now ready to download the program with the new IP Address to your SLC-5/05, which you can learn how to do via Ethernet HERE, or via Serial HERE.

7) After downloading, I recommend transferring the newly downloaded program to the controller’s Memory Module (if you have one installed.)

Setting a SLC-5/05’s IP Address Online:

1) Setup RSLinx Classic and go online with your SLC-5/05. If you are unfamiliar with how to do this follow my step-by-step article HERE:

2) Once online, double click on “Channel Configuration” in the Project Tree to open it:

3) Select the Channel 1 tab, and if either BOOTP or DHCP is selected un-select it:

4) Now, at a minimum you must enter in your in your IP Address and Subnet Mask. Also, if any devices will be accessing this PLC from another Subnet through a router, also enter in the Default Gateway for this PLC’s Subnet.

NOTE: To learn more about IP Addresses, Subnets, and Gateways, check out this article HERE.

5) If you’re asked to Apply the changes, first read the notice prior to clicking on “Apply.” Also note that if you’re connected via Ethernet, and you change the IP Address, your PC and anything else connected via the old Ethernet address will be disconnected:

6) If the processor is in remote Run mode, you will need to confirm the change to remote program mode to update the IP Address (and as mentioned above you may be disconnected afterwards:)

7) If you are still connected and were in the remote Run mode earlier, you will be asked if you’d like to return the controller to remote Run mode:

8) At this point, I recommend uploading and saving your updated SLC-5/05 project, and then transferring the updated program to the controller’s Memory Module if you have one installed.

I hope today’s article about how to set a SLC-5/05’s Ethernet Address using RSLogix 500 was helpful.

If you have any questions, comments, or suggestions, please feel free to post the by clicking on the “Click here to post a comment or question” link below.

Until next time, Peace ✌️ 

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Shawn M Tierney
Technology Enthusiast & Content Creator

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