1784-U2DHP - USB to Data Highway Plus Cable

Use this cable to upload and download RSlogix 500 ladder project into below Allen Bradley controllers.

Controller models
PLC-5/11 Processor
PLC-5/20 Processor
PLC-5/30, -5/40, -5/60, -5/80 Processor
PLC-5/40L, -5/60L Processor
PLC-5/20E Processor
PLC-5/40E, -5/80E Processor
PLC-5/20C15 Processor
PLC-5/40C15, -5/80C15 Processor
SLC-5/04

Communication on the DH+ link requires the RSLinx Classic software DF1 serial 1770-KF2/1785-KE drive.

RSLinx Classic Software, Version 2.53 and Later 

Do these steps to configure the cable device driver by using RSLinx Classic software, version 2.53 and later. 

1. Open RSLinx Classic software and then, from the Communication menu, choose Configure Drivers.
2. From the Available Driver Types pull-down menu, choose 1784-U2DHP for DH+ devices.

3. Click Add New.
4. Enter a name for the driver you just added and then click OK.

The Configure 1784-U2DHP dialog box appears.

5. Enter configuration information in each field.

Comm Port is being assign by Windows once you plug it in. Go to Windows Device Manager, open up Ports and you will see its Comm # there.

*** IMPORTANT Do not disconnect the cable without first using RSLinx Classic software to stop the driver. Disconnecting the cable without stopping the driver can shut down or cause RSLinx Classic software to become unresponsive.

The info taken from user manual
https://literature.rockwellautomation.com/idc/groups/literature/documents/in/1784-in045_-en-p.pdf

More info on SLC500 compatible cables: https://www.dmcinfo.com/latest-thinking/blog/id/9493/how-to-connect-to-an-allen-bradley-slc-500-plc