Introduction to ControlLogix Messaging over DH+ ControlLogix Messaging over DH+ allows us to read or write data over a DH+ Network. In this case, we will send a message to a PLC-5. We also use the same procedure to send a message to a SLC 5/04 over DH+. The PLC-5 Read More »
Introduction to the ControlLogix 1756-DHRIO Module The ControlLogix 1756-DHRIO module allows you to interface with the older Data Highway Plus (DH+) Network. You can also connect to a maximum of four Remote I/O Racks per channel. Each 1756-DHRIO module has 2 ports. Each of which will support DH+ or Remote Read More »
Introduction to the 1785-KE Module The 1785-KE module allows you to easily interface with a Data Highway Plus (DH+) Network. Although there are other ways to interface with DH+, I have found this method to be the most cost effective. For example: The 1784-U2DHP module could cost over $2000. You Read More »
