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Search: Posts Made By: Ken Roach
Forum: LIVE PLC Questions And Answers July 23rd, 2019, 10:25 AM
Replies: 14
Views: 952
Posted By Ken Roach
DCOMM always works

Connect your PC (built-in or USB serial port) to the 1764-LSP Channel 0 serial port with a 1761-CBL-PM02 cable.

Press the DCOMM button on the MicroLogix until the DCOMM LED indicator comes on. ...
Forum: LIVE PLC Questions And Answers July 18th, 2019, 10:51 AM
Replies: 14
Views: 952
Posted By Ken Roach
That diagram is more than 20 years old; what it...

That diagram is more than 20 years old; what it doesn't show is that the PC is running the RSLinx Classic "1747-PIC/AIC+" driver for DH-485 protocol.

That driver is not supported in any operating...
Forum: LIVE PLC Questions And Answers July 17th, 2019, 01:30 PM
Replies: 14
Views: 952
Posted By Ken Roach
Welcome to the PLCTalk Forum community ! The...

Welcome to the PLCTalk Forum community !

The network you describe is a common 3-node Data Highway 485 (DH485) protocol network.

The best way to connect directly to such a network is to use a...
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