Yesterday we discussed replacing a Fixed SLC-500 with a MicroLogix. However, if the replaced SLC was on a DH-485 network, most ikely the replacement will also need to be.

What is DH-485?

DH-485 is a protocol that was originally only available in the SLC-500 family of PLC's via RS-485 ports dedicated for that purpose. However, since DH-485...

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