How many devices are supported on the RS-485 port (COM3) of the ECC21 card in a CM4000 & CM4000T? | Schneider Electric Egypt and North East Africa

Search FAQs

How many devices are supported on the RS-485 port (COM3) of the ECC21 card in a CM4000 & CM4000T?

Issue
How many downstream devices can be connected to COM3?

Product Line
CM4 ECC21 Card

Environment
COM3 = RS-485 Serial Port

Resolution
This port supports up to 31 devices (without a repeater), since the device that holds the ECC card counts as a device. The limit is up to 63 devices with a repeater.

Released for:Schneider Electric Egypt and North East Africa

Attachment(s)

ECC21_Installation_Guide.pdf [1 MB]

Published on:7/5/2007Last Modified on:5/2/2023

Range:

ION7550/ION7650

Range:

ION7550/ION7650

Released for:Schneider Electric Egypt and North East Africa

Need help?

Start here!

Contact Support

Where to buy?

Search FAQs

Contact Sales