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Problem (Issue) Statement:

How to connect multiple XP-M2000i / XP-M2300i controllers to Server PC via RS485 network?

Description:

A guide to connect multiple XP-M2000i / XP-M2300i controllers to Server PC via RS485 network.

Related Software:

NA

Related Hardware:

XP-M2000i
XP-M2300i

System Application:

Door Access System
Car Park Access System

Symptom and Finding:

NA

Cause:

For first time connection on multiple XP-M2000i / XP-M2300i controllers to Server PC via RS485 network.

Solution:

Info

title	Note

For RS485 wiring connections between the controllers and the Server PC, the Daisy Chain connection topology is the recommended wiring connection.
The address of the controller must be unique (ranging from '00' to '15'), I.e. no two controllers in the same RS485 connection network can have the same address.
Each RS485 network bus can support up to a maximum of 16 controllers.

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Info

title	Knowledge Base Link

Users can refer to How to Configure RS485 Address for XP-M2000i or XP-M2300i controller for instructions to configure the RS485 address for XP-M2000i / XP-M2300i controller.

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Warning

title	Warning!

RS485 wiring connection using the Star topology may result in controller communication issues!

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Summary

Please follow wiring diagram as below:

Step 1: Wiring diagram for multiple XP-M2000i / XP-M2300i controllers to the Server PC via RS485 network:

Figure 1: Connection of multiple XP-M2000i / XP-M2300i controllers to the Server PC

Date Documentation:

19/6/2018 (Rev 1.1)

Status

subtle	true
colour	Yellow
title	Proof-read

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Section

border	true

Column

width	100%

Versions Compared

Old Version 6

New Version Current

Key

Summary

Please follow wiring diagram as below:

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