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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
titleNote
  • 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.


Info
titleKnowledge Base Link

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


Warning
titleWarning!

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

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:
Image RemovedImage Added

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

Date Documentation:

7/5/2018

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