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Failure of RS232 communication between controller to xPortal Server
Author: Microengine Views: 16015 Created: 26-08-2015 11:21 AM 0 Rating/ Voters

This article contains the RS232 connection for controller XP-GT/ XP-GTR to xPortal Server PC.

Applies To:

  • XP-GT1200L, XP-GT3200L, XP-GT1200LABX, XP-GT3200LABX, XP-GT3200LE, XP-GT3200LCPX, XP-GT500LE, XP-GTR1200L, XP-GTR3200L 
 Problem
 

› Failure of RS232 communication between controller to xPortal Server.          

 Symptoms
 
› Controller status shown "Down" in Device List.
› No transaction update in the software Latest Event List.
› Controller setting does not updated when download setting from the software.
› Software Delivery Report shows sent "Error" when download setting or update card user info to the controller.
         
 Cause (optional)
 
› Comm Port faulty.
› Incorrect Comm Port No. selected.
› Incorrect controller Unit No./ System Addr No. set in the controller and software xPortal Server.
› Incorrect Baud Rate Setting in the controller and software xPortal Server.
› Loose connection between controller and Comm Port or USB to serial converter.
› Incorrect wiring connection between controller to Comm Port or USB to serial converter.
› USB to Serial converter faulty.         

 Resolution Summary
 

Pre-configuration:

  1. Connect the RS232 cable properly.
  2. Check the RS232 cable is working and in good condition.
  3. Check the Comm Port or USB to Serial converter is working.
  4. Make sure the driver of USB to serial converter has been installed correctly and detected by the Windows OS.

Server Software Setup:

  1. In Connection Setup,
    1. Set the Comm Port according to the Port No. connected to the machine.
    2. Set the Baud Rate/ Speed according to the MCI baud rate jumper settings.

  2. In Controller Setup, 
    1. Set the Controller's Unit No according to the System Addr. No in General Parameter of the controller.

  3. Configure to allow the software through Windows Firewall and antivirus.

 Resolution
 

Ensure the connection from controller to the PC is correct. Please refer to the connection guide below:


  1. Connect the controller to a RS232 cable.

  2. Please connect the cable according to the correct wire color and terminal. See table below:




  1. Set the correct System Address (ADDR) in the controller. 
    1. The address must be unique and does not same with other controllers' Address Unit No.
    2. To enter the XP-GT/ XP-GTR Programming Mode, see article small How to enter to XP-GT/ XP-GTR Programming Menu?


  2. Configure the controller from the Server software.
    1. To configure server setup using RS232, see small How to configure the XP-GT/ XP-GTR controller using RS485/ RS232 connection?
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  • Summary: This article contains the RS232 connection for controller XP-GT/ XP-GTR to xPortal Server PC.
  • Search Tags: controller to pc connection, xp-gt, xp-gtr, uplink failed, rs232 connection
Related Articles
  1. How to configure the XP-GT/ XP-GTR controller using RS485/ RS232 connection?
  2. How to enter to XP-GT/ XP-GTR Programming Menu?
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