PROBLEM

 

 

 

ACTION

 

 

 

 

 

 

 

 

 

 

 

My reader does not communicate

1) Please check the settings of the application software and the controller.

 

with the host PC.

- Check if the product COMM ADDR is recognized by the application

 

 

software.

 

 

 

 

 

 

- Set the different COMM ADDR when two or more devices are installed.

 

 

- Check the followings when in serial communications.

 

 

 

• Check if the communication speed (57600bps) is the same as the setting

 

 

 

on the software.

 

 

 

 

 

 

• Make sure that COM port of the PC is set correctly on the software.

 

 

- When using TCP/IP RJ45

 

 

 

 

• Check the values of the IP, subnet mask, gateway and port number.

 

 

• For details on the settings, refer to the user manual of the software.

 

 

2) Check if the communication wiring is done correctly.

 

 

 

- For RS-485

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RS-485 (Single)

 

 

 

 

This product

 

RS-485/RS-232 Converter

PC

 

 

 

 

 

 

 

 

 

 

 

RS-485-A(+)

 

RS-485-A(+)

RS-232 cable

 

 

 

 

 

 

 

 

 

 

 

RS-485-B(-)

 

RS-485-B(-)

of the converter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RS-485(Multi Drop)

 

 

 

 

This product

This product

 

RS-485/RS-232

PC

 

 

 

 

Converter

 

 

 

 

 

 

 

 

 

 

 

RS-485-A(+)

RS-485-A(+)

 

RS-485-A(+)

RS-232 cable

 

 

 

 

 

 

 

 

 

 

 

RS-485-B(-)

RS-485-B(-)

 

RS-485-B(-)

of the converter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

If the multi-drop communication doesn’t work, test the communication settings one by one in sequence from the first one.

-For TCP/IP communication

Check if the link LED indicator on the rear panel flickers normally.

If it doesn’t flicker, check the cable wiring.

3)If the problem persists after you have followed the procedures above, contact a designated customer service.

TROUBLE SHOOTING

English _ 29

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Samsung SSA-R2010/EXP manual Problem