Troubleshoot the OMRONFINS Communication Driver

Code

Description

Possible Causes

Solution

0

OK

Communication without problems.

Not applicable.

1

Invalid Unit

Unit number in the address field exceeds 31.

Fix the unit number, for serial connection the unit cannot exceed 31.

2

Fail to allocate memory

The driver could not allocate memory.

• Check the buffer configuration in the communication settings and try to reduce the size.

  Increase the amount of RAM memory available on your PC or HMI.

3

Invalid Answer

The answer received from the PLC has less bytes than expected.

This error should never happen unless the Communication Driver is connected to an unsupported device.

4

RX Buffer Over flow

The number of bytes sent by the PLC exceeds the configured buffer size.

Increase the buffer size in the communication settings.

5

Invalid Message Size

The answer sent by the PLC does not have the expected size.

This error should never happen unless the driver is connected to an unsupported device.

33281

Invalid Subnet

The subnet configured in the Station field is invalid.

Check if the subnet configured in the station is correct and that the subnet is properly configured in the PLC routing table.

-34

Invalid Address

Invalid address specified in Address field

Specify a valid address.

-38

Invalid Station

Invalid station specified in Station field.

Specify a valid station number.

-15

Time out waiting to start a message.

• Disconnected cables.

• PLC is turned off, or it is in Stop or Error mode.

• Incorrect station number.

• Incorrect RTS/CTS control settings.

• Wrong parity(for serial communication).

• Check the cable wiring.

• Check the PLC state. It must be in Run mode.

• Check the station number.

• Increase the time out in the driver's advanced settings.

• Check the RTS/CTS control settings in the channel settings.

-17

Time out between rx char. Invalid Block Size

• PLC in Stop or Error mode.

• Incorrect station number.

• Incorrect parity.

• Incorrect RTS/CTS control settings.

• Check the cable wiring.

• Check the PLC state. It must be in Run mode.

• Check the station number.

• Check the RTS/CTS control settings in the channel settings.