MODBUS TCP – Unable to write data to the transport connection

[Marko]

Hello,
I have problem with connection with modbus tcp device. If i put period time in communicator for more then 20 sec every second attempt will result as error.
Here are the logs.

2018-05-14 12:54:40 Establish a TCP connection with 192.168.xxx.xxx:502

2018-05-14 12:54:40 Communication session with the Device 91 “HMI-Kancelarija”, type: KpModbus, address: 1, call number: 192.168.xxx.xxx
Request element group “Read”
Send (12): 00 00 00 00 00 06 01 03 00 00 00 03
Receive (7/7): 00 00 00 00 00 09 01
Receive (8/8): 03 06 00 35 00 31 00 45
OK!

2018-05-14 12:55:00 Communication session with the Device 91 “HMI-Kancelarija”, type: KpModbus, address: 1, call number: 192.168.xxx.xxx
Request element group “Read”
Error writing data: Unable to write data to the transport connection: An existing connection was forcibly closed by the remote host.
Receive (0/7):
Communication error!
Unable to request because connection is not established
Unable to request because connection is not established

[Mikhail]

Hi,
Untick “Stay connected” checkbox in the properties of communication layer.

[Author]

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