MgsModbus on Opta RS485

Official Hardware Opta
1

Hi.
Is here any chance for get working MgsModbus libraries on Opta RS485 ? On Mega board with Ethernet Shield V2 all works OK (I use this library because of connecting multiple TCP Masters to that TCP Slave Arduino).

I can compile code on Opta 485 but I cannot connect to Modbus.

Library is from link below -

I using slave example.
Or is here any other libraries with support for etc 5 active TCP clients in one time connected to that arduino tcp modbus slave ?? Standart ArduinoModbus allows only for one connection in time only - if I modify code for multiple clients - I can get works 3 connected client at once but if any client disconnect in "bad way" then after some time can only one TCP master connect to that device.

Thanks for help !

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