MODRTU32 driver stops with more than one plc on a serial connection under certain conditions

MODRTU32 driver stops with more than one plc on a serial connection under certain conditions

Summary

zenon 7.10 RT is connected to 2 Modbus slaves PLC with address 1 and 2 via RS485 (serial connection), but MODRTU32.exe seem to stop working in some specifc project and in certain conditions. Especially if only second PLC is active connected.

Description

zenon 7.10 RT is connected to 2 Modbus slaves PLC with address 1 and 2 via RS485 (serial connection), but MODRTU32.exe seem to stop working in some specifc project and in certain conditions. Especially if only second PLC is active connected.

Solution

Improved handling for all drivers using serial connections.



Issue Number: 30749
Fixed on Date: 31.10.2013
Versions: 7.10 0 BUILD 8129