Hi!

I get the following exception when trying to read the data:

readCoils: START
Connected
Packet: e4e30000000600013000000c
Send
Wait data ...
Wait data ...
Wait data ...
Wait data ...
Wait data ...
Wait data ...
Wait data ...
Wait data ...
Wait data ...
Wait data ...
Wait data ...
Wait data ...
Wait data ...
Wait data ...
Wait data ...
Wait data ...

Exception: Watchdog time expired [ 5 sec]!!! Connection to 192.168.132.231 is not established. in C:\xampp\htdocs\Phpmodbus\ModbusMaster.php:160 Stack trace: #0 C:\xampp\htdocs\Phpmodbus\ModbusMaster.php(228): ModbusMaster->rec() #1 C:\xampp\htdocs\index.php(10): ModbusMaster->readCoils(0, 12288, 12) #2 {main}

Any idea why?

Thank you!