<pre>readMultipleRegisters: START
Connected
Packet: f01e00000006000330000006
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 ... 
</pre>exception 'Exception' with message 'Watchdog time expired [ 5 sec]!!! Connection to 192.192.15.51 is not established.' in /var/www/html/Modbus/phpmodbus/Phpmodbus/ModbusMaster.php:160
Stack trace:
#0 /var/www/html/Modbus/phpmodbus/Phpmodbus/ModbusMaster.php(436): ModbusMaster->rec()
#1 /var/www/html/Modbus/phpmodbus/examples/example_750841_Mmemory.php(15): ModbusMaster->readMultipleRegisters(0, 12288, 6)
#2 {main}