<pre>readMultipleRegisters: START
Connected
Packet: 78670000000600033000000a
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 ... 
</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_datatype.php(11): ModbusMaster->readMultipleRegisters(0, 12288, 10)
#2 {main}