<pre>readMultipleRegisters: START
Connected
Packet: 1a6f0000000600033000000a
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/Phpmodbus08/Phpmodbus/ModbusMaster.php:166
Stack trace:
#0 /var/www/html/Modbus/Phpmodbus08/Phpmodbus/ModbusMaster.php(442): ModbusMaster->rec()
#1 /var/www/html/Modbus/Phpmodbus08/examples/example_datatype.php(11): ModbusMaster->readMultipleRegisters(0, 12288, 10)
#2 {main}