How to use Modbus TCP

In this Article you will find out how to proceed or setup Modbus TCP Comunication

Conditions for Using the ModbusTcp Connection to the SmartLogger

• The network communication between the Modbus TCP client and the WAN port of the SmartLogger is normal.
• There are no firewalls or port restrictions on network devices such as route. (Mobus TCP uses port 502.)

For Example:

Or

Configure:

1,

The (default) IP of  SmartLogger WAN port is 192.168.0.10

my Modbus Tcp Tool is installed on my laptop.   The IP of my laptop is 192.168.0.99

The network communication between the Modbus TCP client and the WAN port of the SmartLogger is normal.

2,

Open the software Modbus Poll

You will click => "Monitoring" => Logger(Local) => Running Info - Line 23:

3,

Configure Modbus Poll。

Slave ID: 0 mean the Smartlogger  address。

For Example:   reading 40525 （9E4D）read the Active power of Smartlogger 

Active power of SmartLogger