Specifications

Ethernet Configuration Example for MELSEC System Q
4 - 16
MITSUBISHI ELECTRIC
Still in the project navigator window, select Intelligent Function module -> QJ71MT91 and double
click on Automatic_Communication_Parameter.
Enter the following:
– the IP-Address of the head station STL-ETH1
– the Module ID
– the number of read access points (input words; "3" in this example)
– the number of write access points (output words; "5" in this example)
– the values for the Repetition Interval Timer and the Response Monitoring Timer (set both values
to "0" for an update as fast as possible)
Double click on Auto_Refresh in the selection tree for the QJ71MT91 in the project navigator win-
dow and enter the PLC devices for input and output data.
Fig. 4-11: Setting the IP address of the MODBUS master.
Abb. 4-12: Setting the automatic communication parameter