Mitsubishi Electric GT1685 Connection Manual page 130


Direct CPU connection
(1) The network units (QJ72LP25-25, QJ72LP25G, QP72BR15) of the remote I/O station are handled as PLC CPU.
Connect the GOT to the RS-232 interface of the network unit.
For cables required for connection with the network module and other details, refer to the following.
(2) Specify a type including MELSEC-Q (including multiple), or MELSEC-QnU for the controller type on GT
Designer3. Then, specify [[NW No.] (Network No. of the remote I/O network) to 1, and specify [Station No.]
(Master station) to 0.] as the monitoring target in the network setting of the device setting dialog box. (GT16,
GT15 only)
The GOT monitors stations on the MELSECNET/H network with the transient transmission.
Therefore, a longer time-lag occurs for displaying objects compared with directly monitoring the PLC CPU.
For displaying objects with a shorter time-lag, execute the cyclic transmission so that the GOT can monitor link
devices B and W of the host station set in the MELSECNET/H network.
For settings required for the PLC CPU, refer to the following manual.
(3) To monitor other networks, set the routing parameter to the PLC CPU as necessary. For routing parameter
settings of the PLC CPU, refer to the following manual.

Computer link connection
(1) Connect the GOT to the serial communication module (QJ71C24, QJ71C24-R2, QJ71C24N, QJ71C24N-R2,
QJ71C24N-R4) or modem interface module (QJ71CMO) mounted on the remote I/O station.
For the cables required for connection with the serial communication module or modem interface module and
other details, refer to the following.
(2) Specify a type including MELSEC-Q (including multiple), or MELSEC-QnU for the controller type on GT
Designer3. Then, specify [[NW No.] (Network No. of the remote I/O network) to 1, and specify [Station No.]
(Master station) to 0.] as the monitoring target in the network setting of the device setting dialog box. (GT16,
GT15 only)
The GOT monitors stations on the MELSECNET/H network with the transient transmission.
Therefore, a longer time-lag occurs for displaying objects compared with directly monitoring the PLC CPU.
For displaying objects with a shorter time-lag, execute the cyclic transmission so that the GOT can monitor link
devices B and W of the host station set in the MELSECNET/H network.
For settings required for the PLC CPU, refer to the following manual.
(3) To monitor other networks, set the routing parameter to the PLC CPU as necessary. For routing parameter
settings of the PLC CPU, refer to the following manual.
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3. ACCESS RANGE FOR MONITORING
3.6 Connection to Remote I/O Station in MELSECNET/H Network System
6. DIRECT CONNECTION TO CPU
Q Corresponding MELSECNET/H Network System Reference Manual (Remote I/Q network)
Q corresponding MELSECNET/H Network System Reference Manual (PLC to PLC network)
7. COMPUTER LINK CONNECTION
Q Corresponding MELSECNET/H Network System Reference Manual (Remote I/Q network)
Q corresponding MELSECNET/H Network System Reference Manual (PLC to PLC network)