Mitsubishi QJ71MT91 User Manual

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MELSEC-Q
2 SYSTEM CONFIGURATION
2.3 System Configuration and Access Range
This section provides the system configurations using the QJ71MT91. ( 1)
The target devices available for communication with the QJ71MT91 are the following
two kinds of devices.
Master/slave device supporting the MODBUS
R
/TCP protocol
Personal computer running GX Developer
1: Ethernet devices can also be installed on the Ethernet line where the
MODBUS
R
/TCP system exists. (However, communication with the QJ71MT91 is
not available.)
(1) Basic system configuration (MODBUS
R
/TCP communication)
Ethernet
Third party
programmable
controller
[Master]
User application
[Master]
Third party
programmable controller
Remote I/O
MELSEC-A series
programmable controller
(AJ71UC24-S2)
Remote I/O
[Slave]
QJ71MT91
[Master/slave function]
HMI
[Master]
CNC
[Slave]
Third party
programmable
controller
[Slave]
User application
[Slave]
QJ71MT91
[Slave function]
Accessible from QJ71MT91 (master function) to each slave
Accessible from each master to QJ71MT91 (slave function)
R
R
MODBUS /TCP
serial gateway device
MODBUS serial
slave device

Mitsubishi QJ71MT91 Specifications

General

Brand	Mitsubishi
Model	QJ71MT91
Category	Controller
Language	English