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The Manual's Usage and Structure
How to use this manual
This manual describes the pre-operation procedure, functions, etc. by use of the
MODBUS
R
/TCP interface module (QJ71MT91) on a purpose-by-purpose basis.
Refer to the corresponding section when you need to know the following:
(1) Features (Chapter 1)
Chapter 1 describes the features of the QJ71MT91.
(2) System configuration (Chapter 2)
(a) Section 2.1 describes the applicable programmable controller CPUs and
compatible software packages.
(b) Section 2.2 describes the devices necessary to configure a network.
(c) Section 2.3 describes the system configurations that use the QJ71MT91 and
the accessible range.
(3) Performance and specifications (Chapter 3)
(a) Section 3.1 provides the performance specifications of the QJ71MT91.
(b) Section 3.2 and 3.3 give the I/O signal and buffer memory lists of the
QJ71MT91.
(4) MODBUS
R
standard functions supported by the QJ71MT91
(Chapter 4)
(a) Section 4.1 gives a list of MODBUS
R
standard functions supported by the
QJ71MT91.
(b) Section 4.2 and 4.3 provide the frame specifications of the MODBUS
R
standard functions supported by the QJ71MT91.
(5) Usable functions (Chapter 5)
Chapter 5 describes the functions of the QJ71MT91.
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