Compliance With The Emc And Low Voltage Directives; The Manual's Usage And Structure - Mitsubishi Electric QJ71MT91 User Manual

COMPLIANCE WITH THE EMC AND LOW VOLTAGE DIRECTIVES

THE MANUAL'S USAGE AND STRUCTURE

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(1) Method of ensuring compliance
To ensure that Mitsubishi programmable controllers maintain EMC and Low
Voltage Directives when incorporated into other machinery or equipment,
certain measures may be necessary. Please refer to one of the following
manuals.
QCPU User's Manual (Hardware Design, Maintenance and Inspection)
Safety Guidelines
(This manual is included with the CPU module or base unit.)
The CE mark on the side of the programmable controller indicates compliance
with EMC and Low Voltage Directives.
(2) Additional measures
To ensure that this product maintains EMC and Low Voltage Directives, please
refer to one of the manuals listed under (1).
How to use this manual
This manual describes the pre-operation procedure and functions of the
MODBUS/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 standard functions supported by the QJ71MT91
(Chapter 4)
(a) Section 4.1 gives a list of MODBUS standard functions supported by the
QJ71MT91.
(b) Section 4.2 and 4.3 provide the frame specifications of the MODBUS
standard functions supported by the QJ71MT91.
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