Mitsubishi QJ71AS92 User Manual

AS-i Master Module

User’s Manual

(Hardware)

QJ71AS92

Thank you for purchasing the Mitsubishi programmable controller

MELSEC-Q series.

Prior to use, please read this and relevant manuals thoroughly to

fully understand the product.

MODEL QJ71AS92-U-H
MODEL

CODE

13JT88

IB(NA)-0800225-D(0807)MEE

2002 MITSUBISHI ELECTRIC CORPORATION

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DANGER

CAUTION

z SAFETY PRECAUTIONS z

(Always read these instructions before using this equipment.)

Before using this product, please read this manual and the relevant manuals
introduced in this manual carefully and pay full attention to safety to handle the
product correctly.
The instructions given in this manual are concerned with this product only. For
the safety instructions of the programmable controller system, please read the
user's manual for the CPU module to use.
In this manual, the safety instructions are ranked as "DANGER" and "CAUTION".

Indicates that incorrect handling may cause hazardous
conditions, resulting in death or severe injury.

Indicates that incorrect handling may cause hazardous
conditions, resulting in medium or slight personal injury or
physical damage.

Note that the

CAUTION level may lead to a serious consequence according

to the circumstances.
Always follow the instructions of both levels because they are important to
personal safety.
Please save this manual to make it accessible when required and always forward
it to the end user.

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[Design Precautions]

CAUTION

z Do not bunch AS-i cable with the main circuit or power wires, or install them

close to each other.
They should be installed 100 mm (3.94 inch) or more from each other.
Not doing so could result in noise that would cause erroneous operation.

[Installation Precautions]

CAUTION

z Use the programmable controller in an environment that meets the general

specifications in CPU module User’s Manual.
Using the programmable controller in an environment outside the range of
the general specifications could result in electric shock, fire, erroneous
operation, and damage to or deterioration of the product.

z Do not touch conductive parts or electronic components of the module with

your bare hands.
This could cause malfunction or failure of the module.

z While pressing the lever on the lower part of the module, fully insert the

module fixing latch into the hole of the base unit, snap the module into place,
and tighten the module fixing screws with the specified torque.
Failure to observe this could result in damage to the screws or module,
module falling, short or misoperation.
If the screws are tightened excessively, it may damage the screws and
cause the module to short-circuit, malfunction or fall off.

z Always shut off all phases of the programmable controller power supply and

AS-i power supply externally before mounting or removing the module.
Failure to shut off all phases could lead to product damage.

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[Wiring Precautions]

DANGER

z Switch off all phases of the programmable controller power supply and AS-i

power supply outside the programmable controller before starting installing
or wiring work.
There is a risk of electric shock or malfunction.

CAUTION

z Always confirm the products terminal layout before wiring to the module.

Incorrect wiring could lead to fires or faults.

z Wiring installation screws to the specified torque.

If a wiring installation screws is not tightened to the specified torque, the
module may fall out, short circuit, or malfunction.
If a wiring installation screws is tightened excessively, exceeding the
specified torque, the module may fall out, short circuit, or malfunction due to
breakage of the screw or the module.

z Make sure that no foreign matter such as chips or wire offcuts gets inside the

module.
It will cause fire, failure, or malfunction.

z A label is installed at the upper part of a module to prevent the entry of foreign

matters.
Do not remove the label during wiring.
However, be sure to remove it for heat dissipation during system operation.

z To connect the AS-i cable to the module, the cable must be securely fixed.

Please be sure to run it in a duct, or clamp it.
Failure to observe this could cause the unstable cable connection, resulting
in damage to the cable or module by carelessly pulling the cable, or the
system malfunction due to poor cable connection.

z When removing AS-i cable from a module, do not pull it out by hand.

Always be sure to unscrew the module mounting screws in advance.
If the cable is pulled while being connected to the module, it could cause
damage to the cable or module, or the system malfunction due to poor cable
connection.

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Revisions

*The manual number is given on the bottom right of the top cover.

Print Date *Manual Number Revision

Mar., 2002 IB(NA)-0800225-A First edition

Jun., 2004 IB(NA)-0800225-B

Partial correction

SAFETY PRECAUTIONS, Section 3.1, 5.1

Mar., 2006 IB(NA)-0800225-C

Partial correction
SAFETY PRECAUTIONS, Compliance
with the EMC and Low Voltage Directives,
Chapter 1, 2

Jul., 2008 IB(NA)-0800225-D

Change of a term

"PLC" was changed to "programmable
controller".

Partial correction

Compliance with the EMC and Low Voltage
Directives, Section 3.1, Chapter 4, 6

This manual confers no industrial property rights or any rights of any other kind, nor does it
confer any patent licenses. Mitsubishi electric Corporation cannot be held responsible for
any problems involving industrial property rights which may occur as a result of using the
contents noted in this manual.

 2002 MITSUBISHI ELECTRIC CORPORATION