Mitsubishi Q68RD3-G Manuale utente

User’s Manual

(Hardware)

Q68RD3-G

Thank you for purchasing the Mitsubishi programmable controller

MELSEC-Q series.

Channel Isolated

RTD Input Module

Prior to use, please read this and relevant manuals thorougly to fully

understand the product.

MODEL Q68RD3-G-U-HW

MODEL

CODE 13JY54

IB(NA)-0800405-A(0802)MEE

A-1

SAFETY PRECAUTIONS

(Read these precautions before use.)

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. For the

safety instructions of the programmable controller system, please read the User's

Manual for the CPU module.

In this section, the safety precautions are ranked as "DANGER" and "CAUTION".

Note that the CAUTION level may lead to a serious consequence according

to the circumstances.

Always follow the precautions of both levels because they are important to

personal safety.

Please keep this manual accessible when required and always forward it to the

end user.

DANGER

Indicates that incorrect handling may cause

hazardous conditions, resulting in death or severe

injury.

Indicates that incorrect handling may cause

hazardous conditions, resulting in minor or moderate

injury or property damage.

CAUTION

A-2

[DESIGN PRECAUTIONS]

[INSTALLATION PRECAUTIONS]

DANGER

Do not write data into the "system area" of the buffer memory of intelligent

function modules. Also, do not use any "prohibited to use" signals as an

output signal to an intelligent function module from the programmable

controller CPU.

Writing data into the "system area" or outputting a signal for "prohibited to

use" may cause a programmable controller system malfunction.

CAUTION

Do not bunch the control wires or communication cables 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 may cause malfunction.

CAUTION

Use the programmable controller in the environment conditions given in the

general specifications in the User's Manual for the CPU module. Failure to do

so may cause an electric shock, fire, malfunction, or damage to or

deterioration of the product.

While pressing the installation lever located at the bottom of the module,

insert the module fixing projection into the fixing hole in the base unit, and

mount the module with using the hole as a supporting point. Incorrect module

mounting may cause a malfunction, failure, or drop of the module. After

mounting the module to the base unit securely hold the module with module

fixing bracket.

The screws must be tightened within the specified torque range. If the screw

is too loose, it may cause a drop or malfunction. Excessive tightening may

damage the screw and/or the module, resulting in a drop or malfunction.

Be sure to shut off all phases of the external power supply used by the

system before mounting or removing the module. Failure to do so may cause

damage to the product.

Do not directly touch any conductive part or electronic part of the module.

Doing so may cause a malfunction or failure of the module.

A-3

[WIRING PRECAUTIONS]

CAUTION

Always ground the shielded cables for the programmable controller.

There is a risk of electric shock or malfunction.

For wiring and connection, properly press, crimp or solder the connector with

the tools specified by the manufactures and attach the connector to the

module securely.

Be careful to prevent foreign matter such as dust or wire chips from entering

the module.

Failure to do so may cause a fire, failure or malfunction.

A protective film is attached to the module top to prevent foreign matter such

as wire chips from entering the module during wiring.

Do not remove the film during wiring.

Be sure to remove it for heat dissipation before system operation.

Be sure to place the cables connected to the module in a duct or clamp them.

If not, dangling cables may swing or inadvertently be pulled, resulting in

damage to the module and/or cables, or malfunctions due to poor cable

connection.

When disconnecting the external wiring cable connected to the module, do

not pull it by holding the cable part. Disconnect the cable with connector with

holding the connector plugged into the module. Pulling the cable part with the

cable still connected to the module may cause a malfunction or damage to

the module and/or cable.

Do not place a module near the equipment that generates magnetic noise.

A-4

Revisions

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

Print Date *Manual Number Revision

Feb., 2008 IB(NA)-0800405-A First edition

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.

A-5

CONTENTS

1. OVERVIEW .................................................................................................... 1

2. PERFORMANCE SPECIFICATIONS............................................................. 2

3. IMPLEMENTATION AND INSTALLATION..................................................... 5

3.1 Handling Precautions ............................................................................... 5

3.1.1 Mounting module fixing bracket ........................................................ 6

3.2 Installation Environment ........................................................................... 6

4. PART NAMES ................................................................................................ 7

5. WIRING .......................................................................................................... 9

5.1 Wiring Precautions ................................................................................... 9

5.2 External Wiring ....................................................................................... 10

5.3 Intelligent Function Module Switch Settings........................................... 11

6. EXTERNAL DIMENSIONS ........................................................................... 12

A-6

Manual

The following manual is also related to this product.

Order it if necessary.

Compliance with the EMC and Low Voltage Directives

(1) For programmable controller system

To configure a system meeting the requirements of the EMC and

Low Voltage Directives when incorporating the Mitsubishi

programmable controller (EMC and Low Voltage Directives

compliant) into other machinery or equipment, refer to Chapter 9

"EMC AND LOW VOLTAGE DIRECTIVES" of the QCPU User's

Manual (Hardware Design, Maintenance and Inspection).

The CE mark, indicating compliance with the EMC and Low Voltage

Directives, is printed on the rating plate of the programmable

controller.

(2) For the product

For the compliance of this product with the EMC and Low Voltage

Directives, refer to Section 5.1 "Wiring Precautions".

Related manual

Manual name Manual No.

(Model code)

Channel Isolated RTD Input Module Q68RD3-G/GX Configurator-TI

(SW1D5C-QTIU)

SH-080722ENG

(13JZ06)

1. OVERVIEW

This manual describes the specifications and part names of type

Q68RD3-G channel isolated RTD input module (hereinafter abbreviated

as Q68RD3-G) that is used with the MELSEC-Q series CPU module.

First, open the package of the Q68RD3-G and check that the following

is included.

Table 1.1 Packing List

Model Product name Quantity

Q68RD3-G Q68RD3-G Channel isolated RTD input module 1

2. PERFORMANCE SPECIFICATIONS

The following table shows the performance specifications of the

Q68RD3-G.

(1) List of Performance Specifications

Table 2.1 List of performance specifications

Item Specifications

Number of channels 8 channels

Output

Temperature

conversion value 16-bit signed binary (-2000 to 8500)

Scaling value 16-bit signed binary

Usable RTD Pt100 (JIS C 1604-1997, IEC 751 1983),

JPt100 (JIS C 1604-1981), Ni100(DIN 43760 1987)

Measured

temperature

range

Pt100 -200 to 850

JPt100 -180 to 600

Ni100 -60 to 180

Temperature detecting output

current 1.0mA or less

Degree of

conversion

accuracy *2

Pt100

-200 to

850 *1

0.8 (Ambient Temperature: 25 5 )

2.4 (Ambient Temperature: 0 to 55 )

-20 to

120 *1

0.3 (Ambient Temperature: 25 5 )

1.1 (Ambient Temperature: 0 to 55 )

0 to 200

0.4 (Ambient Temperature: 25 5 )

1.2 (Ambient Temperature: 0 to 55 )

JPt100

-180 to

600 *1

0.8 (Ambient Temperature: 25 5 )

2.4 (Ambient Temperature: 0 to 55 )

-20 to

120 *1

0.3 (Ambient Temperature: 25 5 )

1.1 (Ambient Temperature: 0 to 55 )

0 to 200

0.4 (Ambient Temperature: 25 5 )

1.2 (Ambient Temperature: 0 to 55 )

Ni100 -60 to

180 *1

0.4 (Ambient Temperature: 25 5 )

1.2 (Ambient Temperature: 0 to 55 )

Resolution 0.1

Conversion speed 320ms/8 channels *3

Number of analog input points 8 channels

Isolation specifications

Specific

isolated area

Isolation

method

Dielectric

withstand

voltage

Isolation

resistance

Between RTD

input and

programmable

controller

power supply

Transformer

isolation

500VACrms

for 1min. 500VDC

10M

or more

Between RTD

input channels

Transformer

isolation

1000VACrms

for 1min.

*1 If the resistance thermometer detectors detect the value out of measuring

range listed in the table, it corresponds to the maximum at more than 850

or the minimum at less than -200 .

*2 The sum between the degree of conversion accuracy for Q68RD3-G and that

of the tolerances for the resistance thermometer detectors is the degree of

accuracy for connecting the resistance thermometer detectors.

The calculational procedure for degree of accuracy is as follows.

(Degree of accuracy)=(Degree of conversion accuracy)+(Degree of

tolerance of resistance thermometer detector)

Item Specifications

Wire break detection Capable (channels respectively) *4

Maximum number of writes for

Flash memory 50,000

Number of I/O points occupied 16 points (I/O assignment:Intelligent 16 points)

External wiring connection system 40-pin connector

Applicable wire size 0.3mm2(AWG#22) or less

External device connection

connector (option) A6CON4

Internal current consumption

(5 VDC) 0.54A

Weight 0.20kg

Outline dimensions 102(H) 27.4(W) 130(D)mm

Table 2.2 Pt100 Tolerances (JIS C 1604-1997)

Class Tolerance

A (0.15+0.002 t )

B (0.3+0.005t)

Table 2.3 JPt100 Tolerances (JIS C 1604-1981)

Class Tolerance

0.15 (0.15+0.0015 t )

0.2 (0.15+0.002 t )

0.5 (0.3+0.005 t )

Table 2.4 Ni100 Tolerances (DIN 43760)

Class Tolerance

0 to 250 (0.4+0.007 t )

-60 to 0 (0.4+0.0028 t )

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