Mitsubishi Q68TD-G-H01 Manuale utente

User’s Manual

(Hardware)

Q68TD-G-H01

Thank you for purchasing the Mitsubishi programmable controller

MELSEC-Q series.

Channel Isolated Thermocouple

Input Module

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

understand the product.

MODEL Q68TD-G-H01-U-HW

MODEL

CODE 13JY36

IB(NA)-0800389-B(0810)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.

[DESIGN 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.

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 medium or slight

personal injury or physical damage.

CAUTION

A-2

[INSTALLATION PRECAUTIONS]

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, fully

insert the module fixing projection into the fixing hole in the base unit to

mount the module. Incorrect module mounting may cause a malfunction,

failure, or drop of the module. In an environment of frequent vibrations or

impacts, secure the module with screws.

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.

Always place the thermocouple at least 100mm (3.94inch) away from the

main circuit cables and AC control lines. Fully keep it away from highvoltage

cables and circuits, which include high frequency waves, such as an

inverter's load circuit. Not doing so will cause the module more susceptible to

noises, surges and inductions.

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

Jul., 2007 IB(NA)-0800389-A First edition

Oct., 2008 IB(NA)-0800389-B Partly modified

EMC and Low Voltage Directives

Section 1.1, Chapter 2, Section 3.1, 5.1, 5.2, 5.3

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

1.1 Restrictions on mountable slot position .................................................... 1

2. PERFORMANCE SPECIFICATIONS ............................................................. 3

3. IMPLEMENTATION AND INSTALLATION..................................................... 6

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

ABOUT MANUAL

The following manual is also related to this product.

In necessary, order it by quoting the details in the table below.

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 Diretives 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 Thermocouple Input Module

Q68TD-G-H01/GX Configurator-TI (SW1D5C-QTIU)

SH-080699ENG

(13JZ04)

1. OVERVIEW

This manual describes the specifications and part names of the Q68TD-

G-H01 Channel Isolated Thermocouple Input channel isolated

thermocouple input module (hereinafter abbreviated referred to as

Q68TD-G-H01) that is used with the MELSEC-Q series CPU module.

1.1 Restrictions on mountable slot position

(1) Restriction of combination use of Q68TD-G-H01 and Q68TD-G-

H02

When mounting the Q68TD-G-H01 and Q68TD-G-H02 on the base

unit, leave one slot or more than one slot of space between the

Q68TD-G-H01 and the Q68TD-G-H02.

(2) Restrictions on mountable slot position of Q68TD-G-H01

The Q68TD-G-H01 has restrictions on mountable slot position.

The following describes the restrictions of the slot position when

mounting the Q68TD-G-H01 with a combination of the power

supply module and the base unit.

For the slot that the Q68TD-G-H01 cannot be mounted, leave the

slot open or mount a module other than the Q68TD-G-H01.

The Q68TD-G-H01 has no restrictions of the combination between

a power supply module and a base unit other than the combination

listed below.

When using the Q68TD-G-H01 on the remote I/O station, the

restriction is the same as for the main base unit.

When failing to comply with the following restrictions, the accuracy

might not be in the specification range.

Power supply module Restrictions

Main base unit Extension base unit

Q63P No restrictions Mount the module to I/O slot

No.1 or later. (b)

Q63RP

Q64P Mount the module to I/O slot

No.1 or later. (a)

Mount the module to I/O slot

No.2 or later. (c)

Q64RP

(a)

Figure 1.1 Mountable slot position of Q68TD-G-H01

(b)

Figure 1.2 Mountable slot position of Q68TD-G-H01

(c)

Figure 1.3 Mountable slot position of Q68TD-G-H01

OUT

I/01 I/01

CPU

Slot

No.0

Not mountable Mountable

Power

supply Slot

No.1

Slot

No.2

OUT

I/01 I/01

Slot

No.0

Not mountable Mountable

Power

supply Slot

No.1

Slot

No.2

OUT

I/01 I/01

Slot

No.0

Not mountable Mountable

Slot

No.1

Slot

No.2

Power

supply

2. PERFORMANCE SPECIFICATIONS

The following are the performance specifications of the Q68TD-G-H01.

(1) Performance specification list

Table 2.1 List of performance specifications

Item Specifications

Number of channels 8 channels

Output

Temperature

conversion value 16-bit signed binary (-2700 to 18200)

Scaling value 16-bit signed binary

Standard with which

thermocouple conforms JIS C1602-1995,IEC 60584-1(1995),IEC60584-2(1982)

Usable thermocouples and

conversion accuracies *1 Refer to (2)

Cold junction temperature

compensation accuracy *1 1.0

Accuracy *1 Depends on the formula listed in *2

Resolution B,R,S,N : 0.3 K,E,J,T : 0.1

Conversion speed *3 320ms/8 channels

Sampling period *4 320ms/8 channels

Number of analog input points 8 channels + cold junction temperature compensation channel/module

Isolation specifications

Disconnection detection Not available *5

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) 0.49A

Weight 0.18kg

External dimensions 98(H) 27.4(W) 90(D)mm

Specific isolated area Isolation

method

Dielectric

withstand

voltage

Isolation

resistance

Between thermocouple

input and programmable

controller power supply

Transformer

isolation

500VACrms

for 1min. 500VDC

10M

or more

Between thermocouple

input channels

Transformer

isolation

1000VACrms

for 1min.

Between cold junction

temperature compensation

channel and programmable

controller power supply

No insulation - -

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