Mitsubishi Electric QS001CPU User manual

QSCPU User's Manual

(Hardware Design, Maintenance and Inspection)

-QS001CPU

A- 1

SAFETY PRECAUTIONS

(Read these precautions before using this product.)

Before using this product, please read this manual and the relevant manuals carefully and pay full attention

to safety to handle the product correctly.

In this manual, the safety precautions are classified into two levels: " WARNING" and " CAUTION".

Under some circumstances, failure to observe the precautions given under " CAUTION" may lead to

serious consequences.

Observe the precautions of both levels because they are important for personal and system safety.

Make sure that the end users read this manual and then keep the manual in a safe place for future

reference.

[Design Precautions]

WARNING

When a safety programmable controller detects an error in an external power supply or a failure in

programmable controller, it turns off all the outputs.

Create an external circuit to securely stop the power of hazard by turning off the outputs. Incorrect

configuration may result in an accident.

Create short current protection for a safety relay, and a protection circuit such as a fuse, and

breaker, outside a safety programmable controller.

When data/program change, or status control is performed from a personal computer to a running

safety programmable controller, create an interlock circuit outside the sequence program and safety

programmable controller to ensure that the whole system always operates safely.

For the operations to a safety programmable controller, pay full attention to safety by reading the

relevant manuals carefully, and establishing the operating procedure.

Furthermore, for the online operations performed from a personal computer to a safety CPU module,

the corrective actions against a communication error due to a cable connection fault, etc. should be

predetermined as a system.

WARNING

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 minor or moderate injury or property damage.

A- 2

[Design Precautions]

WARNING

All output signals from a safety CPU module to the CC-Link Safety system master module are

prohibited to use.

These signals can be found in the CC-Link Safety System Master Module User's Manual.

Do not turn ON or OFF these signals by sequence program, since turning ON/OFF these output

signals of the programmable controller system may cause malfunctions and safety operation cannot

be guaranteed.

All output signals from a safety CPU module to the CC-Link IE Field Safety Network master/local

module (with safety functions) are prohibited to use.

These signals can be found in the MELSEC-QS CC-Link IE Field Safety Network Master/Local

User's Manual.

Do not turn ON or OFF these signals by sequence program, since turning ON/OFF these output

signals of the programmable controller system may cause malfunctions and safety operation cannot

be guaranteed.

When a safety remote I/O module has detected a CC-Link Safety error, it turns off all the outputs.

Note that the outputs in a sequence program are not automatically turned off.

If a CC-Link Safety or CC-Link IE Field Network error has been detected, create a sequence

program that turns off the outputs in the program.

If the CC-Link Safety or CC-Link IE Field Network is restored with the outputs on, it may suddenly

operate and result in an accident.

To inhibit restart without manual operation after safety functions was performed and outputs were

turned OFF, create an interlock program which uses a reset button for restart.

To prevent an illegal operation and malfunction, do not connect a safety programmable controller to

the Internet or to a wireless LAN.

CAUTION

Do not install the wires of external devices or communication cables together with the main circuit

lines or power cables. Keep a distance of 100mm or more between them.

Failure to do so may result in malfunction due to noise.

After the CPU module is powered on or is reset, the time taken to enter the RUN status varies

depending on the system configuration, parameter settings, and/or program size.

Design circuits so that the entire system will always operate safely, regardless of the time.

A- 3

[Installation Precautions]

[Wiring Precautions]

CAUTION

Use the safety programmable controller in an environment that meets the general specifications in

this manual. Failure to do so may result in electric shock, fire, malfunction, or damage to or

deterioration of the product.

To mount the module, while pressing the module mounting lever located in the lower part of the

module, fully insert the module fixing projection(s) into the hole(s) in the base unit and press the

module until it snaps into place.

Incorrect interconnection may cause malfunction, failure, or drop of the module.

Secure the module to the base unit with screws.

Tighten the screws within the specified torque range.

Undertightening can cause drop of the screw, short circuit, or malfunction.

Overtightening can damage the screw and/or module, resulting in drop, short circuit, or malfunction.

Shut off the external power supply (all phases) used in the system before mounting or removing the

module.

Failure to do so may result in damage to the product.

Do not directly touch any conductive part of the module.

Doing so can cause malfunction or failure of the module.

WARNING

Shut off the external power supply (all phases) used in the system before wiring.

Failure to do so may result in electric shock or damage to the product.

After wiring, attach the included terminal cover to the module before turning it on for operation.

Failure to do so may result in electric shock.

A- 4

[Wiring Precautions]

CAUTION

Individually ground the FG and LG terminals of the programmable controller with a ground

resistance of 100 or less.

Failure to do so may result in electric shock or malfunction.

Use a solderless terminal with insulation sleeve for wiring of a terminal block.

Use up to two solderless terminals for a single terminal.

Use applicable solderless terminals and tighten them within the specified torque range.

If any spade solderless terminal is used, it may be disconnected when a terminal block screw comes

loose, resulting in failure.

Check the rated voltage and terminal layout before wiring to the module, and connect the cables

correctly.

Connecting a power supply with a different voltage rating or incorrect wiring may cause a fire or

failure.

Tighten the terminal block mounting screws, terminal screws, and module fixing screws within the

specified torque range.

Undertightening of the terminal block mounting screws or terminal screws can cause short circuit,

fire, or malfunction.

Overtightening can damage the screw and/or module, resulting in drop, short circuit, or malfunction.

Undertightening of the module fixing screws can cause drop of the module.

Overtightening can damage the screw and/or module, resulting in drop.

Prevent foreign matter such as dust or wire chips from entering the module.

Such foreign matter can cause a fire, failure, or malfunction.

A protective film is attached to the top of the module to prevent foreign matter, such as wire chips,

from entering the module during wiring.

Do not remove the film during wiring.

Remove it for heat dissipation before system operation.

A- 5

[Wiring Precautions]

[Startup and Maintenance Precautions]

CAUTION

Mitsubishi programmable controllers must be installed in control panels.

Connect the main power supply to the power supply module in the control panel through a relay

terminal block.

Wiring and replacement of a power supply module must be performed by qualified maintenance

personnel with knowledge of protection against electric shock.

(For the wiring methods, refer to Section 10.3.)

WARNING

Do not touch any terminal while power is on.

Doing so will cause electric shock.

Correctly connect the battery connector.

Do not charge, disassemble, heat, short-circuit, or solder the battery, or throw it into the fire.

Doing so will cause the battery to produce heat, explode, or ignite, resulting in injury and fire.

Shut off the external power supply (all phases) used in the system before cleaning the module or

retightening the terminal block mounting screws, terminal screws, or module fixing screws.

Failure to do so may result in electric shock.

Tighten these screws within the specified torque range.

Undertightening of the terminal block mounting screws or terminal screws can cause short circuit,

fire, or malfunction.

Overtightening can damage the screw and/or module, resulting in drop, short circuit, or malfunction.

Undertightening of the module fixing screws can cause drop of the module.

Overtightening can damage the screw and/or module, resulting in drop.

A- 6

[Startup and Maintenance Precautions]

CAUTION

The online operations performed from a personal computer to a running safety programmable

controller (Program change when a safety CPU module is RUN, device test, and operating status

change such as RUN-STOP switching) have to be executed after the manual has been carefully

read and the safety has been ensured.

Following the operating procedure predetermined at designing, the operation has to be performed by

an instructed person.

When changing a program while a safety CPU module is RUN (Write during RUN), it may cause a

program breakdown in some operating conditions.

Fully understand the precautions described in the GX Developer's manual before use.

Do not disassemble or modify the modules.

Doing so may cause failure, malfunction, injury, or a fire.

If the product is repaired or remodeled by other than the specified FA centers or us, the warranty is

not covered.

Use any radio communication device such as a cellular phone or PHS (Personal Handy-phone

System) more than 25cm away in all directions from the programmable controller.

Failure to do so may cause malfunction.

Shut off the external power supply (all phases) used in the system before wiring.

Failure to do so may cause the module to fail or malfunction.

After the first use of the product, do not mount/remove the module to/from the base unit, and the

terminal block to/from the module more than 50 times (IEC 61131-2 compliant) respectively.

Exceeding the limit may cause malfunction.

Do not drop or apply shock to the battery to be installed in the module.

Doing so may damage the battery, causing the battery fluid to leak inside the battery.

If the battery is dropped or any shock is applied to it, dispose of it without using.

Before handling the module, touch a conducting object such as a grounded metal to discharge the

static electricity from the human body.

Failure to do so may cause the module to fail or malfunction.

A- 7

[Disposal Precautions]

[Transportation Precautions]

CAUTION

When disposing of this product, treat it as industrial waste.

When disposing of batteries, separate them from other wastes according to the local regulations.

(For details of battery regulations in EU member states, refer to Appendix 4.)

CAUTION

When transporting lithium batteries, follow the transportation regulations.

(For details of the regulated models, refer to Appendix 3.)

A- 8

CONDITIONS OF USE FOR THE PRODUCT

(1) Although MELCO has obtained the certification for Product's compliance to the international safety

standards IEC61508, ISO13849-1 from TUV Rheinland, this fact does not guarantee that Product

will be free from any malfunction or failure. The user of this Product shall comply with any and all

applicable safety standard, regulation or law and take appropriate safety measures for the system

in which the Product is installed or used and shall take the second or third safety measures other

than the Product. MELCO is not liable for damages that could have been prevented by compliance

with any applicable safety standard, regulation or law.

(2) MELCO prohibits the use of Products with or in any application involving, and MELCO shall not be

liable for a default, a liability for defect warranty, a quality assurance, negligence or other tort and a

product liability in these applications.

(a) power plants,

(b) trains, railway systems, airplanes, airline operations, other transportation systems,

(d) amusement equipments,

(e) incineration and fuel devices,

(f) handling of nuclear or hazardous materials or chemicals,

(g) mining and drilling,

(h) and other applications where the level of risk to human life, health or property are elevated.

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