Mitsubishi Electric WS0-CPU0 Manuale utente

Safety Controller Setting and Monitoring Tool

Operating Manual

-WS0-CPU0

-WS0-CPU1

-WS0-CPU3

-SW1DNN-WS0ADR-B

This document is protected by the law of copyright, whereby all rights established

therein remain with the company Mitsubishi Electric Corporation. Reproduction of this

document or parts of this document is only permissible within the limits of the legal

determination of Copyright Law. Alteration or abridgement of the document is not

permitted without the explicit written approval of the company Mitsubishi Electric

Corporation.

Precautions regarding warranty and specifications

MELSEC-WS series products are jointly developed and manufactured by Mitsubishi

and SICK AG, Industrial Safety Systems, in Germany.

Note that there are some precautions regarding warranty and specifications of

MELSEC-WS series products.

The gratis warranty term of the product shall be for one (1) year after the date of

delivery or for eighteen (18) months after manufacturing, whichever is less.

The onerous repair term after discontinuation of production shall be for four (4)

years.

Mitsubishi shall mainly replace the product that needs a repair.

It may take some time to respond to the problem or repair the product depending on

the condition and timing.

General specifications of the products differ.

MELSEC-WS MELSEC-Q MELSEC-QS

Operating ambient temperature -25 to 55°C*1 0 to 55°C 0 to 55°C

Operating ambient humidity 10 to 95%RH 5 to 95%RH 5 to 95%RH

Storage ambient temperature -25 to 70°C -25 to 75°C -40 to 75°C

Storage ambient humidity 10 to 95%RH 5 to 95%RH 5 to 95%RH

*1 When the WS0-GCC100202 is included in the system, operating ambient temperature will

be 0 to 55 °C.

EMC standards that are applicable to the products differ.

MELSEC-WS MELSEC-Q, MELSEC-QS

EMC standards EN61000-6-2, EN55011 EN61131-2

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 the MELSEC-WS safety controller detects a fault in the external power supply or itself, it turns

off the outputs. Configure an external circuit so that the connected devices are powered off

according to the output status (off) of the MELSEC-WS safety controller. Incorrect configuration may

result in an accident.

When a load current exceeding the rated current or an overcurrent caused by a load short-circuit

flows for a long time, it may cause smoke and fire. To prevent this, configure an external safety

circuit, such as a fuse.

For safety relays, configure an external circuit using a device such as a fuse or breaker to protect a

short-circuit current.

When changing data and operating status, and modifying program of the running MELSEC-WS

safety controller from the PC, configure a safety circuit in the sequence program or external to the

MELSEC-WS safety controller to ensure that the entire system operates safely.

Before operating the MELSEC-WS safety controller, read the relevant manuals carefully and

determine the operating procedure so that the safety can be ensured.

Furthermore, before performing online operations for the MELSEC-WS safety controller from the

PC, determine corrective actions to be taken for communication errors caused by failure such as a

poor contact.

Create an interlock program using a reset button to prevent the MELSEC-WS safety controller from

restarting automatically after the safety function is activated and the safety controller turns off the

outputs.

CAUTION

Ensure that an entire system using the MELSEC-WS safety controller meets the requirements for

the corresponding safety category.

The life of safety relays in the safety relay output module depends on the switching condition and/or

load. Configure a system satisfying the number of switching times of the safety relays in the

module.

Do not install the communication cables together with the main circuit lines or power cables. Keep a

distance of 100 mm or more between them.

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

If a mechanical switch such as a relay is connected to an input terminal of a safety I/O module,

consider contact bounce.

Observe the protective notes and measures.

Observe the following items in order to ensure proper use of the MELSEC-WS safety controller.

When mounting, installing and using the MELSEC-WS safety controller, observe the standards

and directives applicable in your country.

The national/international rules and regulations apply to the installation, use and periodic

technical inspection of the MELSEC-WS safety controller, in particular.

Machinery Directive 2006/42/EC

EMC Directive 2004/108/EC

Provision and Use of Work Equipment Directive 89/655/EC

Low-Voltage Directive 2006/95/EC

The work safety regulations/safety rules

Manufacturers and owners of the machine on which a MELSEC-WS safety controller is used are

responsible for obtaining and observing all applicable safety regulations and rules.

The notices, in particular the test notices of this manual (e.g. on use, mounting, installation or

integration into the existing machine controller), must be observed.

The test must be carried out by specialised personnel or specially qualified and authorized

personnel and must be recorded and documented and retraced at any time by third parties.

The external voltage supply of the device must be capable of buffering brief mains voltage failures

of 20 ms as specified in EN 60204.

The modules of the MELSEC-WS safety controller conform to Class A, Group 1, in accordance

with EN 55011. Group 1 encompasses all the ISM devices in which intentionally generated

and/or used conductor-bound RF energy that is required for the inner function of the device itself

occurs.

The MELSEC-WS safety controller fulfils the requirements of Class A (industrial

applications) in accordance with the “Interference emission” basic specifications.

The MELSEC-WS safety controller is therefore only suitable for use in an industrial environment

and not for private use.

[Installation Precautions]

WARNING

Do not use the MELSEC-WS safety controller in flammable gas atmosphere or explosive gas

atmosphere. Doing so may result in a fire or explosion due to such as an arc caused by switching

the relays.

CAUTION

Use the MELSEC-WS safety 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.

Latch the module onto the DIN mounting rail. Incorrect mounting may cause malfunction, failure or

drop of the module.

To ensure full electromagnetic compatibility (EMC), the DIN mounting rail has to be connected to

functional earth (FE).

Ensure that the earthling contact is positioned correctly. The earthling spring contact of the module

must contact the DIN mounting rail securely to allow electrical conductivity.

Shut off the external power supply for the system in all phases 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.

The MELSEC-WS safety controller is only suitable for mounting in a control cabinet with at least IP

54 degree of protection.

Failure to meet the installation method may cause the module to fail or malfunction due to the

deposition of dust or the adhesion of water.

[Wiring Precautions]

WARNING

Shut off the external power supply for the system in all phases before wiring.

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

The system could start up unexpectedly while you are connecting the devices.

CAUTION

Individually ground the GND wires of the MELSEC-WS safety controller with a ground resistance of

100 Ωor less.

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

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 screw within the specified torque range.

Undertightening can cause short circuit, fire, or malfunction. Overtightening can damage the screw

and/or module, resulting in drop, short circuit, or malfunction.

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

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

Mitsubishi MELSEC-WS safety controllers must be installed in control cabinets. Connect the main

power supply to the MELSEC-WS safety controller through a relay terminal block.

Wiring and replacement of an external power supply must be performed by maintenance personnel

who is familiar with protection against electric shock. (For wiring methods, refer to Chapter 7.)

Place the cables in a duct or clamp them.

If not, dangling cable may swing or inadvertently be pulled, resulting in damage to the module or

cables or malfunction due to poor contact.

[Startup and Maintenance Precautions]

WARNING

Do not touch any terminal while power is on.

Doing so will cause electric shock.

Shut off the external power supply for the system in all phases before cleaning the module or

retightening the terminal screws. Failure to do so may result in electric shock.

Tighten the terminal screw within the specified torque range. Undertightening can cause short

circuit, fire, or malfunction.

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

Safety-oriented devices must be suitable for safety related signals.

A function interruption of safety outputs results in a loss of the safety functions so that the risk of

serious injury exists.

Do not connect any loads that exceed the rated values of the safety outputs.

Wire the MELSEC-WS safety controller so that 24 V DC signals cannot unintentionally contact

safety outputs.

Connect the GND wires of the power supply to earth so that the devices do not switch on when the

safety output line is applied to frame potential.

Use suitable components or devices that fulfill all the applicable regulations and standards.

Actuators at the outputs can be wired single-channeled. In order to maintain the respective Safety

Integrity Level the lines have to be routed in such a manner that cross circuits to other live signals

can be excluded, for example by routing them within protected areas such as in a control cabinet or

in separate sheathed cables.

CAUTION

Before performing online operations (Force mode) for the running MELSEC-WS safety controller

from the PC, read the relevant manuals carefully and ensure the safety.

The online operations must be performed by qualified personnel, following the operating procedure

determined at designing.

Fully understand the precautions described in the Safety Controller Setting and Monitoring Tool

Operating Manual before use.

Do not disassemble or modify the modules.

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

Mitsubishi does not warrant any products repaired or modified by persons other than Mitsubishi or

FA Center authorized by Mitsubishi.

Shut off the external power supply for the MELSEC-WS safety controller in all phases before

mounting or removing the module.

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 from/to the DIN mounting rail,

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

Exceeding the limit of 50 times may cause malfunction.

Before handling the module, touch a grounded metal object to discharge the static electricity from

the human body.

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

[Disposal Precautions]

CAUTION

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

Disposal of the product should always occur in accordance with the applicable country-specific

waste-disposal regulations (e.g. European Waste Code 16 02 14).

CONDITIONS OF USE FOR THE PRODUCT 

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

standards IEC61508, EN954-1/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.

1) power plants,

2) trains, railway systems, airplanes, airline operations, other transportation systems,

3) hospitals, medical care, dialysis and life support facilities or equipment,

4) amusement equipments,

5) incineration and fuel devices,

6) handling of nuclear or hazardous materials or chemicals,

7) mining and drilling,

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

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