Mitsubishi Electric Q12DCCPU-V User manual

C Controller Module User's Manual

(Hardware Design, Function Explanation)

-Q12DCCPU-V(Basic mode)

-Q06CCPU-V

-Q06CCPU-V-B

-SW3PVC-CCPU-E

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.

The precautions given in this manual are concerned with this product only. For the safety precautions of the

programmable controller system, refer to the user's manual for the CPU module used.

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

Under some circumstances, failure to observe the precautions 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

Configure safety circuits external to the C Controller module to ensure that the entire system

operates safely even when a fault occurs in the external power supply or the C Controller module.

Failure to do so may result in an accident due to an incorrect output or malfunction.

(1) Configure external safety circuits, such as an emergency stop circuit, protection circuit, and

protective interlock circuit for forward/reverse operation or upper/lower limit positioning.

(2) If the following status (a) or (b) occurs, the system will behave accordingly.

(a) When overcurrent or overvoltage protection of the power supply module is activated, the

outputs (Y) from the user program and writing to the buffer memory are disabled, and all

outputs are turned off.

(b) When the C Controller module detects an error such as a watchdog timer error by the self-

diagnostic function, the outputs (Y) from the user program and writing to the buffer memory

are disabled. Whether to hold or turn off all outputs can be set by parameters.

All outputs may turn on when an error occurs in the part, such as I/O control part, where the C

Controller module cannot detect any error.

To ensure safety operation in such a case, provide a safety mechanism or a fail-safe circuit

external to the C Controller module. For a fail-safe circuit example, refer to "CHAPTER 6

PREPARATORY PROCEDURES AND SETTING" in this manual.

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

(3) Outputs may remain on or off due to a failure of an output module relay or transistor.

Configure an external circuit for monitoring output signals that could cause a serious accident.

In an output module, 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.

Configure a circuit so that the C Controller system is turned on first and then the external power

supply. If the external power supply is turned on first, an accident may occur due to an incorrect

output or malfunction.

For the operating status of each station after a communication failure, refer to the relevant manuals

for the network.

Incorrect output or malfunction may result in an accident.

For the following controls, configure an interlock circuit in the user program to ensure that the entire

system will always operate safely.

(1) Changing data of a running C Controller module from the development environment (personal

computer) connected

(2) Changing the operating status

(3) Operation from the development environment (personal computer)

Especially, in the case of a control from an external device to a remote C Controller module,

immediate action cannot be taken for a problem on the C Controller module due to a communication

failure.

To prevent this, configure an interlock circuit in the user program, and determine corrective actions to

be taken between the external device and C Controller module in case of a communication failure.

To maintain the safety of the C Controller system against unauthorized access from external devices

via the network, take appropriate measures. To maintain the safety against unauthorized access via

the Internet, take measures such as installing a firewall.

When configuring the system, do not leave any slot empty on the base unit.

If a slot is to be left empty, attach a blank cover (QG60).

Failure to do so may cause internal parts of the mounted modules to fly apart during a short-circuit

test or when an excess current or voltage is applied to an external I/O part by mistake.

A- 3

[Design Precautions]

[Installation Precautions]

CAUTION

Do not install the control lines or communication cables together with the main circuit lines or power

cables.

Keep a distance of 100mm (3.94 inches) or more between them.

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

When a device such as a lamp, heater, or solenoid valve is controlled through an output module, a

large current (approximately ten times greater than normal) may flow when the output is turned from

off to on. Take measures such as replacing the module with one having a sufficient current rating.

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

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

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

CAUTION

Use the C Controller module in an environment that meets the general specifications in this manual.

Failure to do so may result in an 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 mounting may cause malfunction, failure or drop of the module.

When using the module in an environment of frequent vibrations, fix the module with a screw.

Tighten the screw 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.

A- 4

[Installation Precautions]

[Wiring Precautions]

CAUTION

When using an extension cable, connect it to the connector of the base unit or module securely.

Check the connection for looseness.

Poor contact may cause incorrect input or output.

When using a CompactFlash card, fully insert it into the CompactFlash card slot.

Check that it is inserted completely.

Poor contact may cause malfunction.

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.

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.

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- 5

[Wiring Precautions]

CAUTION

Ground the FG and LG terminals to the protective ground conductor dedicated to the programmable

controller.

Failure to do so may result in electric shock 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.

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.

Securely connect the Ethernet and RS-232 cables to respective connectors of the C Controller

module.

Do not install the control lines or the communication cables together with the main circuit lines or

power cables.

Doing so may result in malfunction due to noise.

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.

Place the communication and power 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 malfunctions due to poor contact.

When disconnecting a communication or power cable from the module, do not hold and pull the

cable part.

Doing so may cause malfunction or damage to the module or cable.

For a cable with connector, hold the connected connector by hand to disconnect the cable.

For a screw-type cable, loosen the screw to disconnect the cable.

Do not connect outputs of multiple power supply modules in parallel.

The power supply modules may produce heat, causing a fire or failure.

Connectors for external connection must be crimped or pressed with the tool specified by the

manufacturer, or must be correctly soldered.

For the tool, refer to the user's manual for the relevant I/O module.

Incomplete connections could result in short circuit, fire or malfunction.

A- 6

[Startup and Maintenance Precautions]

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, solder, or throw the battery 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 for the system in all phases before cleaning the module or

retightening the terminal screws or module fixing screws.

Failure to do so may result in electric shock.

Undertightening the terminal screws can cause short circuit or malfunction.

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

For the following controls, configure an interlock circuit in the user program to ensure that the entire

system will always operate safely.

(1) Changing data of the running C Controller module from the development environment (personal

computer) connected

(2) Changing the operating status

(3) Operation from the development environment (personal computer)

Especially, in the case of a control from an external device to a remote C Controller module,

immediate action cannot be taken for a problem on the C Controller module due to a communication

failure.

To prevent this, configure an interlock circuit in the user program, and determine corrective actions to

be taken between the external device and C Controller module in case of a communication failure.

A- 7

[Startup and Maintenance Precautions]

CAUTION

Do not disassemble or modify the modules.

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

Before performing online operations (especially, program modification, forced output, and operation

status change) for the running C Controller module from the peripheral connected, read relevant

manuals carefully and ensure the safety.

Improper operation may damage machines or cause accidents.

Shut off the external power supply for the system 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 to/from the base unit more than

50 times. (IEC 61131-2 compliant)

Exceeding the limit of 50 times may cause malfunction.

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

System) more than 25cm (9.85 inches) away in all directions from the C Controller system.

Failure to do so 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 grounded metal object to discharge the static electricity from

the human body.

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

A- 8

[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 the Battery Directive in EU countries, refer to Appendix 4.)

CAUTION

When transporting lithium batteries, follow the transportation regulations. (For details of the

regulated models, refer to Appendix 3.)

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