SMC Networks VFR6000 Series User manual

Doc. No.VFR6000-OMA0001-B

5 Port Solenoid Valve

PRODUC NAME

VFR6000 Series

MODEL/ Series

VFR6000-OMA0001-B

Contents

Safety Instructions ---------------------------------------------------------------------------- 2, 3

Precautions on Design ---------------------------------------------------------------------- 4, 5

Selection ---------------------------------------------------------------------------------------- 4, 5

Mounting ---------------------------------------------------------------------------------------- 5

Piping -------------------------------------------------------------------------------------------- 6

Wiring -------------------------------------------------------------------------------------------- 6

Lubrication -------------------------------------------------------------------------------------- 6

Air Supply --------------------------------------------------------------------------------------- 6, 7

Operating Environment ---------------------------------------------------------------------- 7

Maintenance ------------------------------------------------------------------------------------ 7

Specific Product Precautions --------------------------------------------------------------- 8, 9, 10

rouble shooting ------------------------------------------------------------------------------- 11

Remedy ------------------------------------------------------------------------------------------ 12

-1-

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VFR6000-OMA0001-B

Safety Instructions

These safety instructions are intended to prevent hazardous situations and/or e uipment damage.

These instructions indicate the level of potential hazard with the labels of “Caution,” “Warning” or “Danger.”

They are all important notes for safety and must be followed in addition to International Standards

(ISO/IEC)*1) , and other safety regulations.

*1) ISO 4414: Pneumatic fluid power -- General rules relating to systems

ISO 4413: Hydraulic fluid power -- General rules relating to systems

IEC 60204-1: Safety of machinery -- Electrical e uipment of machines (Part 1: General re uirements)

ISO 10218-1992: Manipulating industrial robots -Safety.

etc.

Caution

indicates a hazard with a low level of risk which, if not avoided, could result

in minor or moderate injury.

Warning

indicates a hazard with a medium level of risk which, if not avoided, could

result in death or serious injury.

Danger

indicates a hazard with a high level of risk which, if not avoided, will result

in death or serious injury.

Warning

1. The compatibility of the product is the responsibility of the person who designs the equipment or

decides its specifications.

Since the product specified here is used under various operating conditions, its compatibility with specific

e uipment must be decided by the person who designs the e uipment or decides its specifications based on

necessary analysis and test results.

The expected performance and safety assurance of the e uipment will be the responsibility of the person who

has determined its compatibility with the product.

This person should also continuously review all specifications of the product referring to its latest catalog

information, with a view to giving due consideration to any possibility of e uipment failure when configuring the

e uipment.

2. nly personnel with appropriate training should operate machinery and equipment.

The product specified here may become unsafe if handled incorrectly.

The assembly, operation and maintenance of machines or e uipment including our products must be

performed by an operator who is appropriately trained and experienced.

3. Do not service or attempt to remove product and machinery/equipment until safety is confirmed.

1.The inspection and maintenance of machinery/e uipment should only be performed after measures to

prevent falling or runaway of the driven objects have been confirmed.

2.When the product is to be removed, confirm that the safety measures as mentioned above are implemented

and the power from any appropriate source is cut, and read and understand the specific product precautions

of all relevant products carefully.

3. Before machinery/e uipment is restarted, take measures to prevent unexpected operation and malfunction.

4. Contact SMC beforehand and take special consideration of safety measures if the product is to

be used in any of the following conditions.

1. Conditions and environments outside of the given specifications, or use outdoors or in a place exposed to

direct sunlight.

2. Installation on e uipment in conjunction with atomic energy, railways, air navigation, space, shipping,

vehicles, military, medical treatment, combustion and recreation, or e uipment in contact with food and

beverages, emergency stop circuits, clutch and brake circuits in press applications, safety e uipment or

other applications unsuitable for the standard specifications described in the product catalog.

3. An application which could have negative effects on people, property, or animals re uiring special safety

analysis.

4.Use in an interlock circuit, which re uires the provision of double interlock for possible failure by using a

mechanical protective function, and periodical checks to confirm proper operation.

- 3 -

VFR6000-OMA0001-B

Safety Instructions

Caution

1.The product is provided for use in manufacturing industries.

The product herein described is basically provided for peaceful use in manufacturing industries.

If considering using the product in other industries, consult SMC beforehand and exchange specifications

or a contract if necessary.

If anything is unclear, contact your nearest sales branch.

Limited warranty and Disclaimer/Compliance Requirements

The product used is subject to the following “Limited warranty and Disclaimer” and “Compliance

Re uirements”.

Read and accept them before using the product.

Limited warranty and Disclaimer

1.The warranty period of the product is 1 year in service or 1.5 years after the product is

delivered.∗

∗∗

∗2)

Also, the product may have specified durability, running distance or replacement parts. Please

consult your nearest sales branch.

2. For any failure or damage reported within the warranty period which is clearly our responsibility,

a replacement product or necessary parts will be provided.

This limited warranty applies only to our product independently, and not to any other damage

incurred due to the failure of the product.

3. Prior to using SMC products, please read and understand the warranty terms and disclaimers

noted in the specified catalog for the particular products.

∗

∗∗

∗2)

Vacuum pads are excluded from this 1 year warranty.

A vacuum pad is a consumable part, so it is warranted for a year after it is delivered.

Also, even within the warranty period, the wear of a product due to the use of the vacuum

pad or failure due to the deterioration of rubber material are not covered by the limited

warranty.

Compliance Requirements

1. The use of SMC products with production equipment for the manufacture of weapons of mass

destruction(WMD) or any other weapon is strictly prohibited.

2. The exports of SMC products or technology from one country to another are govemed by the

relevant security laws and regulation of the countries involved in the transaction. Prior to the

shipment of a SMC product to another country, assure that all local rules goveming that export

are known and followed.

ollowed.ollowed.

ollowed.

- - 4 - -

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VFR6000-OMA0001-B

Design / Selection

1. Confirm the specifications

Products represented in this manual are designed only or

use in compressed air systems (including vacuum).

Do not operate at pressures or temperatures, etc., beyond

the range o speci ications, as this can cause damage or

mal unction. (Re er to the speci ications.)

Please contact SMC when using a luid other than com-

pressed air (including vacuum).

We do not guarantee against any damage i the product is

used outside o the speci ication range.

2. Actuator drive

When an actuator, such as a cylinder, is to be driven using

a valve, take appropriate measures (cover installation or

approach prohibition) to prevent potential danger caused

by actuator operation.

3. Intermediate stops

For 3 position closed center or double check valve style, it

is di icult to make a piston stop at the required position

accurately and precisely due to the compressibility o air.

Furthermore, since valves and cylinders are not

guaranteed or zero air leakage, it may not be possible to

hold a stopped position or an extended period o time.

Please contact SMC i it is necessary to hold a stopped

position or an extended period o time.

4. Holding pressure including vacuum)

Since the valves are subject to air leakage, they cannot be

used or applications such as holding pressure (including

vacuum) in a pressure vessel.

5. Not suitable for use as an emergency shutoff

valve, etc.

The valves listed in this manual are not designed or

sa ety applications such as an emergency shuto valve. I

the valves are used or the mentioned applications,

additional sa ety measures should be adopted.

6. Release of residual pressure

For maintenance purposes install a system or releasing

residual pressure. Especially in the case o 3-position

closed center valve or double check valve type, ensure

that the residual pressure between the valve and the

cylinder is released.

7. Double solenoid type

When using the double solenoid type or the irst time,

actuators may travel in an unexpected direction

depending on the switching position o the valve.

Implement measures to prevent any danger rom

occurring when operating the actuator.

8. Ventilation

Provide ventilation when using a valve in a con ined area,

such as in a closed control panel. For example, install a

ventilation opening, etc. in order to prevent pressure rom

increasing inside o the con ined area and to release the

heat generated by the valve.

9. Extended periods of continuous energization

• I a valve will be continuously energized or extended

period o time, the temperature o the valve will increase

due to the heat generated by the coil. This will likely

adversely a ect the per ormance o the solenoid valve

and any nearby peripheral equipment. There ore, when

it is continuously energized or the energized period per

day is longer than the de-energized period use a DC

speci ication valve.

• For applications such as mounting a valve on a control

panel, incorporate measure to limit the heat radiation so

that it is within the operating temperature range. For

example, the temperature will be high when a 3 station

mani old or larger is put next to other valves and

continuously energized.

10. Do not disassemble the product or make any

modifications, including additional machining.

It may cause human injury and/or an accident.

1. Momentary energization

I a double solenoid valve is operated with momentary

energization, it should be energized or at least 0.1

second. However, depending on the condition o the

secondary load, it should be energized until the cylinder

reaches the stroke end position, since there is a

possibility o mal unction.

VFR6000 Series

5 Port Solenoid Valve / Precautions 1

Be sure to read before handling.

Warning

Caution

- - 5 - -

- 5 -

VFR6000-OMA0001-B

2. Leakage voltage

Take note that the leakage voltage will increase

when a resistor is used in parallel with switching

element or a C-R circuit (surge voltage suppressor)

is used or protecting a switching device because o

the passing leakage voltage through the C-R circuit.

The suppressor residual leakage voltage should be

as ollows.

DC coil: 3% or less o rated voltage

AC coil:20% or less o rated voltage

3. Solenoid valve drive for AC with a solid state

output SSR, TRIAC output, etc.)

1) Current leakage

When using a snubber circuit (C-R element) or surge

protection o the output, a very small amount o

electrical current will continue to low even during the

OFF state.

This results in the valve not returning. In a situation

where the tolerance is exceeded, as in the above case,

take measures to install a bleeder resistor.

2) Minimum allowable load amount (Min. load current)

When the consumption current o a valve is less than

the output’s minimum allowable load volume or the

margin is small, the output may not switch normally.

Please contact SMC.

4. Surge voltage suppressor

I a surge protection circuits contains nonstandard diodes,

such as Zener diodes or varistor, a residual voltage that is

in proportion to the protective circuit and the rated voltage

will remain. There ore, take into consideration the surge

voltage protection o the controller.

In the case o diodes, the residual voltage is appro-

ximately 1V.

5. Operation in a low temperature condition

It is possible to operate a valve in extreme temperature,

as low as -10

C. Take appropriate measures to avoid

reezing o drainage, moisture etc. in low temperature.

6. Mounting orientation

Mounting orientation is ree.

Mounting

1. Operation manual

Install the products and operate them only a ter reading

the operation manual care ully and understanding its

contents. Also, keep the manual where it can be re erred

to as necessary.

2. Ensure sufficient space for maintenance ac-

tivities

When installing the products, allow access or main-

tenance.

3. Tighten threads with the proper tightening

torque.

When installing the products, ollow the listed torque

speci ications.

4. If air leakage increases or equipment does not

operate properly, stop operation.

Check mounting conditions when air and power supplies

are connected. Initial unction and leakage tests should

be pre ormed a ter installation.

5. Painting and coating

Warnings or speci ications printed or a ixed to the

product should not be erased, removed or covered up.

Please consult with SMC be ore applying paint to

resinous parts, as this may have an adverse e ect due to

the solvent in the paint.

Design / Selection

Caution

VFR6000 Series

5 Port Solenoid Valve / Precautions 2

Be sure to read before handling.

Warning

- - 6 - -

- 6 -

VFR6000-OMA0001-B

1. Preparation before piping

Be ore piping is connected, it should be thoroughly blown

out with air ( lushing) or washed to remove chips, cutting

oil and other debris rom inside the pipe.

2. Wrapping of pipe tape

When screwing piping or ittings into ports, ensure that

chips rom the pipe threads or sealing material do not

enter the piping. Also, i pipe tape is used, leave 1 thread

ridge exposed at the end o the threads.

3. Closed center type

For closed center type, check the piping to prevent air

leakage rom the piping between the valve and the

cylinder.

4. Connection of fittings

When screwing ittings into valves, tighten as ollows.

Tighten with the proper torque shown below.

Tightening Torque for Piping

Connection thread

Proper tightening torque (N・m )

Rc1/8 7 to 9

Rc3/4 28 to 30

Rc1 36 to 38

Follow the procedure o the manu acturer when ittings

other than SMC is used.

Wiring

1. Polarity

There is no polarity.

2. Applied voltage

When electric power is connected to a solenoid valve, be

care ul to apply the proper voltage. Improper voltage may

cause mal unction or coil damage.

3. Check the connections.

Check i the connections are correct a ter completing all

wiring.

1. Lubrication

1) The valve has been lubricated or li e by the actory, and

does not require any urther.

2) I a lubricant is used in the system, use class 1 turbine oil

(no additive), ISO VG32.

Once a lubricant is used in the system, lubrication must

be continued because the original lubricant applied

during manu acturing will be washed away.

I turbine oil is used, re er to the Material Sa ety Data

Sheet (MSDS) o the oil.

3) Please contact SMC regarding class 2 turbine oil (with

additives), ISO VG32.

Air Supply

1. Type of fluids

Please consult with SMC when using the product in

applications other than compressed air.

2. When there is a large amount of drainage.

Compressed air containing a large amount o drainage

can cause mal unction o pneumatic equipment. An air

dryer or water separator should be installed upstream

rom ilters.

3. Drain flushing

I condensation in the drain bowl is not emptied on a

regular basis, the bowl will over low and allow the

condensation to enter the compressed air lines. It causes

malu unction o pneumatic equipment.

I the drain bowl is di icult to check and remove,

installation o a drain bowl with an auto drain option is

recommended.

For compressed air quality, re er to SMC’s Best Pneumatics

catalog.

4. Use clean air.

Do not use compressed air that contains chemicals,

synthetic oils including organic solvents, salt or corrosive

gases, etc., as it can cause damage or mal unction.

Piping Lubrication

VFR6000 Series

5 Port Solenoid Valve / Precautions 3

Be sure to read before handling.

Caution

Warning

Caution

Warning

- - 7 - -

- 7 -

VFR6000-OMA0001-B

1. When extremely dry air is used as a fluid,

degradation of the lubrication properties inside

the equipment may occur, resulting in reduced

reliability or reduced service life) of the equip-

ment. Please consult with SMC.

2. Install an air filters.

Install an air ilter upstream near the valve. Select an air

ilter with a iltration size o 5µm or smaller.

3. Take measures to ensure air quality, such as by

installing an aftercooler, air dryer, or water

separator.

Compressed air that contains a large amount o drainage

can cause mal unction o pneumatic equipment such as

valves. There ore, take appropriate measures to ensure

air quality, such as by providing an a tercooler, air dryer, or

water separator.

4. If excessive carbon powder is seen, install a

mist separator on the upstream side of the

valve.

I excessive carbon powder is generated by the

compressor, it may adhere to the inside o a valve and

cause it to mal unction.

For compressed air quality, re er to SMC’s Best Pneumatics

catalog.

Operating Environment

1. Do not use in an atmosphere having corrosive

gases, chemicals, sea water, water, water steam,

or where there is direct contact with any of

these.

2. Do not use in an environment where flammable

gas or explosive gas exists. Usage may cause a

fire or explosion. The products do not have an

explosion proof construction.

3. Do not use in a place subject to heavy vibration

and/or shock.

4. The valve should not be exposed to prolonged

sunlight. Use a protective cover.

5. Remove any sources of excessive heat.

6. If it is used in an environment where there is

possible contact with oil, weld spatter, etc.,

exercise preventive measures.

7. When the solenoid valve is mounted in a control

panel or its energized for a long time, make sure

ambient temperatures is within the specification

of the valve.

Maintenance

1. Perform maintenance inspection according to

the procedures indicated in the operation

manual.

I handled Improperly, mal unction and damage o

machinery or equipment may occur.

2. Removal of equipment, and supply/ exhaust of

compressed air

When components are removed, irst con irm that

measures are in place to prevent workpieces rom dropping,

run-away equipment, etc. Then, cut o the supply pressure

and electric power, and exhaust all compressed air rom the

system using the residual pressure release unction.

For 3-position closed center type, exhaust the residual

pressure between the valve and the cylinder.

When the equipment is operated a ter remounting or

replacement, irst con irm that measures are in place to

prevent lurching o actuators, etc. Then, con irm that the

equipment is operating normally.

3. Low frequency operation

Valves should be operated at least once every 30 days to

prevent mal unction. (Use caution regarding the air supply.)

4. Manual override

When the manual override is operated, equipment will be

actuated.

Operate a ter sa ety is con irmed.

1. Drain flushing

Remove drainage rom the air ilters regularly.

2. Lubrication

In the case o rubber seals, once lubrication has been

started, it must be continued.

Use class 1 turbine oil (with no additive), ISO VG32

because i other lubricant oil is used, it may cause

mal unction. Please contact SMC or suggested class 2

turbine oil (with additive), ISO VG32.

Air Supply

Warning

Caution

VFR6000 Series

5 Port Solenoid Valve / Precautions 4

Be sure to read before handling.

- 8 -

VFR6000-OMA0001-B

Lead Wire Connection

Plug-in type (With terminal block)

• If you remove the junction cover (1) on the su -plate, you will

see the plug-in terminal lock (2) attached to the inside of

su -plate.

• Terminal lock assem ly is wired like the following figure.

Connect it to each power supply side.

• Can e used as either “+COM” or “-COM”.

• Applica le terminal:

1.25-4，1.25-4M

DIN terminal block type

Male pin terminal of DIN terminal lock of solenoid valves are

wired as shown elow. Connect to corresponding terminal on

the connector.

Can e used as either “+COM”, “-COM”

Applicable cable:

Cross section of the wire: 0.5 to 1.5mm

Ca le O.D.: φ 8 to φ 10mm

Applicable terminal:

1.25Y-3L，1.25-3.5S，1.25-4M

erminal block type

Remove cover (1), over terminal lock (2) attached to the

inside of ody. Connect with corresponding power side. For a

style with light and surge voltage suppressor, straightly pull out

the light and surge voltage suppressor su strate (3) and then

connect them.

Applicable terminal:

1.25-3.5M, 1.25-3L, 1.25-3M

Position

Model

Left Center Right

VFR610□ A side COM

VFR620□ A side COM B side

VFR640□

5 A side COM B side

Caution

(1)

(3)

(2)

A side B side

A side

terminal lock

B side

terminal lock

(1)

(2)

VFR6000 Series

Specific Product Precautions

Be sure to read before handling.

Ground

Terminal No. Internal w iring

1 Sol. A side

2 Sol. B side

3 COM

Ground

- 9 -

VFR6000-OMA0001-B

Light / Surge Voltage Suppressor

Plug-in type Non plug-in type

(VFR6□

□□

□00)

(VFR6□

□□

□10)

Plug-in type, Non plug-in type

(VFR6□

□□

□00，

，，

，VFR6□

□□

□10)

Used as 3 Port Valve

Plugging one of the cylinder ports (A or B) ena les use as a

normally closed (N.C.) or normally open (N.O.) 3 port valve.

It is convenient when 3 port valve is needed on a manifold, etc.,

ut it can’t e used in special applications such as using as a

non-leakage valve. Use it with the exhaust port leaving open.

How to Exchange Solenoid Valve, Pilot Valve Assembly

How to exchange solenoid valve

Loosen set screw and take solenoid valve out vertically,

otherwise it may cause damage to the solenoid valve. Never

remove valve at an angle.

When mounting solenoid valve on to the ase, plug pin

assem ly ( ase-side) into receptacle assem ly ( ody-side)

vertically.

Tightening Torque for Mounting Bolt: 16 N･m

Light/Surge

voltage

suppressor

Light/Surge

voltage

suppressor

Light/Surge voltage suppressor

Single

solenoid

Dou le

solenoid

Single

solenoid

Dou le

solenoid

24VDC

or less

Voltage

Varistor

VaristorVaristor

Varistor

VaristorVaristor

B port A port

N.C. N.O.

SingleDou le

Plug

Type of

actuation

Num er of solenoids

Solenoid

valve

assem ly

Su -plate

VFR6000 Series

Specific Product Precautions

Be sure to read before handling.

This manual suits for next models

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