SMC Networks DAS Bedienungsanleitung

Doc.no.DOC1018150

PRODUCT NAME

Deceleration Controller

MODEL/ Series/ Product Number

DAS

Doc.no.DOC1018150

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Contents

1.Saftey Instructions 3～4

2.Specific Product Precautions 5～9__

2-1.Piping Examples 10

2-2.Operation Procedures 11～14

3.Applications 15

4.Specifications 15____

5.Malfunctions and Countermeasures 15

6.Construction 16____

Doc.no.DOC1018150

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Deceleration Controller

DAS Series

Safety Instructions

These safety instructions are intended to prevent hazardous situations and/or equipment 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 equipment of machines .(Part 1: General requirements)

ISO 10218: Manipulating industrial robots -Safety.

etc.

Caution

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

result in minor or moderate injury.

Warning

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

result in death or serious injury.

Danger

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

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

necessary analysis and test results.

The expected performance and safety assurance of the equipment 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 equipment failure when configuring

the equipment.

2. Only 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 equipment 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/equipment 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/equipment 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 equipment in conjunction with atomic energy, railways, air navigation, space, shipping,

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

beverages, emergency stop circuits, clutch and brake circuits in press applications, safety equipment 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 requiring special safety

analysis.

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

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

Doc.no.DOC1018150

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Deceleration Controller

DAS Series

Safety Instructions

Caution

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

Requirements”.

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,whichever is first.

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.

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 governed 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 governing that export

are known and followed.

Caution

SMC products are not intended for use as instruments for legal metrology.

Measurement instruments that SMC manufactures or sells have not been qualified by type approval tests

relevant to the metrology (measurement) laws of each country.

Therefore, SMC products cannot be used for business or certification ordained by the metrology

(measurement) laws of each country.

Doc.no.DOC1018150

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2.Specific Product Precautions

Parts and Names of Products

Design/ Selection

(1)Confirm the specifications.

This product is designed to be used only in a

compressed air system (including vacuum).

Do not operate at pressures, temperatures, etc.,

beyond the range of specifications, as this can

cause damage or malfunction. (Refer to the

product specifications.)

Please contact SMC when using a fluid other

than compressed air. We do not guarantee

against any damage if the product is used

outside of the specifications range.

(2)This product is designed to perform

deceleration of the cylinder stroke and cannot

be used for a complete accurate and precise

intermediary stop of the actuator.

(3) Sonic conductance and critical pressure

ratio values for products are representative

values. The value of the deceleration controller

after deceleration is the value as of when the 2nd

speed knob is fully opened.

Design/ Selection

(1) Check the range in which the deceleration

timing can be adjusted.

Check the range in which the deceleration timing

can be adjusted by using the following formula as

a guide.

It may be difficult to control the deceleration

timing with this product depending on the cylinder

stroke and initial velocity.

* When you make adjustment for the first time,

adjust the speed by setting the number of speed

controller rotations from fully closed position to

four to five rotations. The cylinder may extend

suddenly if the cylinder is not pressurised. Make

adjustment by paying attention to the surrounding

areas.

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*1 Switching time 0.4 (sec.)

Minimum switching time 0.3 sec. / guideline switching

stroke 75% ≈ 0.4

Example) When a cylinder whose stroke is 50 mm is

operated at 100 mm/sec, the formula is: 50 / 100 = 0.5.

As the value is greater than 0.4, deceleration control is

possible.

When a cylinder whose stroke is 50 mm is operated at

200 mm/sec, the formula is: 50 / 200 = 0.25. As the value

is smaller than 0.4, deceleration control is not possible.

Warning

Caution

For Double-end

Timing Knob

(Light Blue)

2nd Speed Knob

（Gray）

Mounting Bracket

One-touch Fitting

（Cylinder Piping）

One-touch Fitting

（Valve Piping）

For Single-end

（L Type Shown）

Adapter

Doc.no.DOC1018150

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Design/ Selection

(2) Pay attention to the load weight.

Set the load weight of each cylinder by following

the procedures for selecting a product by model

selection. This product controls the cylinder

velocity by increasing the back pressure through

compression of the air in the cylinder. Therefore, if

the 2nd speed knob (gray) is excessively throttled,

the cylinder may bounce at the stroke end

depending on the load weight or initial velocity.

When an adequate deceleration is not possible

due to forces such as moment of inertia, set the

deceleration timing earlier or decrease the initial

cylinder velocity.

(3) Pay attention to the piping tube length.

The larger the piping volume between the

product (deceleration controller) and cylinder, the

lower the deceleration effect as because the back

pressure does not increase.

We recommend that you install the product as

close to the cylinder as possible. When the piping

tube is long, adjust the tube length by referring to

the formula below as a guide.

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󰇟󰇛󰇜󰇠 󰇛󰇜 󰇛  󰇜

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Example) When connecting TU0604 tube to the

cylinder (ø25, 500 mm stroke) and starting

deceleration at 75% point of the stroke length.

The formula is: (25^2 / 4^2) * 500 * (1 - 0.75) >

4,882. Therefore, the piping tube must be 4.8 m or

shorter.

*2 When starting deceleration at 75% point of the

cylinder stroke length, insert multiplication by 0.25

(= 1 - 0.75). When starting deceleration at 90%

point of the cylinder stroke length, insert

multiplication by 0.1 (= 1 - 0.9).

When the piping tube length cannot be adjusted

in the above range, set the deceleration timing

earlier or decrease the initial cylinder velocity.

(4) When using the product along with the

built-in air cushion incorporated in the

cylinder, pay attention to the adjustment

method.

If an air cushion is already incorporated in the

cylinder, the stroke movement may temporarily

stop at the original air cushion position or the stick-

slip phenomenon may occur during the 2nd speed

setting of this product.

If this is the case, readjust the cushion needle

incorporated in the cylinder by gradually opening

the cushion needle.

Mounting

(1)Keep the operation manual and check its

contents.

Install the products and operate it only after

reading the operation Manual carefully and

understanding its contents. Also, keep the

Manual where it can be referred to as

necessary.

(2)Ensure sufficient space for maintenance

activities. When installing the products, allow

access for maintenance

(3) Check the piping direction, and then mount

the product.

If this product is mounted in the opposite

direction, speed adjustment and deceleration

effect may not be observed, and the cylinder may

suddenly move at an uncontrollable speed.

(4) Mount the product by using the mounting

bracket.

When installing the product, use the mounting

holes of the bracket bottom face and secure the

product with M3 screws.

（The screws should be prepared by the user.)

Tighten the screws to the appropriate torque for

mounting the product.

Warning

Cylinder Piping

Valve Piping

Caution

Doc.no.DOC1018150

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Lock

Unlock

gap

Mounting

(5) After pushing the knob down to lock,

confirm that it is locked

Confirm that the knob is locked by pushing the

knob in after adjusting the cylinder speed. When

the speed controller is unlocked, the set flow

may change. If the knob is pulled with force

while the speed controller is unlocked, it may

result in breakage. When it is unlocked, do not

pull the knob out with force.

(6) Turn the knob slowly in the open or closed

direction during operation.

(Guide for rotation speed: 1 [rev/sec] or

below)

Scale malfunction may occur if quick

adjustment is made between two graduations

(for example, 0 →1→0).

(7) Do not force the knob to turn outside the

specified range indicated to the scale.

The scale may indicate a wrong value, possibly

leading to a wrong setting.

[Example of wrong use]: While the scale

indication range is 0 to 8, turning the scale in the

open direction from graduation 8 caused the

scale to indicate 0.

size

Target Knob

Scale indication

range

DAS5

Timing Knob

0~8

2nd Speed Knob

0~8

DAS7

Timing Knob

0~8

2nd Speed Knob

0~10

(8) Timing Knob and 2nd Speed Knob have a

stopper for fully close in rotating direction.

Excess torque may break the stopper. Table

below shows the maximum allowable torque of

the knob.

Size

Target Knob

Max allowable

torque 【N・

m】

DAS5

Timing Knob

0.04

2nd Speed Knob

0.04

DAS7

Timing Knob

0.04

2nd Speed Knob

0.07

Mounting

(9) Do not use tools such as pliers to rotate the

knob.

It can cause idle rotation of the knob or damage.

(10) To adjust the 2nd speed knob, start with the

knob in the fully closed position, and then

make adjustment by turning it

counterclockwise.

Depending on the opening adjustment condition

of the knob (needle), the cylinder may suddenly

move. Adjustment of the knob (needle) in the

clockwise direction decreases the flow rate

(closes), and its adjustment in the

counterclockwise direction increases the flow rate

(opens).

The actuator speed decreases when an

adjustment in the clockwise direction is made and

increases when an adjustment in the

counterclockwise direction is made.

(11) Do not apply excessive force or shock to

the body or fittings with an impact tool.

It can cause damage or air leakage.

(1) Cylinder speed check

Large variations in actuator speed can occur as

a result of individual product differences due to

tolerance of the components, individual cylinder

differences, operating conditions, temperature,

etc. The final cylinder speed should be checked

each time the setting has been changed.

(2) Lifting force for the knob

The lifting force for the knob is specified as

shown in the table below.

Lifting the knob with a lifting force larger than

that specified in the table below will cause the

knob to come off, make the cylinder setting

speed or scale incorrect, or cause damage to

the product.

size

Target Knob

Lifting force N

DAS5

Timing Knob

1～1.5

2nd Speed Knob

1～1.5

DAS7

Timing Knob

1～1.5

2nd Speed Knob

3～4

Caution

Warning

Doc.no.DOC1018150

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Mounting

(3) Do not apply excessive shocks (100 m/s2or

more) to the product by dropping it or hitting

it against another object during handling.

Even if the body appears undamaged, the internal

components may be damaged, leading to a

malfunction.

(4) For mounting the fitting to the adapter

(M5 size thread mounting)

①Tightening method

First, tighten it by hand, then give it an additional

1/6 turn to 1/4 turn with a hexagon wrench. Refer

to Table below for reference.

Connection thread

size

Proper tightening

torque 【N・m】

1～1.5

Note) Excessive tightening may damage the

thread portion or deform the gasket and cause

air leakage. If the screw is not tightly screwed in

at the torque stated, it may come loose or air

may leak.

piping

(1) Refer to the Fittings & Tubing Precautions

for handing One-touch fittings.

(2) Preparation before piping

Before piping is connected, it should be

thoroughly blown out with air (flushing) or

washed to remove chips, cutting oil and other

debris from inside the pipe.

Precautions for One-Touch Tube

Fittings

Mounting/Piping

(1) Connection and disconnection of tube from

one-touch fitting

①Installation of tube

1) Cut the tube perpendicularly, being careful not

to damage the external surface. Use an SMC

tube cutter TK-series. Do not cut the tubing with

pliers, nippers, scissors, etc., otherwise the

tubing will be deformed and problems may

result.

2) The outside diameter of the polyurethane

tubing swells when internal pressure is applied

to it. Therefore, it may be impossible to re-

insert the tubing into One-touch fittings. Check

the tubing outside diameter, and when the

accuracy of the outside diameter is +0.07mm or

larger for φ2, and +0.15mm or larger for other

sizes, re-insert it into the One-touch fitting

without cutting the tube. When the tubing is re-

inserted into the One-touch fitting, confirm that

the tubing goes through the release button

smoothly.

3) Grasp the tubing, and slowly push it straight (0

to 5°) into the One-touch fitting until it comes to

a stop.

4) Pull the tubing back gently to make sure it has

a positive seal. Insufficient installation may

cause air to leak or the tubing to release.

As a guide for checking if the tubing is pulled out

or not, refer to the following table.

②Removal of the tube

1) Push the release button flange evenly and

sufficiently to release the tube. Do not push

in the tubing before pressing the release

button.

2) Pull out the tubing while keeping the release

button depressed. If the release button is not

held down sufficiently, the tubing cannot be

withdrawn.

3) To reuse the tubing, remove the previously

lodged portion of the tubing. If the lodged

portion is left on without being removed, it

may result in air leakage and make the

removal of the tubing difficult.

Caution

Doc.no.DOC1018150

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Precautions for One-Touch Tube

Fittings

Mounting/Piping

(2) When mounting the tube, resin plug or

metal rod, do not press the release button.

Do not press the release button unnecessarily

before mounting tubing, resin plugs and metal

rods. This can cause the disconnection of tube.

(3) When using a tube other than that from SMC,

make sure that the tube material and the O.D.

accuracy satisfy the following specifications.

1) Nylon tube: within ±0.1 mm

2) Soft nylon tube: within ±0.1 mm

3) Polyurethane tube: within -0.2mm to

+0.15mm

Do not use a tube that does not satisfy the

specified tubing O.D. accuracy, or if a tube has a

different I.D., material, hardness, or surface

roughness from those of SMC's tube. Please

consult with SMC if there is anything unclear. It

may cause difficulty in connecting the tube,

leakage, disconnection of the tube, or fitting

damage.

Recommended Piping Conditions

(1) When connecting piping to the One-touch

fitting, use a pipe length with sufficient

margin, in accordance with the piping

conditions shown in Figure 1.

Also, when using a tying band, etc., to bind

the piping together, make sure that external

force does not come to bear on the fitting.

(see Figure 2)

Unit:mm

Nylon tube

Soft nylon

tube

Polyurethane

tube

φ4,φ5/32” 56or more 44or more 26or more 20or more

φ6 84or more 66or more 39or more 30or more

φ1/4” 89or more 70or more 57or more 32or more

φ8,φ5/16” 112or more 88or more 52or more 40or more

φ10 140or more 110or more 69or more 50or more

φ3/8” 134or more 105or more 69or more 48or more

φ12 168or more 132or more 88or more 60or more

φ1/2” 178or more 140or more 93or more 64or more

Tubing size

Mounting pitch A

Straight-

line Pipe

length

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 of

drainage can cause the malfunction of

pneumatic equipment. An air dryer or water

separator should be installed upstream from

filters.

(3) Drain flushing

If condensation in the drain bowl is not emptied

on a regular basis, the bowl will overflow and

allow the condensation to enter the

compressed air lines. This causes the

malfunction of pneumatic equipment.

If the drain bowl is difficult to check and remove,

the installation of a drain bowl with an auto

drain option is recommended.

For compressed air quality, refer to SMC

catalog "CompressedAir Purification System".

(4) Use clean air

Do not use compressed air that contains

chemicals, synthetic oils that include organic

solvents, salt, corrosive gases, etc., as it can

cause damage or malfunction.

(1) Install an air filter.

Install an air filter at the upstream side of

valve. Select a filtration rating of 5 µm or

below, or that equivalent to or lower than ISO

8573-1:2010 [6:4:4]

* This rating is equivalent to the rating

produced when an air filter is installed for the

purity class [7:4:4] of the inlet side

compressed air.

(2) Ensure that the fluid and ambient

temperatures are within the specified range.

If the fluid temperature is 5℃or less, the

moisture in the circuit could freeze, causing

damage to the seals or leading to equipment

malfunction. Therefore, take appropriate

measures to prevent freezing.

For compressed air quality, refer to SMC

catalog "CompressedAir Purification System".

Warning

Caution

Doc.no.DOC1018150

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Operating environment

(1) Do not use in an atmosphere containing

corrosive gases, chemicals, sea water,

water, water steam, or where there is direct

contact with any of these.

(2) Do not expose the product to direct

sunlight for an extended period of time.

(3) Do not mount the product in locations

where it is exposed to radiant heat.

Maintenance

(1) Do not disassemble the product or make

any modifications.

Do not disassemble the product or make any

modifications, including additional machining.

Doing so may cause human injury and/or an

accident

(2)Perform maintenance and inspection

according to the procedures indicated in the

operation manual.

If handled improperly, malfunction or damage

of machinery and equipment may occur.

(3) Maintenance work

If handled improperly, compressed air can be

dangerous.

Assembly, handling, repair and element

replacement of pneumatic systems should be

performed by a knowledgeable and

experienced person.

(4) Drain flushing

Remove drainage from air filters regularly.

(5) Removal of equipment, and supply/exhaust

of compressed air.

Before components are removed, first confirm

that measures are in place to prevent

workpieces from dropping, run-away equipment,

etc. Then, Cut the supply pressure and electric

power, and exhaust all compressed air from the

system using the residual pressure release

function. When machinery is restarted, proceed

with caution after confirming that appropriate

measures are in place to prevent sudden

movement.

Warning

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