SMC Networks 56-VQC1000 Series, 56-VQC4000 Series, 56-VQC2000 Series Installation And Maintenance Manual

56-VV5QC*1-TFL33-C

Installation and Maintenance Manual
5 Port Solenoid Valve
Series 56-VQC1000/2000/4000

Marking description

Manifold 56-VV5QC#1…

II 3G Ex nA IIB T5 Gc X -10ºC ≤ Ta

≤

+50ºC

II 3D Ex tc IIIC T85°C Dc X IP67

Manifold with Serial Transmission System (56-EX500 or 56-EX250)

Also refer to separate applicable documentation

Group II
Category 3
Suitable for Gas and Dust environment
Type of Protection “non-sparking apparatus”
Special condition X “Protect from impacts” see Section 3

1 Safety Instructions

This manual contains essential information for the protection of users and
others from possible injury and/or equipment damage.

• Read this manual before using the product, to ensure correct handling,
and read the manuals of related apparatus before use.

• Keep this manual in a safe place for future reference.

• These instructions indicate the level of potential hazard by label of

“Caution”, “Warning” or “Danger”, followed by important safety
information which must be carefully followed.

• To ensure safety of personnel and equipment the safety instructions in
this manual and the product catalogue must be observed, along with

other relevant safety practices.

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.

• The compatibility of pneumatic equipment is the responsibility of the
person who designs the pneumatic system or decides its specifications.
Since the products specified here can be used in various operating
conditions, their compatibility with the specific pneumatic system must
be based on specifications or after analysis and/or tests to meet specific
requirements.

• Only trained personnel should operate pneumatically operated
machinery and equipment.

Compressed air can be dangerous if an operator is unfamiliar with it.
Assembly, handling or repair of pneumatic systems should be performed
by trained and experienced personnel.

• Do not service machinery/equipment or attempt to remove
components until safety is confirmed.

1) Inspection and maintenance of machinery/equipment should only be
performed after confirmation of safe locked-out control positions.

2) When equipment is to be removed, confirm the safety process as
mentioned above. Switch off air and electrical supplies and exhaust all
residual compressed air in the system.

1 Safety Instructions (continued)

3) Before machinery/equipment is re-started, ensure all safety measures to
prevent sudden movement of cylinders etc. (Supply air into the system
gradually to create back pressure, i.e. incorporate a soft-start valve).

• Do not use this product outside of the specifications. Contact SMC
if it is to be used in any of the following conditions:

1) Conditions and environments beyond the given specifications, or if the
product is to be used outdoors.

2) Installations in conjunction with atomic energy, railway, air navigation,
vehicles, medical equipment, food and beverage, recreation equipment,
emergency stop circuits, press applications, or safety equipment.

3) An application which has the possibility of having negative effects on
people, property, or animals, requiring special safety analysis.

1.1 Specific recommendations:

• Protect from impacts using an ATEX enclosure suitable for impacts.

• Not suitable for Zones 0/20 and Zones 1/21. Only suitable for Zones

2/22.

• This product has components made of aluminium alloy. W hen mounting
this product, it must be installed such that, even in the event of rare
incidents, ignition sources due to impact and friction sparks are
excluded.

• Do not brush or wipe this product to avoid static charge build up. Static
charge can cause a spark or ignition source.

• Ensure that the air supply system is filtered to 5 microns.

1.2 Conforming to Standards

This product is certified to and complies to the following standards:

Electrical Apparatus for Explosive Gas
Atmospheres

EN 60079-0 : 2009,

EN 60079-15 : 2010
Electrical Apparatus for use in the presence of
Combustible Dust

EN 60079-31 : 2009

2 Specifications

2.1 General Specifications

Series 56-VQC1000, 2000, 4000
Valve configuration Metal seal Rubber seal
Fluid Air/Inert gas

Maximum operating
pressure

0.7 MPa

Single 0.1 MPa 0.15 MPa
Double 0.1 MPa
3-position 0.1 MPa 0.2 MPa

56-VQC1000

56-VQC2000

Minimum
operating
pressure

4-position - 0.15 MPa
Maximum operating
pressure

1.0 MPa

Single 0.15 MPa 0.2 MPa

Double 0.15 MPa

56-

VQC4000

Minimum
operating
pressure

3-position 0.15 MPa 0.2 MPa

Proof pressure 1.5 MPa
Fluid temperature -10°C to 50°C
Lubrication Not required
Manual override Locking type (tool required)

Locking type (finger/thumb operation)

Slide locking type (56-VQC1000/2000)

Impact/Vibration resistance 150/30 m/s

2 (Note 1)

Enclosure IP67
Rated coil voltage 24VDC
Allowable voltage fluctuation ±10% of rated voltage
Coil insulation Equivalent to B type
Power consumption (current)
at 24VDC

1W (42mA), inrush

(Note 2)

0.35W (15mA), holding

2 Specifications (continued)

Note 1) Impact resistance: There should be no malfunction of the valve

after testing, using a drop impact tester, along the valve axis and
at right-angles to the valve and armature. Carry out each test with
the valve energised and de-energised (Value at the initial stage).
Vibration resistance; There should be no malfunction of the valve
after testing, using a 8.3 to 2000 Hz sweep along the valve axis
and at right-angles to the valve and armature. Carry out each test
with the valve energised and de-energised (Value at the initial
stage).

Note 2) The power saving circuit is included in the manifold.

2.2 Batch codes and Construction month:

2012 2013 2014 ….. 2021 2022 2023 ….. Year

Month

Q R S ….. Z A B …..

Jan o Qo Ro So ….. Zo A o Bo …..
Feb P QP RP SP ….. ZP AP BP …..

Mar Q QQ RQ SQ ….. ZQ AQ BQ …..
Apr R QR RR SR ….. ZR AR BR …..

May S QS RS SS ….. ZS AS BS …..
Jun T QT RT ST ….. ZT AT BT …..

Jul U QU RU SU ….. ZU AU BU …..
Aug V QV RV SV ….. ZV AV BV …..

Sep W QW RW SW ….. ZW AW BW …..
Oct X QX X SX ….. ZX AX BX …..

Nov y Qy RQ y Sy ….. Zy Ay By …..
Dec Z QZ RZ SZ ….. ZZ AZ BZ …..

2.3 Piping

56-VQC1000/2000 (M-Kit)

Figure 1

56-VQC1000/2000 (T-Kit)

Figure 2

2 Specifications (continued)

56-VQC1000/2000 (56-EX500)

Figure 3

56-VQC1000/2000 (56-EX250)

Figure 4

56-VQC4000 (M-Kit)

Figure 5

56-VQC4000 (T-Kit)

Figure 6

56-VV5QC*1-TFL33-C

2 Specifications (continued)

56-VQC4000 (56-EX500)

Figure 7

56-VQC4000 (56-EX250)

Figure 8

3 Installation

3.1 Installation

• Do not install the product unless the safety instructions have been read
and understood.

• Protect from impacts using an ATEX enclosure suitable for
impacts.

3.2 Environment

• Do not use in an environment where the product is directly exposed to
corrosive gases, chemicals, salt water, water or steam.

• Do not use in an explosive atmosphere, except Zone 2/22.

• The product should not be exposed to prolonged sunlight. Use a

protective cover.

• Do not mount the product in a location where it is subject to excessive
vibrations and/or impacts.

• Do not mount the product in a location exposed to radiant heat.

• Remove emissive heat.

• Employ suitable protective measures in locations where there is contact

with water droplets, oil or welding splatter, etc.

• When the solenoid valve is mounted in a control panel or is energised for
a long time, make s ure the ambient temperature is within the valve
specification range.

3.3 Piping

• Before piping make sure to clean up chips, cutting oil, dust etc.

• When installing piping or fittings, ensure sealant material does not enter

inside the port. When using seal tape, leave 1.5 to 2 threads exposed on
the end of the pipe/fitting.

• Install piping s o that it does not apply pulling, pressing, bending or other
forces on the valve body.

3 Installation (continued)

• Tighten fittings to the specified tightening torque shown in Table 1.

Thread Tightening Torque N•m
M5 By hand + 1/6 turn with a wrench (1/4 turn for miniature fittings)

Rc 1/8 7 to 9
Rc 1/4 12 to 1 4

Rc 3/8 22 to 2 4
Rc 1/2 28 to 3 0

Rc 3/4 28 to 3 0

Table 1

3.4 Electrical Connection

• The manifold has negative common (-COM).

• Avoid mis-wiring, as this can cause malfunction, damage and

combustion to the product.

• Use voltage that is within ±10% of the rated voltage. Application of
incorrect voltage may cause malfunction or damage.

• To prevent noise and surge in signal lines, keep all wiring separate from
power lines and high voltage lines. Otherwise this can cause
malfunction.

• Use electrical circuits that do not generate chattering in their contacts.

• Do not bend or pull cables repeatedly.

• Disconnect power supply before removing or making electrical

connections

Multiple connector wiring (M-Kit)

Figure 9

3 Installation (continued)

Terminal block wiring (T-Kit)

Figure 10

3.5 Mounting

• Never remove a valve from the manifold when energised.

• Never remove terminal box cover when power is connected to the

manifold.

• Never disconnect or reconnect cables or connectors when power is
connected to the manifold.

• Install 56-VQC valves only.

• Install 56-VV5QC manifolds only, as it has an integrated power saving

circuit.

56-VQC1000/2000 Valve mounting:

Figure 11

Removal procedure:

• Loosen clamp screws until they turn freely (they do not come out).

• Remove the solenoid valve from Clamp B by lifting the coil side of the

valve, while pushing on the screw top.

3 Installation (continued)

Mounting procedure:

• Push the clamp screw. Clamp A now opens.

• Insert the end plate hook of the valve into Clamp B from an angle.

• Push the valve down into place (when the clamp screw is released,

Clamp A will lock).

56-VQC4000 Valve mounting:

Figure 12

Removal procedure:

• Loosen mounting screws until they turn freely.

• Remove the solenoid valve from Clamp B by lifting the coil side of the

valve first.

Mounting procedure:

• Push the coil side of the valve into the connector on the manifold.

• Tighten the mounting screws to torque 0.8 to 1.2 N•m.

• Ensure all gaskets are present before mounting valves.

• Do not l et foreign matter stick to gaskets or sealing fac es of the valve to

avoid air leaks

3.6 Lubrication

• SMC products have been lubricated for life at manufacture, and do not
require lubrication in service.

• If a lubricant is used in the system, use turbine oil Class 1 (no additive),
ISO VG32. Once lubricant is used in the system, lubrication must be
continued because the original lubricant applied during manufacturing
will be washed away.

4 Settings

4.1 Manual Override

• Since connected equipment will operate when the manual override is
activated, confirm that conditions are safe prior to activation.

Non-locking push type (tool required)

• Push down the manual override button with a small screwdriver, etc.
until it stops.

• The manual override will return when released.

Figure 13

Slotted locking push type (tool required)

• Push down the manual override button with a small flat head screwdriver
until it stops and turn 90° clockwise to lock.

56-VV5QC*1-TFL33-C

4 Settings (continued)

• Turn anti-clockwise to release.

Figure 14

Locking type (manual). 56-VQC1000/2000

• Push down the manual override button with a small flat head screwdriver
or finger until it stops and turn 90° clockwise to lock.

• Turn anti-clockwise to release

Figure 15

Slide locking type (manual). 56-VQC1000/2000

• Push down the manual override button with a small flat head screwdriver
or finger until it stops and slide towards the coil to lock.

• To unlock, slide the override away from the coil.

Figure 16

5 Circuit Symbols

Figure 17

6 Options

6.1 Mounting

• Disconnect power supply before removing or making electrical
connections.

• Do not use options other than specified in the 56-VQC catalogues.

• The options are standard parts without “56-“ prefix.

Removal and mounting procedure:

• Blanking plate assembly, individual SUP spacer and individual EXH
spacer are mounted in the same way as valves. Please refer to section

3.5 Mounting.

6.2 Adding manifold stations (see Figure 18)

• When adding manifold stations, ensure the correct number of power
saving units are installed, as operating the valves could exceed the
marked surface temperatures.

• 1 to 12 solenoids – 1 power saving unit required.

• 13 to 24 solenoids – 2 power saving units required.

• Install 56-VQC valves only.

• Undo the bolts (Item 3) to the tie-rods and remove the U-side end plate

assembly (Item 6). If DIN rail is fitted, first release the DIN rail.

• Screw in tie-rod extensions (Item 2) supplied with the manifold block
assembly (standard VQC type) and assemble the manifold block (Item

1).

• Re-assemble the U-side end plate assembly (Item 6) and tighten the tie­rod screws (Item 3) to torque shown in Table 2.

• Ensure all seals and gaskets are installed.

• Install valve to added manifold block as described in section 3.5

Mounting.

• Check the correct number of power saving units (Item 5) are present.

Valve Series Tightening Torque N•m

56-VQC1000 0.85 to 0,95
56-VQC2000 1,2 to 1,6

56-VQC4000 1,7 to 2,3

Table 2

Figure 18

6.3 Adding power saving unit (Item 5)

• If a second power saving unit is required due to exceeding 12 solenoids
on the manifold, contact SMC for the correct part.

• The second power saving unit must be positioned next to the D-side end
plate assembly (Item 4).

7 How to Order

Refer to the catalogue for this product.

8 Outline Dimensions (mm)

Refer to the catalogue for this product.

9 Maintenance

9.1 General Maintenance

• Not following proper maintenance procedures could cause the product to
malfunction and lead to equipment damage.

• If handled improperly, compressed air can be dangerous. Maintenance
of pneumatic systems should be performed only by qualified personnel.

• Before performing maintenance, turn off the power supply and be sure to
cut off the supply pressure. Confirm that the air is released to
atmosphere.

• After installation and maintenance, apply operating pressure and power
to the equipment and perform appropriate functional and leakage tests to
make sure the equipment is installed correctly.

• Do not make any modification to the product.

• Do not disassemble the product, unless required by installation or

maintenance instructions.

• Drain: remove condensate from the filter bowl on regular basis.

• Low frequency operation:

Switch valves at least once every 30 days to prevent malfunction. Also,
in order to use it under optimum state, conduct a regular inspection once
every 6 months.

• Filters and strainers:

o Be careful regarding clogging of filters and strainers
o Replace filter elements after one year of use, or earlier if the

pressure drop reaches 0.1 MPa.

o Clean strainers when the pressure drop reaches 0.1 MPa.

9.2 Replacing One-touch fittings

• Cylinder port fittings are available in cassette type and can be replaced
easily.

56-VQC 1000/2000

• Remove the valve.

• Extract clip with flat head screwdriver.

• Pull fitting to remove.

• Refitting is the reversal of removal.

Figure 19

Fitting assembly part no.

Applicable tube O.D.

56-VQC1000 56-VQC2000

Ø3.2 VVQ1000-50A-C3 -

Ø4 VVQ1000-50A-C4 VVQ1000-51A-C4
Ø6 VVQ1000-50A-C6 VVQ1000-51A-C6
Ø8 - VVQ1000-51A-C8
M5 VVQ1000-50A-M5 -

Ø1/8” VVQ1000-50A-N1 -

Ø5/32” VVQ1000-50A-N3 VVQ1000-51A-N3

Ø1/4” VVQ1000-50A-N7 VVQ1000-51A-N7

Ø5/16” - VVQ1000-51A-N9

Table 3

9 Maintenance (continued)

56-VQC 4000

• Remove the valve.

• Extract clip with flat head screwdriver.

• Pull fitting to remove.

• Refitting is the reversal of removal.

Figure 20

Fitting assembly part no.

Applicable tube O.D.

56-VQC4000

Ø8 VVQ4000-50B-C8
Ø10 VVQ4000-50B-C10
Ø12 VVQ4000-50B-C12

Ø1/4” VVQ4000-50B-N7

Ø5/16” VVQ4000-50B-N9

Ø3/8” VVQ4000-50B-N11

Table 4

10 Limitations of Use

• Do not exceed any of the specifications in section 2 of this document or
the specific product catalogue.

10.1 Maintenance space

• The installation should allow sufficient space for maintenance activities.

10.2 Ambient environment

• Use within the allowable ambient temperature range.

10.3 Mounting orientation

• In the case of a single solenoid, the mounting orientation is unrestricted.
In the case of double solenoid or 3 position valves, mount so the spool is
horizontal.

• When mounting for an application that will involve vibration or impact,
mount so the spool is at right angles to the direction of vibration.

• Do not use in applications where vibration or impact exceed the products
specification.

11 Contacts

AUSTRIA

(43) 2262 62280-0

LATVIA

(371) 781 77 00

BELGIUM

(32) 3 355 1464

LITHUANIA

(370) 5 264 8126

BULGARIA

(359) 2 974 4492

NETHERLANDS

(31) 20 531 8888

CZECH REP.

(420) 541 424 611

NORWAY

(47) 67 12 90 20

DENMARK

(45) 7025 2900

POLAND

(48) 22 211 9600

ESTONIA

[phone]

PORTUGAL

(351) 21 471 1880

FINLAND

(358) 207 513513

ROMANIA

(40) 21 320 5111

FRANCE

(33) 1 6476 1000

SLOVAKIA

(421) 2 444 56725

GERMANY

(49) 6103 4020

SLOVENIA

(386) 73 885 412

GREECE

(30) 210 271 7265

SPAIN

(34) 945 184 100

HUNGARY

(36) 23 511 390

SWEDEN

(

46) 8 603 1200

IRELAND

(353) 1 403 9000

SWITZERLAND

(41) 52 396 3131

ITALY

(39) 02 92711

UNITED KINGDOM

(44) 1908 563888

URL : http// www.smcworld.com (Glob al) http// www.smceu.com (Europe)
Specifications are subject to change without prior notice from the manufactu rer.
© 2012 SMC Corporation All Rights Reserved.