Festo MPAC-VI User Manual

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Valve terminal

MPAC-VI

Pneumatics description

8023740

2017-12a

[8075694]

MPAC-VI

Translation of the original instructions MPAC-VI-EN

IO-Link® is a registered trademark of its respective trademark holder in certain countries.

Identification of hazards and instructions on how to prevent them:

Warning

Hazards that can cause death or serious injuries

Caution

Hazards that can cause minor injuries

Other symbols:

Note

Material damage or loss of function

Recommendations, tips, references to other documentation

Essential or useful accessories

Information on environmentally sound usage

Text designations:  Activities that may be carried out in any order

1. Activities that should be carried out in the order stated – General lists

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MPAC-VI

Table of contents

1 Safety and requirements for product use 7......................................

1.1 Safety 7..................................................................

1.1.1 General safety instructions 7.........................................

1.1.2 Intended use 7.....................................................

1.2 Requirements for product use 8...............................................

1.2.1 Technical prerequisites 8............................................

1.2.2 Qualification of specialized personnel 8.................................

1.2.3 Range of application and certifications 8................................

2 Product overview 9.........................................................

2.1 Purpose 9.................................................................

2.1.1 Equipment levels 9.................................................

2.1.2 Size of the valves 9.................................................

2.2 Component overview 10......................................................

2.3 Electrical connection 11.......................................................

2.3.1 Multi-pin plug connection 11..........................................

2.3.2 I-Port interface/IO-Link 11............................................

2.4 Description of components 12..................................................

2.4.1 Manifold sub-bases and electronics modules 12...........................

2.4.2 Valves 13..........................................................

2.4.3 Check valves 14.....................................................

2.4.4 Cover of the manifold sub-base 14......................................

2.4.5 Pneumatic supply 16.................................................

2.4.6 Pilot air supply 16...................................................

2.4.7 Exhaust air 17......................................................

2.4.8 Pressure compensation 17............................................

2.4.9 Pressure zone separation 18...........................................

2.4.10 Electrical connection 19..............................................

2.4.11 Display and operating components 21...................................

2.4.12 Switching status indication of the valves 22...............................

2.4.13 Manual override (MO) 22.............................................

3 Mounting and installation 23..................................................

3.1 Mounting/dismounting 23.....................................................

3.2 Compressed air preparation 23.................................................

3.2.1 Operation with unlubricated compressed air 23...........................

3.2.2 Operation with lubricated compressed air 23.............................

3.3 General installation instructions 25..............................................

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MPAC-VI

3.4 Connecting the valve terminal 26................................................

3.4.1 Pilot control (pilot air supply) 26........................................

3.4.2 Pressure zone separation 27...........................................

3.4.3 Vacuum/low-pressure operation 29.....................................

3.4.4 Connecting the pneumatic lines 30......................................

3.5 Installation of the tubing lines 32...............................................

3.5.1 Connecting 32......................................................

3.5.2 Removing 32.......................................................

3.5.3 Common pneumatic lines 33...........................................

3.6 Connecting the electric cables 34...............................................

3.7 Address assignment 34.......................................................

3.7.1 Addressing example 35...............................................

4 Commissioning 37...........................................................

4.1 Prior to commissioning 37.....................................................

4.1.1 Pressure build-up in the overall supply 37................................

4.2 Testing the valves and the valve/actuator combination 39............................

5 Diagnostics and fault clearance 41.............................................

5.1 Switching status indication of the solenoid coils 41.................................

5.2 Functional impairments 42....................................................

5.3 Operating statuses of the pneumatic system 43....................................

6 Cleaning and maintenance 44.................................................

6.1 General safety measures 44...................................................

6.2 Cleaning the valve terminal 45..................................................

6.3 Maintaining the valve terminal 46...............................................

6.3.1 Cleaning or replacing the silencer 46....................................

6.3.2 Replacing the valve or cover plate 46....................................

7 Conversion 49..............................................................

7.1 Tie rod system 49............................................................

7.2 Replacing or extending the manifold sub-base, supply plate

or replacing the right end plate 50..............................................

7.3 Replacing electronics modules 53...............................................

7.4 Conversion between internal and external pilot air supply 53.........................

7.5 Addition of pressure zones 54..................................................

7.6 Conversion of the outlet orientation for the electrical connection 56...................

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MPAC-VI

A Technical appendix 58........................................................

A.1 Technical data 58............................................................

A.1.1 General 58.........................................................

A.1.2 Operating and environmental conditions 60...............................

A.1.3 Pneumatics 61......................................................

A.1.4 Electrical data 64....................................................

A.2 Accessories 64..............................................................

B Circuit symbol 65............................................................

B.1 Overview of valves 65........................................................

C Glossary 70................................................................

Index 71........................................................................

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MPAC-VI

Further applicable documents

This document contains information about the mounting, installation, commissioning, maintenance and conversion of the product. The following documents contain further details:

Name, type Contents

Brief description MPAC-VI/VMPAC-EPL-MP Valve terminal with multi-pin plug connection Brief description MPAC/VMPAC-EPL-IP Valve terminal with I-Port/IO-Link® interface Assembly

Valve terminal MPA-C Mounting methods of the valve terminal instructions Certificate Valve terminal MPAC-VI Supplementary material information regarding

food safety

Tab. 1 Documents relating to the product

For all available product documentation è www.festo.com/pk

Service

Contact your regional Festo contact person if you have technical questions è www.festo.com.

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1 Safety and requirements for product use

1.1 Safety

1.1.1 General safety instructions

Note Damage to the product due to incorrect handling.

 Switch off the supply voltage before mounting and installation work. Only switch on

the supply voltage when mounting and installation work is completely finished.  Never unplug or plug in a product when it is energised!  Observe the handling specifications for electrostatically sensitive devices.

1.1.2 Intended use

The valve terminal is suitable for the food and packaging industry. It fulfils the requirements for the splash zone in accordance with EN 1672-2:2009-07. The valve terminal is intended for installation in machines or automated systems and may be used only as follows: – in a faultless technical condition, – in its original state without unauthorised modifications; only the conversions or modifications de

scribed in the documentation supplied with the product are permitted, – within the limits of the product defined by the technical data (è Appendix A.1), – in an industrial environment. If used together with additional commercially available components, such as actuators, the specified limits for pressures, temperatures, electrical data, torques etc. must be observed.

Note

In the event of damage caused by unauthorised manipulation or other than intended use, the guarantee is invalidated and the manufacturer is not liable for damages.

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1 Safety and requirements for product use

1.2 Requirements for product use

 Make this documentation available to the design engineer, installer and personnel responsible for

commissioning the machine or system in which this product is used.

 Make sure that the specifications of the documentation are always complied with. Also consider the

documentation for the other components and modules.

 Take into consideration the legal regulations applicable for the destination, as well as:

– regulations and standards, – regulations of the testing organizations and insurers, – national specifications.

1.2.1 Technical prerequisites

General conditions for the correct and safe use of the product, which must be observed at all times:  Comply with the connection and environmental conditions of the product (è Appendix A.1) and all

connected components specified in the technical data. Only compliance with the limit values or load limits permits operation of the product in accordance with the relevant safety regulations.

 Observe the instructions and warnings in this documentation.

1.2.2 Qualification of specialized personnel

The product may be placed in operation only by a qualified electrotechnician, who is familiar with – the installation and operation of electrical control systems, – the applicable regulations for operating safety-engineered systems, – the applicable regulations for accident protection and occupational safety, and – the documentation for the product.

1.2.3 Range of application and certifications

Standards and test values, which the product complies with and fulfils, can be found in the “Technical data” section (è Appendix A.1). The product-relevant EU directives can be found in the declaration of conformity.

Certificates and the declaration of conformity for this product è www.festo.com/sp.

The product fulfils the requirements of EU directives and is equipped with the CE marking.

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2 Product overview

2.1 Purpose

The valve terminal is based on a modular structure and creates the following connections: – Common ducts for supply and exhaust air – Electrical signals from all solenoid coils

Working ports (2) and (4) are provided for each valve position on the individual sub-bases. Common ducts and connections in the basic components supply the valves with compressed air (operating pres sure and pilot pressure) and discharge the exhaust air (exhaust air of the valves and pilot exhaust air).

The valve terminal can be supplemented by additional components for compressed air supply or flow restriction, e.g. to supply pressure zones.

Depending on the types of valve used, the following valve terminal operating modes can be used: – Standard operation with one or more pressure zones – Reversible operation with compressed air supply via ports (3), (5) and exhaust via port (1) – Low-pressure operation at 0 ... 3 bar – Vacuum operation at –0.9 ... 0 bar

2.1.1 Equipment levels

The valve terminal is available in the following equipment levels:

Electrical connection

Valve positions Manifold sub-base VMPAC-AP-…-1

(with grey electronics module 2))

Valve terminal with multi-pin plug connection

Sub-D with 25 pins 1,2,3,4 … 24 1,2,3,4 … 12 Sub-D with 44 pins 1,2,3,4  32 1,2,3,4 … 16

Valve terminal with I-Port interface/IO-Link

Sub-D with 9 pins 1,2,3,4 … 32 1,2,3,4 … 16

1) With exclusive use of the presented manifold sub-base

2) Electronics module for actuating one solenoid coil

3) Electronics module for actuating two solenoid coils

Tab. 2.1 Equipment levels

Manifold sub-base VMPAC-AP-…-2 (with black electronics module 3))

2.1.2 Size of the valves

The valve terminal is available in the size MPA14, i.e. the valves have a size of 14 mm.

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2 Product overview

2.2 Component overview

The valve terminal consists of pneumatic and electric components. The most important components are shown in Fig. 2.1.

1 Left end plate with

– multi-pin plug connection or I-port interface/IO-Link – supply ports (1), (3) and (5)

2 Manifold sub-base with auxiliary power

supply: – supply ports (1), (3) and (5) – working ports (2) and (4) – valve with cover, optionally with manual override – electronics module

Fig. 2.1 Main components of the valve terminal

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3 Right end plate with:

– ports (1), (3), (5) (12/14), (82/84) and (L)

4 Manifold sub-base with:

– working ports (2) and (4) – valve with cover, optionally with manual override – electronics module

5 Spacer bolt

2 Product overview

2.3 Electrical connection

The electrical connection of the valve terminal is made centrally via a Sub-D port in the left end plate. The port can either be on the side of the valves or on the side of the pneumatic working ports. Depend ent on the electronics module located in the manifold sub-base, one or two solenoid coils can be con trolled per valve position (è Tab. 2.4).

2.3.1 Multi-pin plug connection

Each solenoid coil is assigned to a pin in the Sub-D connection. The maximum number of controllable solenoid coils is dependent on the Sub-D connection:

Connection Number of controllable solenoid coils Left end plate

Sub-D with 25 pins 1  24 VMPACEPL-MPSD25-… Sub-D with 44 pins 1  32 VMPACEPL-MPSD44-…

Tab. 2.2 – Multi-pin plug connection

The maximum length of the connecting cable between controller and valve terminal must not exceed 30 m.

2.3.2 I-Port interface/IO-Link

In addition to the power supply, communication is carried over the I-port interface/IO-Link. The maxim um length of the connecting cable between I-Port/IO-Link master and valve terminal must not exceed 20 m.

Connection Number of controllable solenoid coils Left end plate

Sub-D with 9 pins 1  32 VMPACEPL-IP…

Tab. 2.3 I-port interface

The valve terminal can be connected as follows: – to a device with an I-port interface – to an IO-Link master – to a connecting box CAPC-…

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2 Product overview

2.4 Description of components

2.4.1 Manifold sub-bases and electronics modules

The valves are supplied pneumatically via the manifold sub-bases and supplied electrically via the elec tronics module that is installed in the manifold sub-base (è Fig. 2.2). The electronics module estab lishes how many solenoid coils can be controlled on one valve position. The electronics module is avail able only with the manifold sub-base.

1 Manifold sub-base

3 Pneumatic supply ducts

2 Electronics module

Fig. 2.2 Manifold sub-base with electronics module

The valve terminal can be equipped with the following manifold sub-bases:

Design of the manifold sub-bases Type code

Manifold sub-base with working ports (2), (4) and grey electronics module for actuation by one solenoid coil Manifold sub-base with working ports (2), (4) and black electronics mod ule for actuation by two solenoid coils Manifold sub-base with working ports (2), (4), supply ports (1), (3) and (5)

VMPAC-AP-14-1 VMPAC-AP-14-B-1 VMPAC-AP-14-2 VMPAC-AP-14-B-2 VMPAC-AP-14-SP-1

and grey electronics module for actuation by one solenoid coil Manifold sub-base with working ports (2), (4); supply ports (1), (3) and (5)

VMPAC-AP-14-SP-2

and black electronics module for actuation by two solenoid coils

4) Manifold sub-base with drill holes for stud bolt mounting

Tab. 2. 4

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2 Product overview

2.4.2 Valves

The valves sit in the manifold sub-bases (è Fig. 2.4) of the valve terminal. The valves are marked by identification codes (ident. code). The ident. code is located on the valve and is visible externally through a transparent inspection window in the cover of the manifold sub-base. The valve terminal can be equipped with the following valves (è Tab. 2.5):

Ident.

Val v e

code

B 5/3-way valve, mid-position pressurized D Two monostable 2/2-way valves, normally closed, pneumatic spring return DS Two monostable 2/2-way valves, normally closed, mechanical spring return E 5/3-way valve, mid-position exhausted G 5/3-way valve, mid-position closed H Two monostable 3/2-way valves, control side 12 normally open, control side 14 normally

closed, pneumatic spring return

HS Two monostable 3/2-way valves, control side 12 normally open, control side 14 normally

closed, mechanical spring return

I Two 2/2-way valves, normal position closed, pneumatic spring return

With dual-pressure operation: Operating pressure via port (1) or port (5) With vacuum operation: Operating pressure at port (1), vacuum at port (5) (e.g. for vacuum switching with ejector

pulse) J 5/2-way bistable valve K Two monostable 3/2-way valves, normally closed, pneumatic spring return KS Two monostable 3/2-way valves, normally closed, mechanical spring return M Monostable 5/2-way valve, pneumatic spring return MS Monostable 5/2-way valve, mechanical spring return N Two monostable 3/2-way valves, normally open, pneumatic spring return NS Two monostable 3/2-way valves, normally open, mechanical spring return W Monostable 3/2-way valve, normally open, external compressed air supply via port (2),

pneumatic spring return X Monostable 3/2-way valve, normally closed, external compressed air supply via port (4),

pneumatic spring return

Tab. 2.5 Identification codes for the valves

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2 Product overview

Further information on the valves can be found in Appendix B.

2.4.3 Check valves

1 Manifold sub-base 2 Check valve

Fig. 2.3 Check valve – example of a check valve for the 14 mm size

A check valve can be integrated between sub-base and valve to prevent unintended switching of actuat ors in response to high back pressure in the exhaust air ducts (3) and (5). If there is a high level of back pressure, the check valves seal off exhaust air ducts (3) and (5).

– Mounting of the check valves è Assembly instructions VMPA14-RV

2.4.4 Cover of the manifold sub-base

To ensure the valve terminal fulfills the IP69k degree of protection, a cover must be fitted to protect the valve or cover plate from external influences. The cover is mounted on the manifold sub-base with two screws (è Fig. 2.4). The valve terminal can be equipped with the following covers:

Design of the cover Type code

Cover without manual override 1) e.g. for vacant position VMPAC-VC-14 Cover with manual override 1) 14 for valves with one solenoid coil VMPAC-VC-MO-14-1 Cover with manual override 1) 12 and 14 for valves with two solenoid coils VMPAC-VC-MO-14-2

1) MO = manual override

Tab. 2. 6

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2 Product overview

1 Manifold sub-base 2 Va lve

4 Cover of the manifold sub-base 5 Cover plate for non-assigned valve position

3 Mounting screws of the cover

Fig. 2.4 Manifold sub-base with valve and cover

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2 Product overview

2.4.5 Pneumatic supply

The valve terminal can be supplied pneumatically as follows: – via the left and right end plate (standard) – via the optional supply plate VMPAC-SP-O. The valve terminal can be equipped with up to 8 supply

plates. The electronics module (blue) of the supply plate is not assigned an address.

– via an optional manifold sub-base VMPAC-AP-14-SP-…

2.4.6 Pilot air supply

The pilot control of the solenoid valves is supplied with internal or external pilot air. This pilot air for the total valve terminal (also beyond the pressure zones) is fed in via the right end plate. The type of pilot air supply is determined with the selector sleeve (è Fig. 2.5) in the right end plate (è Tab. 2.7).

1 Blanking plug with internal pilot air supply 2 Port 12/14 for external pilot air 3 Right end plate

4 Selector sleeve for the external pilot air

supply

5 Fitting for connecting the external pilot air

supply

Fig. 2.5 Internal/external pilot air supply

Internal pilot air supply is only permitted if the operating pressure of the last pressure zone (next to the right end plate) is between 3 and 8 bar.

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2 Product overview

You can identify the pilot control variant of your valve terminal by the following key features:

Pilot control

Pilot air supply External Internal

Key feature – Selector sleeve in pilot con

trol duct (12/14) of the right end plate

– No selector sleeve in pilot

control duct (12/14) of the right end plate

– Pilot control port (12/14) is

sealed with blanking plugs

Pilot air supply Fed in via the pilot control

port (12/14)

Requirements – Separately controlled pilot

pressure (3 ... 8 bar)

– Operating pressure depend

ent on the valve –0.9 … 8 bar

Branched from the duct (1) in the right end plate – Operating pressure

3 ... 8 bar

– Operating pressure free of

pressure fluctuations

(è Appendix A, Tab. A.5)

Tab. 2.7 Pilot control

Conversion between internal and external pilot air supply is described in Chapter 7.4.

2.4.7 Exhaust air

The exhaust air (3) and (5) of the working air is removed as follows: – via the left and right end plate – optionally via manifold sub-base VMPAC-AP-14-SP-… – optionally via supply plate VMPAC-SP-O The pilot exhaust air is vented via port 82/84 in the right end plate.

2.4.8 Pressure compensation

Note

To prevent pressure from building up under the valve covers, any pressure created is removed through the port (L) of the right end plate.  Do not seal the port (L) on the right end plate under any circumstances.  Remove the pressure with ducts.  Do not use a check valve in the line.

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2 Product overview

2.4.9 Pressure zone separation

The valves can be supplied with different pressures by creating pressure zones. Separation of the pres sure zones is achieved through special plugs in the ducts (1), (3) or (5) (è Fig. 2.6). In each case the valve mounted to the right of the separator belongs to the next (following on to the right) pressure zone, which is the valve mounted on the manifold sub-base with separator in the current pressure zone. Installation of the separators is described in chapter 7.5.

1 Exhaust duct (3) 2 Supply duct (1)

Fig. 2.6 Pressure zone separators

Pressure zone separation of the pilot duct (12/14) is not provided, since, with the valve terminal, the pilot air supply for the pilot control of the valves is supplied centrally via the right end plate.

3 Exhaust duct (5) 4 Separators VMPAC-TE-1-3-5

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2 Product overview

2.4.10 Electrical connection

On the left end plate of the valve terminal, one of the following electrical connections can be found on the valve side (front) or connection side (rear): – Valve terminal with multi-pin plug: Sub-D connection with 25 or 44 pins – Valve terminal with IO-Link: Sub-D interface with 9 pins

1 Sub-D connection on the valve side

(front side, on top)

2 Sub-D connection on the connection side

(reverse side, underneath)

Fig. 2.7 Electrical connection on the left end plate

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2 Product overview

The following pneumatic connections and, of necessary, the electrical connection are located on the connection side of the valve terminal:

1 Exhaust port (5) 2 Exhaust port (3) 3 Supply port (1) 4 Working port (2) 5 Working port (4) 6 Pilot air supply port (12/14) 7 Pilot exhaust port (82/84)

Fig. 2.8 Pneumatic connections

8 Pressure compensation connection (L) 9 Manifold sub-base with supply ports

(optional)

aJ Supply plate (optional) aA Sub-D connection/interface

(on the connection side here)

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2 Product overview

2.4.11 Display and operating components

The following display and operating elements and the electrical connection, if applicable, are located on the valve side of the valve terminal:

1 Sub-D connection/interface

(here on the valve side)

2 Inspection window of the switching status

indications (yellow LEDs)

Fig. 2.9 Display and operating components

3 Manual overrides (MOs), non-detenting 4 Inspection window of the ident. code for

the valve

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2 Product overview

2.4.12 Switching status indication of the valves

There is an LED and an optional manual override (MO) for each solenoid coil. The LED and MO for the corresponding solenoid coil are arrayed as follows:

1 LED and manual override for the valve

solenoid coil 14

2 LED and manual override for the solenoid

coil 12

Fig. 2.10 Configuration of the LED and manual override for the corresponding solenoid coil

The switching statuses of the solenoid coils and their significance can be found in chapter 5.1

2.4.13 Manual override (MO)

The manual override enables the valve to be switched in a not electrically activated, de-energised status. Only the compressed air supply needs to be switched on. You should use the manual override mainly when commissioning the pneumatic system in order to check the function and operation of the valve or the valve-actuator combination. The valve is activated by pressing the manual override. After the manual override is released, the valve automatically switches by spring force back into the neutral position. Operation of the manual override is described in chapter 4.2.

A manually actuated valve (by manual override) cannot be actuated electrically. Con versely, an electrically actuated valve cannot be activated using the mechanical manual override. The valve only returns to the rest position when both actuations are reset.

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3 Mounting and installation

3.1 Mounting/dismounting

Note

Damage to the product from incorrect handling and mounting.  Never mount or remove the product when powered!  Only switch on the supply voltage when mounting and installation work are com

pletely finished.

Information for mounting the valve terminal can be found in the corresponding mounting instructions è www.festo.com/sp, enter search term: “Valve terminal MPAC-VI” or “Valve terminal MPAC-VI User Documentation”.

3.2 Compressed air preparation

3.2.1 Operation with unlubricated compressed air

Note

Too much residual oil content in the compressed air will reduce the service life of the valve terminal.  When using bio-oils (oils that are based on synthetic ester or native ester, e.g. rape

seed oil methyl ester), the maximum residual oil content of 0.1 mg/m3 must not be exceeded (è ISO 8573-1:2010 [–:–:2]).

 When using mineral oils (e.g. HLP oils in accordance with DIN 51524 Part 1 to 3) or

corresponding oils based on polyalphaolefin (PAO), the maximum residual oil con tent of 5 mg/m3 must not be exceeded (è ISO 8573-1:2010 [–:–:4]).

This avoids malfunctions of the valves.

Excessive residual oil content is not permissible, independent of the compressor oil, as otherwise the basic lubrication will be washed out with time.

3.2.2 Operation with lubricated compressed air

Note

The lifetime lubrication required for unlubricated operation can be “flushed out” when products are operated using lubricated compressed air. If the system was commissioned with lubricated compressed air, a changeover to un lubricated compressed air is not possible.

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3 Mounting and installation

Operate system equipment with unlubricated compressed air if possible. In this way, you protect the environment. Festo pneumatic valves and actuators have been designed so that, if used as intended, they will not require additional lubrication and will still achieve a long service life.

Observe the subsequent information if the use of lubricated compressed air is essential: The compressed air produced after the compressor must correspond to the quality of unlubricated compressed air. If possible, do not operate the total system with lubricated compressed air. If possible, always install the lubricators directly upstream of the con suming actuators.

Note

Incorrect supplemental oil and an oil rate in the compressed air that is too high will reduce the service life of the valve terminal.  Use Festo special oil OFSW-32 or the alternatives listed in the Festo catalogue

(conforming to DIN 51524-HLP32, basic viscosity 32 CST at 40 °C).  The additional lubrication must not exceed 25 mg/m 3 (è ISO 8573-1:2010 [–:–:5]).  Check the correct lubricator setting (è Following section). This avoids malfunctions of the valves.

Setting the lubricator

With the machine running (typical operating status), optionally: – 0.2 to max. 1 drop/min – 0.5 to 5 drops/1000 l air

Checking the setting

 Check the service units for condensate and lubricator setting twice a week. The procedure described subsequently can be used to check the lubricator setting.

1. Ascertain the actuator which is furthest from the lubricator.

2. Ascertain the valve terminal which controls this actuator.

3. Remove the silencer, if present, from the port (3/5).

4. Hold a piece of white cardboard at a distance of 10 cm from the exhaust port.

5. Let the system run for some time. è There must be only a slight yellow colouring on the cardboard. If oil droplets appear, this is an

indication that too much oil has been used. Another indicator of over-lubrication is the coloration or status of the exhaust air silencer. A distinctly yellow colouring of the filter element or drops of oil on the silencer indicate that the lubricator setting is too high.

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3 Mounting and installation

3.3 General installation instructions

Warning

Uncontrolled movements of the connected actuator technology and loose tubing can cause injury to persons and/or damage to property.  Before carrying out mounting, installation and maintenance work, switch off

the following: – Compressed air supply – Operating and load voltage supply.

The components of the valve terminals contain electrostatically sensitive components. The components could be damaged if you touch the contact surfaces of the plug connect ors or if you do not observe the handling specifications for electrostatically sensitive devices.

Note

Handle all modules and components of the valve terminal with great care.  Note especially the following:

– Exact placement of screws in the plastic thread (to avoid damage to thread) – Screws screwed in manually – Compliance with the specified torques – Clean connecting services (avoidance of leaking and contact errors) and intact

seals and sealing surfaces

– Sealing of unused ports with blanking plugs to avoid contamination and maintain

reliability.

For optimum performance of the valve terminal, we recommend that the valves should be supplied via

more than one supply and exhaust line if more than 6 valves are switched simultaneously to allow flow.

Back pressure

When exhausting large-volume actuators or if the exhaust performance is too small, back pressures

can build up in the valve terminal exhaust ducts. The back pressures can lead to pneumatic actuation of

other valves, especially with unswitched 3/2-way valves that are normally closed.

To avoid back pressures:

 Optimise the pressurisation and ventilation capacity of the valve terminal, for example, by using

larger diameter tubing or an additional compressed air supply via supply plates VMPAC-SP-O or manifold sub-bases VMPAC-AP-14-SP-….

 Possibly separate exhaust ducts through use of pressure zones (è Chapter 3.4.2).

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3 Mounting and installation

3.4 Connecting the valve terminal

Connections on the following components are available for pneumatic supply to the valve terminal: – on the left and right end plate – on the optional supply plate – on the optional manifold sub-base VMPAC-AP-14-SP-…

3.4.1 Pilot control (pilot air supply)

The pilot control is supplied with internal or external pilot air, dependent on the equipment of the right end plate. You can ascertain the pilot control variant for which your valve terminal is equipped by means of the following key features (è Tab. 3.1).

Pilot control variant Pilot control port (12/14) on the right end plate:

Operation with external pilot air supply – Open

– Built-in selector sleeve

Operation with internal pilot air supply – Sealed with blanking plugs

Tab. 3.1 Recognition features of the pilot variants

Internal pilot air supply

If the operating pressure lies within the required pilot pressure range for the valves (è Appendix A, Fig. A.1… Fig. A.2), you can operate the pilot control with an internally branched pilot air supply.

Internal pilot air supply is branched centrally from the supply port (1) in the right end plate. This also applies when the valve terminal is operated with several pressure zones (è Fig. 3.1).

External pilot air supply

If the operating pressure lies below the required pilot pressure (è Appendix A, Fig. A.1 … Fig. A.2), you must operate the pilot control with an external pilot air supply.

 Preferably use regulated external pilot air supply. Reliable faultless operation of the

valve terminal is then possible, e.g. even with fluctuating operating pressure.

 The external pilot air supply is supplied centrally for all solenoid coils via the pilot

airport (12/14) on the right end plate. This is the case even if the valve terminal is

operated with different pressure zones.  The selector sleeve must be mounted in the right end plate.  Adapt the external pilot air supply to the operating pressure at which the valves are

operated.

Conversion between internal and external pilot air supply is described in chapter 7.4.

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3 Mounting and installation

3.4.2 Pressure zone separation

The pressure zones are separated from each other through special sealing elements (è Chapter 2.4.9). These pressure zones are supplied via the end plates and, if necessary, via supply plate or manifold sub-bases with supply portsVPMAC-AP-14-SP-….

Note

 Operate the valves with ident. code I (2x 2/2-way valve) in a separate pressure

zone with separate exhaust duct (5) if the valve terminal is also equipped with other valves.

 Note the following for a valve terminal which is operated with an internal pilot air

supply and which has several pressure zones: – The internal pilot air supply is branched centrally from the supply port (1) of

the right end plate (è Fig. 3.1).

– The pressure zone, which is supplied via the right end plate, must be operated

at a pressure that corresponds to the required pilot pressure (è Diagrams Appendix A, Fig. A.1 … Fig. A.2).

For each pressure zone, you need the sealing elements for the corresponding channels. For all inside pressure zones, you additionally need a supply plate or manifold sub-base VPMAC-AP-14-SP-… (è Fig. 3.1).

The ports (1) or (3/5) are: – on the left end plate for the left outer pressure zone. – on the right end plate for the right outer pressure zone. – for all inside pressure zones on the corresponding supply plate or manifold sub-base

VPMAC-AP-14-SP-…. The position of the supply plate or manifold sub-base VPMAC-AP-14-SP-… within the pressure zone (left, centre or right) is optional.

By mounting a supply plate or manifold sub-base VPMAC-AP-14-SP-…within a pressure zone, you can provide additional supply air or extract exhaust air. This can be required if you switch many valves simultaneously to allow flow. The valve terminal can be equipped with a maximum of 8 supply plates.

The following figure (è Fig. 3.1) shows the assignment of the supply and exhaust connections to the valves using a valve terminal with blocked channels (1), (3) and (5) as an example.

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3 Mounting and installation

23 4

(3) (3)

(1)

(5)

(1)

(5)

1 Left end plate with port (1), (3) and (5)

5 Right end plate with port (1), (3) and (5)

for supply to pressure zone 1

2 Pressure zone 1 3 Pressure zone 2 4 Pressure zone 3

6 Supply plate with port (1), (3) and (5) for

Fig. 3.1 Example: Valve terminal with 3 pressure zones

(3)

(1)

(5)

(12/14)

for supply to pressure zone 3 with port (12/14) for supply to the pilot control of all pressure zones

supply to pressure zone 2

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3 Mounting and installation

3.4.3 Vacuum/low-pressure operation

Note

If valves are used for switching a vacuum, filters must be used in the suction line to avoid malfunctions caused by foreign matter sucked into the line. The 2x 2/2-way valves with ident. code D, I and the 2x 3/2-way valves with ident. Code N, K, H are not suitable for vacuum or low pressure operation (–0.9 … 3 bar). If you supply the valve terminal with operating pressure between (–0.9 … 3 bar) via port (1):  Operate the above-mentioned valves in a separate pressure zone.  Set the operating pressure for this pressure zone in accordance with the diagram

(è Appendix A, Fig. A.2).

The following requirements must be fulfilled in order to operate your valve terminal at the supply port (1) with an operating pressure between –0.9 ... 3 bar: – The pilot control is operated with regulated external pilot air supply die (pilot pressure

è Appendix A, Fig. A.1, Fig. A.2).

– The valve terminal must be equipped only with the following valves and, if necessary, have additional

pressure zones.

Pressure zone supply via port

Applicable valve

(1)

Pressure zone with an operating pressure between –0.9 … 3 bar

– 5/2-way valve, monostable (ident. code M and MS) – 5/2-way bistable valve (ident. code J) – 5/3-way valves (ident. code B, E and G) – 2x 3/2-way valves (ident. code HS, KS and NS) – 3/2-way valve (ident. code W and X)

– 2x 2/2-way valve (ident. code DS) Pressure zone with operating pressure > 3 bar

– All above valves

– 2x 3/2-way valves (ident. code H, K and N)

– 2x 2/2-way valves (ident. code D and I)

1) The valves with ident. code D, H, I, K and N are not suitable for vacuum or low-pressure operation!

Tab. 3.2 Valves for vacuum and low pressure operation

Valve with ident. code W and X, 3/2-way valve: – These valves are supplied individually, independent of the supply port (1). – The valves can be operated in the range of –0.9 … 8 bar. – The pilot air is supplied through the valve terminal. – The ports via which these valves are supplied with compressed air or vacuum and via

which exhaust air is removed are shown in Tab. 3.3.

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3 Mounting and installation

3/2-way valve Compressed air or vacuum

Exhaust air via port

via port

Ident. code W (2) (5) Ident. code X (4) (3)

Tab. 3.3 Connections to valves with ident. code X and W

Valve with ident. code I, 2x 2/2-way valves: – With this valve, vacuum is supplied at port (5). Solenoid coil 14 switches the vacuum

to port (4).

– The operating pressure at port (1) can be used as an ejector pulse at port (2).

The operating pressure is switched to port (2) with solenoid coil 12.

– If the valve terminal is also equipped with other valves, operate this valve in

a separate pressure zone with separate exhaust duct (5).

3.4.4 Connecting the pneumatic lines

Note

Do not use fittings with taper thread. The thread in the manifold sub-base, supply and end plates can be damaged through taper thread!

 Use blanking plugs to seal ports not required for the functional reliability of the valve terminal.  Mount the fitting or the silencer (è Tab. 3.4). Then lay the tubing lines.

In the valve terminal, the pilot exhaust air on the right end plate must be exhausted through port (82/84).

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3 Mounting and installation

(1) (3) (1) (2) (4) (3) (1) (5)

(3)

(5)

(12/14)

(82/84)

(5)

(L)

Fig. 3.2 Position of the Pneumatic connections on the valve terminal

Line Connection

code (ISO 5599)

Connection size (ISO 228)

Compressed air or vacuum (1) GÅ"

(G¼")

Connection

Fitting in:

– left and right end plate

– optional supply plate VMPAC-SP-O – optional manifold sub-base

Pilot air (external pilot air

VMPAC-AP-14-SP-…

(12/14) Gx" Fitting in right end plate

supply) Ducted exhaust air from the valves

(3) or (5) GÅ"

(G¼")

Fitting in:

– left and right end plate – optional supply plate VMPAC-SP-O – optional manifold sub-base

Ducted exhaust air from

VMPAC-AP-14-SP-…

(82/84) Gx" Fitting in right end plate

the pilot control Air or vacuum (2) or (4) G¼" Fitting in manifold sub-bases Pressure compensation (L) Gx" Fitting in right end plate

1) Depending on what you have ordered, the valve terminal may already be equipped with QS fittings.

2) Manifold sub-base with working ports 2, 4 and supply ports 1, 3 and 5

Tab. 3.4 Assignment of the ports

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3 Mounting and installation

3.5 Installation of the tubing lines

If elbow connectors or multiple distributors are used, the air flow will in general be reduced.

For NPCK fittings, only use PUN-H type hoses.

3.5.1 Connecting

1. Push the tubing as far as possible into or over the tubing connector of the fitting.

2. Tighten the clamping screw 1 or, if applicable, pull the locking ring 2 over the tubing connector.

3. Seal ports that are not required with blanking plugs 3.

4. For better system clarity, bundle together the installed tubes with tubing straps or multiple hose holders

Fig. 3.3 Mounting the tubing connections

3.5.2 Removing

Warning

If the pneumatic tubing is under pressure when dismounted, it may perform sudden unexpected movements, causing injury to persons. Carry out the following steps before disconnecting the pneumatic tubing on the valve terminal:  Deactivate compressed air supply.  Make sure that all pneumatic tubing is unpressurized.  Exhaust all actuators controlled by valves which are closed in normal or

mid-positions.

1. Mark all pneumatic tubing.

2. Loosen the clamping screw (è Fig. 3.4, 1 ) of the fitting or, if necessary, press down the locking ring of the fitting 2, e.g. with the QSO releasing tool from Festo.

3. Remove the tubing from the fitting.

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3 Mounting and installation

Fig. 3.4 Removing the tubing connection

3.5.3 Common pneumatic lines

Observe the following instructions on installing the pneumatic components. Only then can you guaran tee trouble-free operation.

If there are several systems with centrally ducted exhaust air:  Use check valves in the common exhaust lines (3/5) or (82/84) in order to prevent

functional impairment due to back pressures.

1 First valve terminal 2 Common exhaust line (3/5) 3 Central pilot air exhaust tubing (82/84)

Fig. 3.5 Common lines with check valves

4 Central exhaust line (3/5) 5 Second valve terminal 6 Common pilot air exhaust line (82/84)

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3 Mounting and installation

3.6 Connecting the electric cables

Notes on electrical installation can be found in the respective brief description for the electrical interface accompanying the valve terminal.

3.7 Address assignment

– Addresses may be shifted if the valve terminal is extended. – If a monostable 5/2-way valve (requires an address) is mounted on a manifold sub-

base that supports the actuation of 2 addresses, one address remains unused.

Addressing rules:

– Address assignment is in ascending order without gaps, from left to right. – Address assignment is independent of whether the manifold sub-base is equipped with or without

a valve.

– Depending on the electronics module, a valve position, comprising a manifold sub-base with elec

tronics module, occupies the following number of addresses:

Colour of the electronics module

Grey 1 --Black 2 – Less significant address for coils 14

Tab. 3.5 Colour coding of the electronics modules

– A supply plate does not occupy an address (blue electronics module)

Number of occupied addresses/valve position

– Higher-value address for coils 12

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3 Mounting and installation

3.7.1 Addressing example

For controlling the valves, each coil is assigned to a specific pin of the Sub-D connection. The following example shows the address assignment of a valve terminal with 8 valve positions, supply plate and cover plate.

3547

1 Less significant addresses of coils 14 2 Higher-value addresses of coils 12 3 Supply plate with blue electronics module 4 Manifold sub-bases with grey electronics

module for valves with a solenoid coil and corresponding valve cover

Fig. 3.6 Addressing example (top view)

5 Manifold sub-base with black electronics

module without valve, with valve cover

6 Manifold sub-base with black electronics

module, valve and additional supply

7 Manifold sub-bases with black electronics

modules for valves with two solenoid coils and corresponding valve cover

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3 Mounting and installation

Pin Address Va lv e

Coil Description

position no.

120

342

564

———

—

0 14

1 14

2 14

3 —

—

3 valve positions equipped with: – Valves with two solenoid coils each – Black electronics modules

Supply plate: – Blue electronics module (does not occupy

an address)

786

4 14

Valve position equipped with: – Valve with two solenoid coils – Black electronics module

9 8 5 14 Valve position equipped with:

– Valve with one solenoid coil – Grey electronics module

10119

6 14

—

Valve position equipped with: – Valve with one solenoid coil – Black electronics module – Address 10 is assigned, but is not required

by the valve.

121311

7 —

Valve position equipped with:

—

– Cover plate (valve position without valve) – Black electronics module – Addresses 11 and 12 are assigned.

25 0 V/24 V Connect 0 V with positive-switching control signals,

24 V with negative-switching control signals. Mixed operation is not permissible!

Tab. 3.6 Addressing example

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4 Commissioning

4.1 Prior to commissioning

Carry out the following steps in preparation for commissioning:  Switch off the power supply before connecting or disconnecting plug connectors (otherwise func

tional damage).  Only commission a valve terminal that has been mounted and wired completely.  Make sure there is an adequate exchange of air (cooling) during the following operating conditions:

– maximum valve configuration

– maximum operating voltage

– endurance stress of the solenoid coils  Note the specifications concerning the operating medium.

4.1.1 Pressure build-up in the overall supply

Warning

If the build-up of pilot air is too slow or delayed, this may lead to sudden unexpected movements of the actuators under the following conditions: – When the compressed air is connected via a safety start-up valve (gradual pressure

build-up) and – If there are electric signals (e.g. after EMERGENCY OFF switching). This can cause damage to the machine or system and even injury to persons.  Operate the valve terminal with external pilot air (3 ... 8 bar). Branch the pilot air in

front of the safety start-up valve (see Fig. 4.1).

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4 Commissioning

Immediately after switch-on, the pilot air supply must reach a pressure of 3 ... 8 bar. Otherwise there is no guarantee that the valve will reverse directly (è Fig. 4.1). If the pressure is less than 3 bar, there may be a delay before the valve is switched, in spite of an elec tric signal being present. The gradual pressure build-up of the overall supply does not affect the actuat or in that case. The actuator would react suddenly (e.g. a cylinder would extend or retract suddenly, depending on the valve function).

82/84

14 12

12/14

1 External pilot air (3 to 8 bar), branched in

front of the safety start-up valve

2 Safety start-up valve (gradual pressure

build-up of the complete supply)

Fig. 4.1 Example: valve-cylinder combination with slow pressure build-up of the complete system

The table below shows the effects of gradual start-up pressurisation when electric signals are present:

External pilot air supply Pressure

rise in the overall

Pressure rise in the pilot air (12/14)

Time when a valve reverses

Movement of the actuator

supply

Branched downstream of

Slow Slow After pressure rise at (1) Fast

the safety start-up valve

Branched upstream of the safety start-up valve

Slow Fast Before pressure rise

at (1)

Slow

Tab. 4.1 Effects of slow start-up pressurisation

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4 Commissioning

4.2 Testing the valves and the valve/actuator combination

The valve terminal can be commissioned as follows:

Commissioning variants Activity

Preliminary test of the pneumatic tubing connection Complete commissioning of the complete system

Tab. 4.2 Commissioning variants

Commissioning the pneumatic components by means of the manual override is described below.

Warning

Before testing the valve-actuator combination: – Make sure that nobody is in the danger zone. Before actuating the manual overrides (MO): Uncontrolled actuation of solenoid coils can cause the actuators to perform sudden unexpected movements, which may cause personal injury and material damage.  Disconnect the operating voltage supply for the solenoid coils from the correspond

ing connections on the valve terminal. This prevents accidental actuation of the solenoid coils.

Note

A valve that has been switched by an electric signal cannot be reset by the manual over ride. The electric signal is dominant in this case.  Reset the electric signal before actuating the manual override.

Checking the valve-actuator combination by means of the manual override (MO) Installing and connecting the overall system. Program control via PLC/industrial PC.

Proceed as follows:

1. Switch on the compressed air supply.

2. Check the functionality and method of operation of each valve-actuator combination by actuating the relevant manual override (è Tab . 4.3 ).

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4 Commissioning

Note

Incorrect actuation of the non-detenting manual override can result in malfunctions or damage to the manual override.  To actuate the manual override, use a blunt plastic pin (max.  6.5 mm), for ex

ample. In this way, you avoid damaging the plastic of the MO.  Operate the manual override with max. 25 N. If the manual override is in the actuated state, it is not possible to reset the valve to its neutral position with an electric signal. The manual override is dominant in this case.

Non-detenting operation of the manual override (reset: automatic)

Operation Valve response

 Press in the plunger of the MO,

for example, with a blunt plastic pin (max.  6.5 mm), until the valve switches.

 Hold down the plunger of the MO. The valve remains switched.  Put down the plastic pin. The spring force presses the plunger of

The pilot valve switches and actuates the valve into the switching position.

the MO back to the normal position. The pilot valve returns to the normal position, and so, too, does the mono stable power valve (not for bistable valves, code J) .

Tab. 4.3 Non-detenting actuation of the manual override

3. Switch off the compressed air supply after testing the valves.

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5 Diagnostics and fault clearance

5.1 Switching status indication of the solenoid coils

The LEDs on the valve covers show the switching statuses of the solenoid coils. The LEDs are depicted symbolically in the following table. For the valve terminal, the LEDs are visible through the transparent labelling 12 and 14 on the valve cover.

LED (yellow) Switching position of the valve Significance

Normal position Logic 0 (signal not present)

off

Switching position (normal case)

LED (number) is lit

Tab. 5.1 Meaning of the LED display

Normal position (error) Logic 1 (signal is present, valve has not

Logic 1 (signal is present, valve has switched)

switched): – Operating voltage of the valves lies below

the permitted tolerance range

– Compressed air supply not OK

– Pilot exhaust is blocked

– Servicing required

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5 Diagnostics and fault clearance

5.2 Functional impairments

After switching on the compressed air supply or when subsequently testing the individual valves, you can learn the following about the operating status of the pneumatic system:

Operating status of the pneumatic system

Air escapes. – At common-line or

working-line connections Valve or pneumatic system … – Does not react

as expected – Does not react  After switching on again, check the operating pressure

Tab. 5.2 Functional impairments of the pneumatic system

Error handling when the compressed air supply has been switched off

 Check tube mounting

 Check the installation of the tubing lines  Check the electric cables

(if necessary for each pressure zone). Set operating pressure

in accordance with instructions in chapter 3.  Servicing required For valve terminals which must be operated with closed-loop regulated external pilot air supply:  After switching on again, check the pilot pressure (if necessary,

set as a factor of the operating pressure, see chapter 3)

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5 Diagnostics and fault clearance

5.3 Operating statuses of the pneumatic system

The following requirements should be fulfilled in order to achieve the desired pneumatic operating statuses listed below:

Desired pneumatic operating status

Zero leakage – Tubing connected with care

Fast reaction Sufficient pressure supply by means

Trouble-free Check valves in common exhaust line This applies when several systems

Two or more pressure zones

Vacuum or low-pressure operation EMERGENCY OFF of pressure zones

Slow switch-on after EMERGENCY OFF

Tab. 5.3 Pneumatic operating statuses

Requirement Comment

– Regulated pilot air supply

Exhaust the valve terminal via all

of compressed air supply

– Limitation of the pressure zones

by means of separating seals in the blocked channels

– Corresponding number of pneu

matic supply plates for supplying

the various pressure zones. Externally supplied regulated pilot air supply (3 … 8 bar)

Guarantees the controller function for the pilot air supply despite the overall supply being switched off If control signals are present, the pilot air supply must have a pressure of 3 ... 8 bar immediately after being switched on

exhaust plates or flat plate silencers

with centrally ducted exhaust air are used Subsequent conversion possible (see Chapter 5)

Valves with ident. code D, H, I, K } and N are not suitable for vacuum/low-pressure operation The controller regulates the pilot air supply to all valves of a valve terminal

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6 Cleaning and maintenance

6.1 General safety measures

Warning

Uncontrolled movements of the connected actuator technology and loose tubing can cause injury to persons and/or damage to property. Before carrying out installation and maintenance work, switch off the following:  Compressed air supply  Operating and load voltage supply.

Note

Handle all modules and components of the valve terminal with great care. Note espe cially the following when mounting components:  Screws inserted exactly (prevents damage to threads).  Screws must be turned by hand only and inserted so that the self-cutting threads

can be used.  Comply with the specified torques.  Threaded fittings must be free of distortion and mechanical tension.  Check seals for damage (to maintain IP degree of protection è Appendix A,

Tab. A.4).  The contact surfaces must be dry and clean (sealing effect, avoidance of leakage

and contact errors).

Electrostatic sensitive components: Do not touch any electrical or electronic components.

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6 Cleaning and maintenance

6.2 Cleaning the valve terminal

Note

Disinfectants may contain substances which can damage the components in the short or long term (e.g. sodium hypochlorite).  Avoid using cleaning agents with a sodium hypochlorite basis.  Do not disinfect the valve terminal with UV light.  Note that the IP degree of protection is without addition of cleaning agents.

Cleaning agents can reduce the surface tension. – To clean the valve terminal, hot cleaning agents up to +80 °C can be used. In individual cases you should consult the manufacturer of the cleaning agent/ disinfectant regarding its compatibility with the materials of the valve terminal.

Caution

Accidental actuation of the manual override during cleaning  Switch off the pressure supply to the valve terminal In this way, you avoid an unintended actuation of the manual override from the highpressure spray.

Note

Material damage to the valve terminal and seals.  Do not hold a focused or rotating high-pressure spray on the valve terminal,

especially on the seals.

Material damage can occur from incorrect cleaning. Festo recommends maintaining the following para meters during cleaning:

– Water pressure < 100 bar – Spray distance > 300 mm – Flat spray nozzle with spray distribution > 30 ° – Maximum flow rate < 15 l/min – Maximum water temperature +80 °C

– To clean the valve terminal, foam, spray and gel procedures can be used, for example.

Concentration, processing temperature and environmentally friendly use of the cleaning agent should follow the specifications of the cleaning agent manufacturer (see data sheet).

Clean the valve terminal as follows:  Switch off the operating and load voltage supply.  Use cleaner with a maximum of 1 % nitric acid and a maximum of 2 % caustic soda.  For valve terminals with exhaust air silencers, make sure that no water can enter the silencers dur

ing cleaning.

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6 Cleaning and maintenance

 After cleaning, rinse the valve terminal with plenty of clear water, so that the cleaning agent cannot

dry on it. Otherwise, after the valve terminal is cleaned several times, there may be sufficient con centration of the cleaner to harm the surface of the valve terminal.

6.3 Maintaining the valve terminal

6.3.1 Cleaning or replacing the silencer

Caution

Fire risk due to highly inflammable cleaning materials  Observe the safety regulations for handling highly inflammable cleaning materials.

Caution

Health hazard  For cleaning, do not use chlorinated hydrocarbons (CHCs), such as trichloroethylene

(TCE), but petrol or kerosene instead.

Note

Avoiding malfunctions If you remove the exhaust air at the valve terminal via silencers: Contamination of the silencers can cause an increase in pressure in exhaust ducts (3) and (5).  Clean the silencers when these are discoloured yellow/black or a dark colour or

replace them. You can then guarantee excellent functioning of the silencers and avoid malfunctioning of the valves.

1. Loosen and remove the silencers.

2. Clean the silencers with petrol or kerosene or replace them with new ones.

3. Screw the silencers back into the corresponding ports. Tightening torques: – Ports (3) and (5): 5 Nm (±10 %) – Ports (82/84) and (L): 2 Nm (±10 %)

6.3.2 Replacing the valve or cover plate

Dismounting

 Loosen the screws from the cover by using a box spanner (è Fig. 6.1, 1 ). Take the cover off the

manifold sub-base.

 Use a screwdriver with a narrow blade to loosen the mounting screws of the valve or cover plate and

remove it from the manifold sub-base (è Fig. 6.1, 2 ).

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6 Cleaning and maintenance

1 Mounting screws of the cover

3 Manifold sub-base

2 Mounting screws of the valve

Fig. 6.1 Valve dismantling

Mounting

1. Check the seals for damage, especially the cord seals of the valve or cover plate and the IP seal of the cover.

2. Replace seals if they are damaged.

3. Make sure that the cord seal is positioned correctly between the manifold sub-base and valve or cover plate. The cord seal must sit in the cut-out of the valve or cover plate.

4. Insert the valve or cover plate into the manifold sub-base (è Fig. 6.2).

5. Tighten the screws for the valve or cover plate at first so they are hand-tight and then tighten firmly (tightening torque: 0.65 Nm (±10 %)).

6. Put the IP seal and the cover onto the manifold sub-base in the right position.

7. Tighten the screws for the cover at first so they are hand-tight and and then tighten firmly with a box spanner (tightening torque: 2.0 Nm (±10 %)).

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6 Cleaning and maintenance

1 Sealing disc 2 Mounting screws of the cover 3 Cover of the manifold sub-base 4 Va lve

Fig. 6.2 Mounting of valve or cover

5 Cord seal 6 Manifold sub-base 7 IP seal 8 Mounting screws of the valve

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7 Conversion

The following conversion work can be undertaken on the valve terminal: – Conversion to internal or external pilot air supply – Addition of pressure zones – Addition of valve positions (manifold sub-bases) – Addition of supply plates for pneumatic auxiliary power supply

Shortening the valve terminal

Shortening the valve terminal by individual valve positions is only possible if the tie rod system is con structed from individual extension pieces (è Fig. 7.1).

Information on permitted possible combinations of components and accessories can be found in the Festo Catalogue (è www.festo.com/catalogue).

7.1 Tie rod system

The mechanical connection between the modules of the valve terminal is achieved via a tie rod system in the manifold sub-base, supply and end plates.

Design

The tie rod system of the valve terminal consists mainly of three parts: – Threaded rod with lug for spanner, size 5 – Threaded sleeve with internal hexagon socket, size 4 – Tie rod screw with external hexagon, size 6 In addition, there is another extension piece to enable subsequent extension of the valve terminal.

1 Threaded sleeve 2 Tie rod screw 3 Sealing disc

Fig. 7.1 Components of the tie rod system

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4 Extension piece 5 Threaded rod (graduated lengths available)

7 Conversion

Extension

An extension of the valve terminal by one of more manifold sub-bases means that the tie rod system must be extended. To do this, a corresponding number of extension pieces are screwed in between the threaded rod and threaded sleeve. For manifold sub-bases or pneumatic supply plates, a corres ponding extension piece is available:

Product type

VMPAC-ZAE-14 Extension piece for one manifold sub-base

Tab. 7.1 Extension piece for tie-rod system

7.2 Replacing or extending the manifold sub-base, supply plate or replacing the right end plate

If manifold sub-bases are used only with electronics modules of the same type (è Chapter 2.4.1), the following maximum number of valve positions results (è Tab. 7.2):

Controllable solenoid coils per valve position max. number of valve positions

1 32 2 16

1) For manifold sub-bases with electronics modules of the same type

2) Maximum of 24 manifold sub-bases for valve terminal with Sub-D multi-pin plug connection with 25 pins (è Tab. 2.1)

3) Maximum of 12 manifold sub-bases for valve terminals with Sub-D multi-pin plug connection with 25 pins (è Tab. 2.1)

Tab. 7.2 Maximum number of manifold sub-bases

Dismounting

1. Loosen the electric and pneumatic connections and then remove the valve terminal from its mount

ing surface (è Chapter 3.1).

2. Place the valve terminal on a flat working surface.

3. Loosen and remove the five screws of the tie rod on the right end plate using a size 6 ring spanner

(è Fig. 7.2). The loosened manifold sub-bases are now only held in place by the electrical linking.

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7 Conversion

1 Right end plate

3 Tie rod screw

2 Sealing disc

Fig. 7.2 Loosening the right end plate

4. Pull off the components on the right of the components to be exchanged or extended.

5. If necessary, pull off the components to be exchanged and replace them.

6. For extension: Loosen the threaded sleeves from the threaded rods of the tie rod with a socket head screw, size 4. Prevent the threaded rods from moving in the left end plate by counter-holding them with an openended spanner, size 5.

Mounting

1. Check the free cord seals on the separation points of the manifold sub-bases for damage.

2. Replace damaged cord seals.

3. Screw the extension pieces of the tie rods between the threaded rods and threaded sleeves (è Fig. 7.1) and tighten them by hand. For an extension of the valve terminal by several components, the extension pieces are screwed together in a row between the threaded rod and the threaded sleeve.

4. Check that all five tie rods of the valve terminal are the same length.

5. Tighten the loosened tie rods with an open-ended spanner, size 5, in the left end plate (è Fig. 7.3, torque 2.0 Nm ±10 %).

6. Place the manifold sub-bases and, if necessary, the supply plates in the desired order on the tie rod. Then put on the right end plate.

7. Put a sealing disc onto each tie rod screw (è Fig. 7.2, 2 ).

8. Push the five tie rod screws through the drill holes of the right end plate into the threaded sleeves.

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7 Conversion

Fig. 7.3 Fitting of the manifold sub-bases using tie rods

9. Then tighten the screws (A/F 6) in the sequence 1 … 5 (è Fig. 7.4) as follows: – 1st step: hand-tight – 2nd step: 2.0 Nm ( ± 10 %) – 3rd step: 3.5 Nm ( ± 10 %)

10.Then check the torque on all five screws, as the torque on the screws can change during the tighten ing process.

(4)

(3)

(5)

(1)

(2)

Fig. 7.4 Fittings in the right end plate

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7 Conversion

11.Mount the valve terminal to the mounting surface (è Chapter 3.1).

12.Install the pneumatic and electrical connections (è Chapter 3.4).

7.3 Replacing electronics modules

The electronics module is a part of the manifold sub-base or supply plate. It can only be replaced to gether with the corresponding manifold sub-base or supply plate (è Chapter 2.4.1 and Chapter 2.4.5).

The electronics module may be damaged if it is handled incorrectly.  Switch off the power supply before removing the electronics modules.  Do not touch any components.  Observe the handling specifications for electrostatically sensitive devices.  Discharge yourself from static discharges before assembling or disassembling mod

ules to protect the modules.

Note

To avoid accidental address shifts and the resulting maloperation, replace only manifold sub-bases with the same type.

To replace a manifold sub-base or supply plate, the valve terminal must be partially disassembled (è Section 7.2).

7.4 Conversion between internal and external pilot air supply

Mixed operation of the valve terminal with internal and external pilot air supply is not intended. Independently of the available pressure zones for various operating pressures, all solenoid coils of the valve terminal are supplied with a common pilot air.

You can recognise the pilot air supply for which your valve terminal is designed by whether the port 12/14 is sealed on the right end plate or equipped with a fitting (è Chapter 2, Fig. 2.5).

Conversion from internal to external pilot air supply

1. Remove the blanking plug from the port 12/14 on the right end plate (è Fig. 7.5).

2. Lubricate the selector sleeve with a lubricating grease that is safe for food products in accordance with the manufacturer's declaration (e.g. class NSF H1).

3. Push the greased selector sleeve into the port 12/14 of the right end plate up to the stop.

4. Screw the fitting into the port 12/14. – Tightening torque, thread size G⅛": 2.0 Nm (±10 %) – Tightening torque, thread size NPCK G⅛": 2.0 Nm (±10 %)

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7 Conversion

Conversion from external to internal pilot air supply

1. Remove the fitting from port 12/14 on the right end plate (è Fig. 7.5).

2. Screw an M5 socket head screw into the selector sleeve.

3. Pull the selector sleeve out of the port 12/14 with the help of the socket head screw.

4. Seal the port 12/14 with a blanking plug.

1 Blanking plug with internal pilot air supply 2 Port 12/14 for external pilot air 3 Right end plate

Fig. 7.5 Conversion to external pilot air

4 Selector sleeve for the external pilot

air supply

5 Fitting for connecting the external pilot

air supply

7.5 Addition of pressure zones

For the conversion you will require at least the following components for each pressure zone: – One separator per channel to be separated (è Chapter 2, Fig. 2.6) – In case of more than 2 pressure zones, one pneumatic supply plate each for the inside pressure

zones (è Chapter 2.4.5). The procedure to convert pressure zones corresponds to the replacement or extension of components, as described in Chapter 7.2.

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7 Conversion

Proceed as follows:

1. Loosen and remove the tie rod screws.

2. Remove the right end plate from the tie rod.

3. Remove from the tie rod all manifold sub-bases and supply plates to the right of the pressure zone separation to be installed.

4. Lubricate the VMPAC-TE… separators to be installed, using a lubricating grease that is safe for food products in accordance with the manufacturer's declaration (e.g. class NSF H1).

5. Insert a separator into each channel (1), (3) or (5) that you wish to separate (è Fig. 2.6). The valve mounted to the right of the separator belongs to the next (following to the right) pressure zone, while the valve mounted on the manifold sub-base with separator still belongs to the pressure zone to the left of the separators.

1 Exhaust duct (3) 2 Supply duct (1)

3 Exhaust duct (5) 4 Separators VMPAC-TE-1-3-5

Fig. 7.6 Pressure zone separators

6. Check the seals of the manifold sub-bases and replace if damaged.

7. Push the manifold sub-bases onto the tie rod (è Fig. 7.3).

8. Place the right end plate onto the tie rod.

9. Put a sealing ring onto each tie rod screw.

10.Insert the tie rod screws into the right end plates.

11.Then tighten the screws (A/F 6) in the sequence 1 … 5 (è Fig. 7.4) as follows: – 1st step: hand-tight – 2nd step: 2.0 Nm ( ± 10 %) – 3rd step: 3.5 Nm ( ± 10 %)

12.Then check the torque on all five screws, as the torque on the screws can change during the tighten ing process.

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7 Conversion

7.6 Conversion of the outlet orientation for the electrical connection

Dependent on your order, the electrical connection is either on the front side (valve side) or the reverse side (connection side). You can subsequently change the position of the electrical connection by repla cing the left end plate. For the conversion you will need the corresponding end plate (see Tab. 7.3).

Note

Valve terminals with a maximum of 2 manifold sub-bases: To replace the left end plate, you will need 5 new threaded rods, since the short threaded rods in the left end plate of your valve ter minal cannot be removed with conventional tools.

End plate, left Outlet

orientation

Front side (top)

Reverse side (underneath)

Tab. 7.3 Variants of the left end plate

Dismounting

1. Loosen the electrical and pneumatic connections and then remove the valve terminal from its mounting surface (è Chapter 3.1).

2. Place the valve terminal on a flat working surface.

Connection type Type code

Multi-pin plug connection, Sub-D, 25 pins

Multi-pin plug connection, Sub-D, 44 pins

Connection IO-Link, Sub-D, 9 pins

Multi-pin plug connection, Sub-D, 25 pins Multi-pin plug connection, Sub-D, 44 pins Connection IO-Link, Sub-D 9 pins

VMPAC-EPL-MP-SD25-O

VMPAC-EPL-MP-SD44-O

VMPAC-EPL-IP-O

VMPAC-EPL-MP-SD25

VMPAC-EPL-MP-SD44

VMPAC-EPL-IP

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7 Conversion

3. Loosen and remove the five screws of the tie rod on the right end plate using a size 6 ring spanner

(è Fig. 7.2). The loosened manifold sub-bases are now only held in place by the electrical linking.

4. Remove the right end plate.

5. Pull all components off the tie rod.

6. Loosen the threaded rods of the tie rod using an open end spanner, size 5, and unscrew these out of the left end plate (è Fig. 7.7).

Fig. 7.7 Remove the threaded rods from the left end plate

Mounting

1. Replace the existing left end plate with multi-pin plug connection/I-Port interface using the desired end plate variant.

2. Turn the threaded rods of the tie rod into the left end plate and tighten them with an open end span ner (size 5, torque 2.0 Nm ±10 %).

3. Carry out the mounting steps in the reverse order to dismounting.

4. Mount the valve terminal to the mounting surface (è Chapter 2).

5. Then install the pneumatic and electrical connections (è Chapter 3).

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A Technical appendix

A.1 Technical data

A.1.1 General

Mechanical

Mounting position

Wall mounting Any, follow the mounting

instructions

Weights

Left end plate (with multiple connector plate or I/O-Link connection, without fittings) [g] Per manifold sub-base (with sealing ring, electronics module, electrical interlinking module, valve and cov er, without fittings) [g] 280 Per manifold sub-base without valve (with sealing ring, electronics module, electrical interlinking module, blanking plate, cover, without fittings) [g] 230 Pneumatic supply plate (with sealing ring, electrical interlinking module) Right end plate (without fittings) [g] 230 Tie rod [g] 2 … 230 Tie rod extension [g] 60 Tie rod threaded sleeve [g] 10

Materials

Valves GD-AL, PPS, PA6T,

Cover PA12, PA10T/X-GF50 Manifold sub-base/supply plate PA10T/X-GF50 End plates / manifold sub-base with mounting thread PA10T/X-GF50, stainless steel

Seals Elastomer, EPDM Tie rod Stainless steel (not oxidising) NPCK fittings (accessories) High alloy steel, stainless

Tab. A.1 Technical data: Mechanical

250

[g]

160

PPA-reinforced

(not oxidising)

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A Technical appendix

Mechanical (continued)

Tightening torques (MA) Left end plate, multi-pin plug connection or I-port interface/IO-Link

Connecting cable fitting NEBV-C-S1-WA…-F-… or NEBC-C-S1-WA9-F-…

[Nm]

0.8 (±20 %)

Manifold sub-base

Val ve [Nm] 0.65 (±10 %) Valve cover

[Nm] 2.0 (±10 %)

Spacer bolt [Nm] 8 (±20 %)

Tie rod

Tie rod/threaded rod/threaded sleeve [Nm] 2.0 (±10 %) Screw [Nm] 1st step: hand-tight

Step 2: 2.0 (±10 %) Step 3: 3.5 (±10 %)

1) Use a box spanner.

Tab. A.2 Technical data: mechanical (continued)

Port

(1), (3), (5) G⅜", G¼"

Thread size Tightening torque [Nm] ±10 %

5.0

NPCK: G⅜" 12.0

(12/14), (82/84), (L) G⅛"

2.0

NPCK: G⅛" 4.0

(2), (4) G¼" 5.0

NPCK: G¼" 7.0

1) No fittings with taper thread permitted!

2) For manifold sub-base VMPAC-AP-14-SP-…

Tab. A.3 Tightening torques for fittings (accessories)

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A Technical appendix

A.1.2 Operating and environmental conditions

The valves can be used at temperatures down to -5 °C. In order to prevent the condensate and humidity from freezing, we recommend installing a dryer with which condensate and humidity can be removed.

Ambient conditions

Permitted temperature range

Long-term storage [°C] -20 … +40 Operation [°C] -5 … +60

Medium [°C] -5 … +60 Relative air humidity at 40 °C 90 % Degree of protection

– IP65/IP67/IP69K in accordance with

IEC 60529

– NEMA6 in accordance with NEMA 250

Corrosion protection CRC4

Vibration/shock resistance è Assembly instructions PWIS criterium PWIS-free

1) Requirement: valve terminal completely mounted, plug connector inserted or provided with protective cap. Observe that connec

ted devices might only satisfy a lower degree of protection, a smaller temperature range, etc.

2) Corrosion resistance class 4 in accordance with Festo standard 940070-2: Components subject to particularly high corrosion stress.

Externally visible parts with primarily functional surface requirements which are in direct contact with the surrounding industrial

environment or media such as solvents and cleaning agents.

Tab. A.4 Technical data: Ambient conditions

Valve terminal with multi-pin connection:  The maximum number of manifold sub-bases that can be configured equals the num

ber of addresses available (dependent on plug type, see section 2.3) Valve terminal with I-Port interface/IO-Link:  Per valve position, one or two solenoid coils and within the valve terminal a maximum

of 32 solenoid coils can be controlled via I-Port/IO-Link.

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A Technical appendix

A.1.3 Pneumatics

Solenoid valves

Operating/pilot medium Compressed air to ISO 8573-1:2010 [7:4:4] Note about the operating/pilot medium Lubricated operation possible (in which case

lubricated operation will always be required) Design Piston spool valve Manual override Non-detenting

Operating pressure/pilot pressure

Valves with internal pilot air supply (branched from port (1))

All valves at port (1)

The pressure at port (1) must lie within

the range of the required pilot pressure of

the valves

[bar]

(è Diagrams Fig. A.1 … Fig. A.2, max. 8). Valves with external pilot air supply

Valve position Ident. code B, E, G, J, M, W and X at port (1) [bar] –0.9 … 8 Valve position Ident. code DS, HS, KS, MS and NS at port (1) [bar] –0.9 … 8 Valve position Ident. code D, H, I, K and N at port (1) [bar] 3 … 8 All valves at port (12/14) [bar] è Diagrams Fig. A.1 … Fig. A.2 , max. 8

Tab. A.5 Technical data: solenoid valves

1 Pilot pressure at port (12/14) [bar]

3 Operating pressure at port (1) [bar]

2 Working area

Fig. A.1 Diagram: Required pilot pressure related to the operating pressure with use of valves with ident.

code B, E, DS, G, HS, J, KS, M, MS, NS, W and X

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A Technical appendix

1 Pilot pressure at port (12/14) [bar]

3 Operating pressure at port (1) [bar]

2 Working area

Fig. A.2 Diagram: Required pilot pressure related to the operating pressure with use of valves with

ident. code D, H, I, K and N

The fittings of the pneumatic ports cause a reduction in the nominal flow rate of the valves.

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A Technical appendix

Standard nominal flow rates MPA14 (size 14 mm) Val v e Ident. code Standard nominal flow rates [l/min] ±15 %

1 } 2 or 1 } 4

2 } 3/5 or 4 } 3/5

2x 2/2-way D 720 — 2x 2/2-way DS 570 — 2x 2/2-way I 730 3/5 } 4: 660 3/2-way, open W 4 } 2: 450 2 } 3: 430 3/2-way, closed x 4 } 2: 510 2 } 3: 430 2x 3/2-way H, N 730 640 2x 3/2-way HS, NS 550 570 2x 3/2-way K 760 610 2x 3/2-way KS 600 540 5/2-way M 720 740 5/2-way MS 730 750 5/2-way J 770 780 5/3-way, pressurized B 690 (480 ±25 %)

570 5/3-way, exhausted E 550 660 (510 ±25 %) 5/3-way, closed G 660 670

1) Flow direction 1 } 4 or 4 } 3/5, not with valves with ident. code I, W and X

2) Values for the mid-position are specified in brackets.

Tab. A.6 Technical data: nominal flow rates

Valve switching times MPA14 (size 14 mm) Val v e Ident. code Valve switching times [ms] ±25 %

(Method of measurement 0 … 10 %) On/changeover Off

2x 2/2-way D 12 30 2x 2/2-way I 10 28 2x 2/2-way DS 14 25 3/2-way W, X 12 20 2x 3/2-way H, K, N 12 38 2x 3/2-way HS 10 25 2x 3/2-way KS, NS 14 25 5/2-way, monostable M, MS 13 30 5/2-way, bistable valve J 9/24 — 5/3-way, pressurized B 16/26 50 5/3-way, exhausted E 13/26 50 5/3-way, closed G 13/26 52

Tab. A.7 Technical data: valve switching times

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A Technical appendix

A.1.4 Electrical data

General information

Electromagnetic compatibility (EMC)

Emitted interference Interference immunity

Declaration of conformity è www.festo.com Protection against electric shock (Protection against direct and indirect contact in accordance with IEC/DIN 60204-1)

1) The valve terminal is intended for use in an industrial environment. Outside of industrial environments, e.g. in commercial and

mixed-residential areas, actions to suppress interference may have to be taken.

2) The maximum signal cable length for the valve terminal with multi-pin plug connection is 30 m.

Through the use of PELV circuits

(Protected Extra-Low Voltage)

Tab. A.8 Electrical data: general

Valve terminal with multi-pin plug connection

Power supply

Nominal voltage (range) [V DC] 24 (18 … 30)

Current consumption (per solenoid coil, with LED) at 24 V DC

Nominal pick-up current [mA] 50 Pick-up duration [ms] 20 Nominal current with current reduction [mA] 10

Tab. A.9 Electrical data: valve terminal with multi-pin plug connection

Valve terminal with I-Port interface/IO-Link

Power supply valve terminal

Operating voltage (PS) (range) [V DC] 24 (18 … 30) Load voltage (PL) (range) [V DC] 24 (18 … 30) Residual ripple [Vpp] 4

Valve terminal intrinsic current consumption at 24 V DC

Operating voltage supply U Load voltage supply U

VAL/ OUT

(PS) [mA] 30

EL/SEN

(PL) [mA] 30

Current consumption (per solenoid coil, with LED) at 24 V DC

Nominal pick-up current [mA] 50 Pick-up duration [ms] 20 Nominal current with current reduction [mA] 10

Tab. A.10 Electrical data: valve terminal with I-Port interface/IO-Link

A.2 Accessories

è www.festo.com/catalogue

64 Festo – MPAC-VI-EN – 2017-12a – English

B Circuit symbol

B.1 Overview of valves

If the designations of the connections and control components on the valve terminal differ from the logical designation of the circuit symbols, the designations of the connections and control elements are specified additionally in the circuit symbols in brackets.

2/2-way valves

14 12

82/84

12/14

14 12

82/84

12/14

Tab. B.1 2/2-way valves

Ident. code: D Function: – Two monostable 2/2-way valves,

normally closed

– Pneumatic spring return

Ident. code: DS Function: – Two monostable 2/2-way valves,

normally closed

– Mechanical spring return

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B Circuit symbol

2/2-way valves

14 12

Ident. code: I, function: – Two monostable 2/2-way valves, both valves

normally closed, reversible valve on control

side 14

12/14

82/84

– Pneumatic spring return – With dual-pressure operation:

– Supply operating pressure via port 1 – Operating pressure can be separately

supplied at port (3/5).

– With solenoid coil 14, operating pressure

is switched from port (5) to port (4)

– With solenoid coil 12, operating pressure

is switched from port (1) to port (2)

– With vacuum operation:

– Supply operating pressure via port (1) – Supply vacuum via port (5) – With solenoid coil 14, vacuum is switched

to port (4)

– Plan a filter at port (4) or in tubing (4) so

that no contamination can enter the valve.

– With solenoid coil 12, operating pressure

is switched to port (2) (e.g. for an ejector pulse in vacuum operation)

– For an ejector pulse, establish a connec

tion using a T-piece between ports (2), (4) and the suction cup

1) Note: If this 2/2-way valve (ident. code I) is connected to other valves on the valve terminal, the 2/2-way valve is operated in

a separate pressure zone with separate exhaust duct (5).

Tab. B.2 2/2-way valves

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B Circuit symbol

3/2-way valves

82/84

12/14

82/84

12/14

82/8412/14

82/84

12/14

(14) 10 10

12/14

Tab. B.3 3/2-way valves

(12)

Ident. code: H Function:

– On control side 14, one monostable 3/2-way

valve (normally closed)

– On control side 12, one monostable 3/2-way

valve (normally open)

– Pneumatic spring return

Ident. code: HS Function:

– On control side 14, one monostable 3/2-way

valve (normally closed)

– On control side 12, one monostable 3/2-way

valve (normally open)

– Mechanical spring return

Ident. code: K Function: – Two monostable 3/2-way valves, normally

closed

82/84

– Pneumatic spring return

Ident. code: KS Function: – Two monostable 3/2-way valves, normally

closed

– Mechanical spring return

Ident. code: N Function: – Two monostable 3/2-way valves, normally

open.

– Pneumatic spring return

Festo – MPAC-VI-EN – 2017-12a – English 67

B Circuit symbol

3/2-way valves

(14) 10 10

82/84

12/14

(14)

14 84

(12/14)

(14)

14 84

Tab. B.4 3/2-way valves

5/2-way valves

(12/14)

Tab. B.5 5/2-way valves

(12)

(82/84)

(82/84)(12/14)

Ident. code: NS Function: – Two monostable 3/2-way valves, normally

open.

– Mechanical spring return

Ident. code: W Function:

– One monostable 3/2-way valve, normally

open, – External compressed air supply via port (2) – Pneumatic spring return Ident. code: X Function:

324

– One monostable 3/2-way valve, normally

closed, – External compressed air supply via port (4) – Pneumatic spring return

Ident. code: J Function: – One bistable 5/2-way valve

Ident. code: M Function:

– One monostable 5/2-way valve – Pneumatic spring return Ident. code: MS Function:

– One monostable 5/2-way valve – Mechanical spring return

68 Festo – MPAC-VI-EN – 2017-12a – English

B Circuit symbol

Note

– In a de-energised state, 5/3-way valves assume the mid-position by means of spring

force.

– If both solenoid coils on 5/3-way valves are energised simultaneously, the valve

remains in the previous switching position.

5/3-way valves

(82/84)

14 84 82 12

(12/14)

14 84 82 12

(12/14)

(82/84)

14 84 82 12

(12/14)

(82/84)

Tab. B.6 5/3-way valves

Ident. code: B

1214

Function: – 5/3-way valve

– Mid-position pressurized Ident. code: E

1214

Function: – 5/3-way valve

– Mid-position exhausted

Ident. code: G

1214

Function: – 5/3-way valve

– Mid position closed

Festo – MPAC-VI-EN – 2017-12a – English 69

C Glossary

The following product-specific terms and abbreviations are used in this description:

Term/abbreviation Significance

Components Collective term for end plate, manifold sub-base, auxiliary supply plate,

solenoid valve, cover and silencer Cover Plate for covering a valve position on a manifold sub-base Electronics module Module in the manifold sub-base with LED and solenoid coil manage

ment End plate – First left plate with multi-pin plug connection or I-Port interface/

IO-Link and pneumatic supply ports

– Outermost right plate with pneumatic supply ports Ident. code/ID code Identification code of a component in the Festo Configurator Manifold sub-base Plate with electrical and pneumatic linking, with working ports (2)

and (4), for mounting a valve MO Manual override Multi-pin plug connection Electrical connection for controlling the solenoid coils on the valve

terminal Pneumatics module Module consisting of manifold sub-base, electronics module,

solenoid valve or cover Solenoid valve/valve Monostable solenoid valve with one solenoid coil, bistable or

mid-position valves with two solenoid coils Supply plate Plate for supplying pressure zones or as supplemental provision of

the valve terminal with supply air/exhaust air Valve terminal Clean-Design valve terminal MPAC-VI with multi-pin plug connection

or I-Port interface/IO-Link VMPA14 Solenoid valves with a width of 14 mm

Tab. C.1 Product-specific terms and abbreviations

70 Festo – MPAC-VI-EN – 2017-12a – English

MPAC-VI

Index

Accessories 64...........................

Air humidity, permitted 60..................

Intended use 7...........................

IP degree of protection 60..................

CE marking 8.............................

Check valve 33............................

Clean, Silencer 46.........................

Cleaning the valve terminal 45...............

Common lines 33..........................

Components

– Materials 58............................

– Weights 58.............................

Components of the valve terminal

– Manifold sub-base 12....................

– Supply plate 16.........................

Compressed air, Requirements 23............

Conversion 49............................

Corrosion protection 60....................

Cover 10................................

Current consumption 64....................

Current reduction 64.......................

Disinfecting the valve terminal 45.............

Display and operating components 21.........

– Manual override (MO) 22..................

– Switching status indication

for valves 22............................

LED

– Position of the LEDs 22...................

– Switching status indication

for the solenoid coil 41...................

Left end plate, Multi-pin plug

connection 11..........................

Low-pressure operation 29, 43...............

Manifold sub-base 10......................

– Dismounting/mounting 50................

Manual override, Operating the non-

detenting manual override 40..............

Materials 58.............................

Medium, Requirements 23..................

Multi-pin plug connection 11................

Nominal flow rates 62, 63...................

Operating pressure 61.....................

– Main and auxiliary power supply 16.........

Operating statuses 43......................

Electronics module, Dismounting/

mounting 53............................

EMERGENCY OFF 43.......................

End plate, Dismounting/mounting 50.........

End plate, right, Pilot air supply 16............

Exhaust air 17............................

– Central 33.............................

Functional impairments 42..................

Further applicable documents 6..............

Festo – MPAC-VI-EN – 2017-12a – English 71

Pilot air supply 16.........................

– Branched internally/supplied

externally 26...........................

– Conversion to internal/external

pilot air 53.............................

Pilot air supply port, Diagram 61, 62..........

Pilot control – Conversion to internal/external

pilot air 53.............................

– Diagram 61, 62.........................

– Pressure range 61.......................

MPAC-VI

– Type of pilot control 26...................

Pneumatic supply 16.......................

Ports

– Code 31...............................

–Size 31................................

Pressure compensation 17..................

Pressure zones 18, 27, 43, 54................

Renew, Silencer 46........................

Replace, Silencer 46.......................

Right end plate, Pilot air supply 16............

Safety instructions, General 7...............

Separation of pressure zones 18.............

Silencer, cleaning or replacing 46.............

Solenoid coil, Current consumption 64........

Start-up pressurisation 38..................

Supply

– Main and auxiliary power supply 16.........

– with pilot air 16.........................

Supply plate 16...........................

– Dismounting/mounting 50................

Supply pressure, Internal/external

pilot air supply 26.......................

Switching times 63........................

Technical data 58.........................

Temperature range, Permitted 60.............

Tie rod 49...............................

Tightening torques 59......................

Torques 59...............................

Tubing connection 31......................

– Mounting/dismounting 32................

Vacuum operation 29, 43...................

Valves 13................................

– dismounting/mounting 46................

– Identification code (ident. code) 13.........

– Overview 65............................

Weights, Components 58...................

72 Festo – MPAC-VI-EN – 2017-12a – English

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Festo MPAC-VI User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

1 Safety and requirements for product use

1.1 Safety

1.1.1 General safety instructions

1.1.2 Intended use

1.2 Requirements for product use

1.2.1 Technical prerequisites

1.2.2 Qualification of specialized personnel

1.2.3 Range of application and certifications

2 Product overview

2.1 Purpose

2.1.1 Equipment levels

2.1.2 Size of the valves

2.2 Component overview

2.3 Electrical connection

2.3.1 Multi-pin plug connection

2.3.2 I-Port interface/IO-Link

2.4 Description of components

2.4.1 Manifold sub-bases and electronics modules

2.4.2 Valves

2.4.3 Check valves

2.4.4 Cover of the manifold sub-base

2.4.5 Pneumatic supply

2.4.6 Pilot air supply

2.4.7 Exhaust air

2.4.8 Pressure compensation

2.4.9 Pressure zone separation

2.4.10 Electrical connection

2.4.11 Display and operating components

2.4.12 Switching status indication of the valves

2.4.13 Manual override (MO)

3 Mounting and installation

3.1 Mounting/dismounting

3.2 Compressed air preparation

3.2.1 Operation with unlubricated compressed air

3.2.2 Operation with lubricated compressed air

3.3 General installation instructions

3.4 Connecting the valve terminal

3.4.1 Pilot control (pilot air supply)

3.4.2 Pressure zone separation

3.4.3 Vacuum/low-pressure operation

3.4.4 Connecting the pneumatic lines

3.5 Installation of the tubing lines

3.5.1 Connecting

3.5.2 Removing

3.5.3 Common pneumatic lines

3.6 Connecting the electric cables

3.7 Address assignment

3.7.1 Addressing example

4 Commissioning

4.1 Prior to commissioning

4.1.1 Pressure build-up in the overall supply

4.2 Testing the valves and the valve/actuator combination

5 Diagnostics and fault clearance

5.1 Switching status indication of the solenoid coils

5.2 Functional impairments

5.3 Operating statuses of the pneumatic system

6 Cleaning and maintenance

6.1 General safety measures

6.2 Cleaning the valve terminal

6.3 Maintaining the valve terminal

6.3.1 Cleaning or replacing the silencer

6.3.2 Replacing the valve or cover plate

7 Conversion

7.1 Tie rod system

7.2 Replacing or extending the manifold sub-base, supply plate or replacing the right end plate

7.3 Replacing electronics modules

7.4 Conversion between internal and external pilot air supply

7.5 Addition of pressure zones

7.6 Conversion of the outlet orientation for the electrical connection

A Technical appendix

A.1 Technical data

A.1.1 General

A.1.2 Operating and environmental conditions

A.1.3 Pneumatics

A.1.4 Electrical data

A.2 Accessories