Festo VPE-1/8, VPE-1/8-2N, PE-1/8-1N, VPE-1/8-2N-SW, VPE-1/8-SW Operating Instructions Manual

Pressure/vacuum switch
(V)PE-1/8-...(-SW)
PE-PK-...(-SW)

(en) Operating
instructions

8068554
2017-05c
[8068556]

(V)PE-...-...(SW )

Original instructions

Symbols:

Fitting and commissioning to be carried out
by qualified personnel only in accordance
with the operating instructions.

Warning, Caution

Please note

Antipollution

Accessories

English 3 ....................................................................

2

Festo (V)PE-...-...(SW) 2017-05c

(V)PE-...-...(SW )

Pressure/vacuum switch
Type (V)PE-1/8-...(-SW), PE-PK-...(-SW)English

1 Operating parts and connections

5

4

3

2

6

1 Compressed air or vacuum connection

– connecting thread G 1/8 with

(V)PE-1/8-...

– tubing connection with PE-PK-...

2 Screw terminals for electrical connection

3 Sub-base for mounting frame

Fig. 1

Festo (V)PE-...-...(SW) 2017-05c English

1

4 Through holes for fastening

5 Through holes for cover cap (type see

section 9 “Accessories”)

6 Cable for electrical connection

3

(V)PE-...-...(SW )

Documentation on the product

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

2 Product overview

Vacuum types

Vacuum
connection

Standard length for fitting
onto mounting fram

Electrical
connection

VPE-1/8 G1/8 1N Screw terminals

VPE-1/8-SW G1/8 1N Cables

VPE-1/8-2N G1/8 2N Screw terminals

VPE-1/8-2N-SW G1/8 2N Cables

Fig. 2

Overpressure types

Compressed
air connection

PE-1/8-1N G1/8 1N Screw terminals

PE-1/8-2N G1/8 2N Screw terminals

PE-1/8-1N-SW G1/8 1N Cables

Standard length for fitting
onto mounting frame

Electrical
connection

PE-1/8-2N-SW G1/8 2N Cables

PE-PK-3x2-2N PK-3 2N Screw terminals

PE-PK-4-SW PK-4 1N Cables

PE-PK-4 PK-4 1N Screw terminals

Fig. 3

4

Festo (V)PE-...-...(SW) 2017-05c English

(V)PE-...-...(SW )

3 Function and application

The (V)PE-... contains a chamber with a dia
phragm.
This diaphragm is subjected to pressure
forces (with PE-...)/tensile forces (with
VPE-...) on one side, and to the clamping force
of the springs on the other side. If the pres
sure or vacuum forces are increased in excess
of the clamping force, a piston connected to
the diaphragm will move and actuate a
changeover switch.

The (V)PE-... can be used as a normally-closed, normally-open or changeover
switch. It has been designed for converting pneumatic pressure values into electri
cal signals which are used for control or monitor functions.

Fig. 4

4 Conditions of use

Please note

Incorrect handling can lead to malfunctioning.
S Observe the following instructions for the correct and safe use of the prod

uct.

S Compare the specified limits, e.g. pres

sures, forces and temperatures with your
individual application.

S Make sure that there is a supply of cor

rectly prepared compressed air.

S Take into account the prevailing ambient

conditions.

S Observe the technical regulations as well

as relevant national and local laws.

LF-...

40μm

Fig. 5

C

%

LR-...

mbar

Festo (V)PE-...-...(SW) 2017-05c English

Fig. 6

5

(V)PE-...-...(SW )

S Remove all packing material such as protective wax, foils, caps and cartons.

The individual materials can be disposed of in separate containers for recycling
purposes.

S Use the product in its original state without undertaking any modifications.

5 Fitting

Mechanical components

S Select the suitable fastening method:

a) by means of through holes 4 in the

housing or

b) by fitting into the following mounting

frames:

– NRRQ-1N for (V)PE-...-1N, PE-PK-4
– NRRQ-2N for (V)PE-...-2N.

S Fasten the (V)PE-... in the intended posi

tion.

Pneumatic components

S Connect the (V)PE-... to the compressed

air tubing using the following compo
nents:

(V)PE-

1/8 PK-3-... PK-4-...

Screw connector
size G1/8

tubing
size 3

tubing
size 4

a)

4

b)

Fig. 7

1 Nm

Fig. 8

Maximum tighten
ing torque: 1 Nm

Fig. 9

6

— —

Festo (V)PE-...-...(SW) 2017-05c English

(V)PE-...-...(SW )

Electrical components

Using the (V)PE-... with screw terminals 2 and an operating voltage of ≥ AC/DC
50V:

Warning

You will receive an electric shock if you touch unprotected conductive compo
nents.

S Make sure that the electrical connections are protected in accordance with IP

S Wire the (V)PE-... as follows:

20 (as per EN 60529). A protective cap as per Accessories (see section 9) is
required here.

Connection

PE-... VPE-...

Input
(common)

Normally­closed
contact

Normally­open
contact

Fig. 11

Input
(common)

Normally­open
contact

Normally­closed
contact

Screw ter
minal (see
Fig. 10)

1 black

2 grey

4 blue

Cable
co
lours

(BK)

(GY)

(BU)

Fig. 10

Basic position PE-... Basic position VPE-...

Fig. 12

The wire surface area of the connecting cable must be between 0.34 mm2 and

2

1 mm

Festo (V)PE-...-...(SW) 2017-05c English

.

7

(V)PE-...-...(SW )

Fastening the protective cap (type see section

9 “Accessories”)

S Proceed as follows:

(A)

1. Insert the fastening pins into the

through holes 5.

2. Carefully press the protective cap
together until the hooks (A) and (B)
snap into place (do not break the
hooks off).

6 Commissioning

S Switch on the operating voltage.

S Pressurize the compressed air connection with the pressure required as the

switching pressure, or evacuate the vacuum required as the switching vacuum.

S Check the function by modifying the pressure or vacuum applied.

7 Care and maintenance

(B)

5

Fig. 13

Cleaning

S Switch off the operating voltage.

S If necessary, clean the (V)PE-....

Permitted cleaning agents are:
– soap suds (max. +60 °C)

– all non-abrasive agents.

8

Festo (V)PE-...-...(SW) 2017-05c English

(V)PE-...-...(SW )

8 Dismantling and repairs

Dismantling

S Switch off the following sources of power:

– the operating voltage
– the compressed air
– the vacuum.

Dismantling the protective cap (Type

section 9 “Accessories”)

S Proceed as follows:

1. Carefully press hook (A) outwards (do
not break off).

2. Press hook (B).

3. Pull the protective cap apart.

S Disconnect the relevant connections from

the (V)PE-... .

9 Accessories

Designation Type

Protective cap (not necessary for (V)PE-...-SW) SPE-B

see

(B)

(A)

Fig. 14

Fastening bracket NRW-...

Barbed fitting N-...; CK-...; QSM-...

Mounting frame NRRQ-...

Fig. 15

Festo (V)PE-...-...(SW) 2017-05c English

9

(V)PE-...-...(SW )

10 Eliminating faults

Fault Possible cause Remedy

(V)PE-... does not function Pressure failure Switch on compressed air

Connections not correct Connect (V)PE-... correctly

Short circuit at the switching out
puts

Damage due to excess pressure/
vacuum

Incorrect operating voltage Apply correct operating voltage

(V)PE-... operated with non-per
mitted medium

Outputs no longer switch
back

Fig. 16

(V)PE-... defective Return (V)PE-... to Festo

11 Technical specifications

General specifications

Type

Eliminate short circuit

Replace (V)PE-...

Replace (V)PE and operate only
with compressed air/vacuum

(V)PE-...

Design Diaphragm actuator

Mounting position As desired

Operating medium – with PE: filtered, non-lubricated or lubricated

Medium temperature
Ambient temperature

Operating voltage range AC/DC 12 ... 250

Minimum load current [mA] 100

10

[°C]
[°C]

compressed air, filter fineness 40 μm

– with VPE: vacuum

0 ... 60
0 ... 60

Festo (V)PE-...-...(SW) 2017-05c English

(V)PE-...-...(SW )

Type (V)PE-...

Maximum switching frequency [Hz] 1

CE marking symbol (see conformity declaration) as per EU low voltage directive

Fig. 17

Product-specific specifications (V)PE-... without (V)PE-....-SW

Typ

Part no. 7470 13691 6217 7860 12592 12594

Operating pressure [bar] 0 ... 0,25 0 ... 8 0 ... -0,95

Switch-on point [bar] ≤ 0,08 ≤ 2 -0,25  0,05

Switch-off point [bar] ≥ 0,01 ≥ 0,5 ≤ -0,1

Overload pressure
(brief, static)

Rated operating
voltage (Vb)

Rated operating cur
rent (with Vb) [A]

Use category – ohmic load

[bar] max. 8 max. 12 – max. 1

[V] AC/DC 250

[A]

PE-PK-4 PE-PK-

3x2-2N

– ohmic load
– inductive load

– small electromagnetic load

PE­1/8-1N

at AC 250 V
6
2

PE­1/8-2N

AC 12/DC 12
AC 14/DC 13

VPE­1/8

at DC 250 V
0,25
0,1

VPE­1/8-2N

Switching output
(DC voltage) [A]

[A]
[A]

Protection class (as per EN 60 529) IP00, IP20 with protective cap type SPE-B

Materials
– Housing
– Connections
– Diaphragm
– Switching contact

Fig. 18

Festo (V)PE-...-...(SW) 2017-05c English

Voltage [V DC]:
– resistor load
– inductive load
– bulb load

PET/POM/St
CuZn
CR
Ag

12
6
6
3

PA/GD-AL/St/PET
CuZn
TPE-U(PU)
Ag

24
6
6
2

60
1
0,5
0,6

110
0,5
0,2
0,5

PET/POM/St
CuZn
CR
Ag

220
0,25
0,1
0,25

11

(V)PE-...-...(SW )

Product-specific specifications (V)PE-...-SW (cable types)

Typ

Part no. 7471 6484 7862 12593 12595

Operating pressure [bar] 0 ... 0,25 0 ... 8 0 ... -0,95

Switch-on point [bar] ≤ 0,25 ≤ 2 -0,25  0,05

Switch-off point [bar] ≥ 0,07 ≥ 0,5 ≤ -0,1

Overload pressure
(brief, static)

Rated operating
voltage (Vb)

Rated operating cur
rent (with Vb) [A]

Use category – ohmic load

[bar] max. 8 – max. 1

[V] AC/DC 250

[A]

PE-PK-4-SW PE-1/8-

1N-SW

bei AC 250 V
– ohmic load
– induktive Last

– small electromagnetic load

5

2

PE-1/8­2N-SW

VPE­1/8-SW

bei DC 250 V
0,25
0,03

AC 12/DC 12
AC 14/DC 13

VPE-1/8­2N-SW

Switching output
(DC voltage) [A]

[A]
[A]

Protection class (as per EN 60 529) IP67

Materials
– Housing
– Connections
– Diaphragm
– Switching contact

Fig. 19

Voltage [V DC]:
– resistor load
– Induktive Last
– bulb load

POM/PA/St/VMQ
CR
PVC
Ag

15

10

10

3

PA/GD-AL/St/VMQ

TPE-U-(PU)

PVC

Ag

30
5
3
3

50
1
1
0,7

75
0,75
0,25
0,5

125
0,5
0,03
0,4

POM/PA/VMQ/St
CR
PVC
Ag

250
0,25
0,02
0,20

12

Festo (V)PE-...-...(SW) 2017-05c English

(V)PE-...-...(SW )

Festo (V)PE-...-...(SW) 2017-05c

13

Copyright:
Festo AG & Co. KG
Ruiter Straße 82
73734 Esslingen
Germany

Phone:
[phone]

Fax:
[phone]

Reproduction, distribution or sale of this document or communica
tion of its contents to others without express authorization is
prohibited. Offenders will be liable for damages. All rights re
served in the event that a patent, utility model or design patent is
registered.

E-mail:
[e-mail]

Internet:
www.festo.com