Festo SPAU Handleiding

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Translation of the original instructions

1About this document

The operating instructions describe the entire function range. The function range

is limited, depending on the product variant. You can find detailed specifications

for the product, the device description file (IODD) with a description of the IO-

Link®. parameters and the declaration of conformity www.festo.com.è

1.1Applicable documents

All available documents for the product www.festo.com/pk.è

2Safety

2.1General safety instructions

–The product may only be used in its original status without unauthorised

modifications.

–Only use the product if it is in perfect technical condition.

–Take into consideration the ambient conditions at the location of use.

–Operate the product only with compressed air of the specified air quality class

è13 Technical data

–Observe the specifications on the product labelling.

–Work on the product should only be conducted by qualified personnel.

2.2Intended use

The pressure sensor SPAU is intended for monitoring pressure of compressed air

and inert gases in the piping.

2.3Area of application and approval

In combination with the UL inspection mark on the product, the information in this

section must also be observed in order to comply with the certification conditions

of Underwriters Laboratories Inc. (UL) for USA and Canada.

UL approval information

Product category codeQUYX, QUYX7

File numberE322346

Considered standardsUL 61010-1

CAN/CSA C22.2 No. 61010-1

UL mark

Tab. 1

Only for connection to a NEC/CEC Class 2 supply.

Raccorder Uniquement a un circuit de NEC/CEC Classe 2.

WARNING!

The unit shall be supplied by a power source which fulfils the requirements on a

limited-energy circuit in accordance to IEC/EN/UL/CSA 61010-1 or on a Limited

Power Source (LPS) in accordance to IEC/EN/UL/CSA 60950-1 or IEC/EN/UL/CSA

62368-1 or a Class 2 circuit in accordance to NEC or CEC.

3Service

–Contact the regional Festo contact if you have technical problems.

èwww.festo.com.

4Accessories

–Accessories www.festo.com/catalogue.è

5Product overview

1

Display

2

Pneumatic connection

3

B pushbutton

4

Electrical connection

5

Edit button

6

A pushbutton

Fig. 1 Display variant without front panel mounting. Representation of other vari-

ants can deviate from this.

6Function

The sensor converts pneumatic pressure values (relative pressure) into electrical

signals, which can be used for control or regulating functions. Measurements are

carried out using a piezoresistive sensor element with a following electronic eval-

uation unit. Connection to the higher-level system is provided by 1 or 2 switching

outputs, an analogue output and/or an IO-Link interface. The switching outputs

can be configured for monitoring of a threshold value, a pressure range or a differ-

ential pressure. For each output, PNP or NPN and normally open (NO) or normally

closed (NC) can optionally be set. Through the IO-Link® interface, process values

can be read out and parameters changed and transmitted to additional devices.

6.1Operating statuses

Operating statusFunction

RUN mode–Basic status after the operating voltage is

switched on

–Display of the current measured value

SHOW mode–Display of the current settings

–Display and resetting of the minimum and

maximum values

EDIT modeSetting or modification of parameters

TEACH modeAcceptance of the current measured value to

determine switching points

Tab. 2

6.2Switching functions

6.2.1Threshold value comparator for monitoring of a pressure threshold _|¯

FunctionNO (normally open)NC (normally closed)

Switching function:

–1 switching point (SP)

TEACH mode:

–2 teach points (TP1, TP2)

–SP = ½ (TP1+TP2)

TP1 TP2

HY

1

0

Out

p

SP

TP1 TP2

SP

HY

1

0

Out

p

Tab. 3

6.2.2Window comparator for monitoring of a pressure range _|¯|_

FunctionNO (normally open)NC (normally closed)

Switching function:

–2 switching points (SP.Lo,

SP.Hi)

TEACH mode

1)

:

–2 teach points (TP1, TP2)

–TP1 = SP.Lo, TP2 = SP.Hi

HY HY

TP1=SP.Lo TP2=SP.Hi

1

0

Out

p

HY HY

TP1=SP.Lo TP2=SP.Hi

1

0

Out

p

1) SP.Lo = smaller pressure/vacuum value, SP.Hi = larger pressure/vacuum value, dependent on the Teach

sequence

Tab. 4

6.2.3Auto difference monitoring d_|¯|_

This function permits monitoring of a pressure value for constancy. The applied

pressure is constant in the range between [SP.Lo] and [SP.Hi], so the reference

8111089

SPAU

Pressure sensor

8111089

2019-04b

[8111091]

Instructions|Operating

Festo & Co. KGSE

Ruiter Straße 82

73734 Esslingen

Germany

+49 711 347-0

www.festo.com

Product specificaties