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Translation of the original instructions

1 About 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

1.1 Applicable documents

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

2 Safety

2.1 General 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.

2.2 Intended use

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

and inert gases in the piping.

2.3 Area 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 code QUYX, QUYX7

File number E322346

Considered standards UL 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.

3 Service

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

èwww.festo.com.

4 Accessories

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

5 Product overview

1Display

2Pneumatic connection

3B pushbutton

4Electrical connection

5Edit button

6A pushbutton

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

ants can deviate from this.

6 Function

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.

6.1 Operating statuses

Operating status Function

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 mode Setting or modification of parameters

TEACH mode Acceptance of the current measured value to

determine switching points

Tab. 2

6.2 Switching functions

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

Function NO (normally open) NC (normally closed)

Switching function:

– 1 switching point (SP)

TEACH mode:

– 2 teach points (TP1, TP2)

– SP = ½ (TP1+TP2)

TP1 TP2

Out

TP1 TP2

Out

Tab. 3

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

Function NO (normally open) NC (normally closed)

Switching function:

– 2 switching points (SP.Lo,

SP.Hi)

TEACH mode1):

– 2 teach points (TP1, TP2)

– TP1 = SP.Lo, TP2 = SP.Hi

HY HY

TP1=SP.Lo TP2=SP.Hi

Out

HY HY

TP1=SP.Lo TP2=SP.Hi

Out

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

sequence

Tab. 4

6.2.3 Auto 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

pressure P

Ref

is automatically determined. The result is a switching operation at

the output. The signal change signals the start of pressure monitoring. If the pres-

sure remains in the monitoring range [d.SP] around PRef, the pressure is stable.

When the monitoring range is left (e.g. caused by a leakage in the system), the

output switches back.

1Reference value is determined

2Measured value deviates by

[d.SP] from the reference value

3Monitoring range

Fig. 2

The parameters [SP.Lo], [SP.Hi], [t.obS] and [d.SP] can be configured by the user.

The greater [t.obS] is set, the more constant the pressure signal must be to estab-

lish the reference value PRef.

Function NO (normally open) NC (normally closed)

Switching function:

– 2 switching points (SP.Lo,

SP.Hi) for setting the valid

work range

– 1 switching point (d.SP)

for determination of the

monitoring area

TEACH mode1):

– 2 teach points (TP1, TP2)

– TP1 = SP.Lo, TP2 = SP.Hi

SP.Lo PRef

SP.Hi

d.SP

Out

SP.Lo PRef

SP.Hi

d.SP

Out

1) SP.Lo = smaller pressure value, SP.Hi = larger pressure value, independent of the Teach sequence

Tab. 5

7 Installation

7.1 Mechanical and pneumatic

NOTICE!

An unfavourable mounting position can impair the function of the product.

• Mount the sensor so that no condensation from the compressed air lines can

gather in the device.

• Install the sensor so that it cannot be heated above the maximum permissible

operating temperature (plan for convection possibilities).

Installation

SPAU-...-T

– Seal connecting thread.

Tightening torque: max. 10Nm

(tightening torque M5 female thread: max. 2 Nm)

Tightening torque: max. 7Nm

SPAU-...-H SPAU-...-A

Screws: M3

Tightening torque: max. 0.5Nm

Mounting bracket hole pattern Fig.3è

Installation

SPAU-...-W

Wall mounting hole pattern Fig.3è

SPAU-...-F

34 ±

0,3

61 ±0,3

Front panel cut-out in mm – Guide sensor from the front into the cut-out

on the front panel.

– Attach the clamping plate and press until

the fastening slide clips in.

Screws: M3

Tightening torque: max. 0.7Nm

s < 2 mm: remove 1 washer<

s < 1 mm: remove 2 washers<

SPAU-...-MS...

1. 2.

Tightening torque: max. 1Nm

Tab. 6

7.1.1 Hole patterns

Fig. 3 Left wall mounting, right mounting bracket

7.2 Electric

WARNING!

Risk of injury due to electric shock.

• For the electric power supply, use only PELV circuits that ensure a reliable

electric disconnection from the mains network.

• Observe IEC60204-1/EN60204-1.

Long signal lines reduce the immunity to interference.

• Adhere to the maximum permissible cable length of 30 m (20 m for IO-Link).

Maximum tightening torque of plug connector: M8 = 0.3Nm, M12 = 0.5Nm

Connection -M8 Connection -M12 Pin Function Core colour

1 Operating voltage

+24 V DC

Brown (BN)

2 Switching output OutB

or analogue output

OutD

White (WH)

3 0 V DC Blue (BU)

4 Switching output OutA

IO-Link (C/Q line)

Black (BK)

Tab. 7

Circuit diagrams

SPAU-...-L-... with display SPAU-...-LK-V-.../SPAU-…-

LK-B-… without display,

analogue voltage output

on pin 2

SPAU-…-LK-A-… without

display, analogue current

output on pin 2

Usable output according to factory setting

Tab. 8

8 Commissioning

8.1 LCD display

1Output display

2Main display (e.g. measurement

value)

3Bar graph for analogue output

(only visible for scaled analogue

output)

4Lower display (e.g. unit)

5Status information

6Input display

7Bar graph for input signal

Fig. 4

Example for LCD display Meaning

Output display

 [OutA] Switching output OutA selected

[OutA]

Switching output OutA set

[OutB] Switching output OutB selected

[OutB]

Switching output OutB set

[OutD] Analogue output OutD selected

Information / input display

[InA]

Input signal InA: graphic display of the current measured value

related to the maximum measured value of the measuring range

Analogue output OutD with activated scaling

Example for LCD display Meaning

[Lock] Security code activated

[Spec] Special menu activated

Tab. 9

Example for LCD display

Main display Lower display Meaning

Measured value indicator and unit in the RUN mode

[– 0.53] [bar] Measured value indicator (here: negative value) and unit

Menu for the switching outputs (OutA and OutB)

[Edit] [bin] Edit menu for the switching outputs (binary)

_|¯ [Fctn] Threshold value comparator

d_|¯|_ [Fctn] Auto difference monitoring

_|¯|_ [Fctn] Window comparator

[1.80] [SP] Switching point value

[2.45] [SP.Lo] Value of lower switching point

[6.45] [SP.Hi] Value of upper switching point

[0.50] [HY] Hysteresis value

[18] [t.obS] / [MSEC] Time interval for determination of a mean value, which is

used to determine the pressure change and establish the

reference value.

[0.25] [d.SP] Threshold value of the differential pressure with auto dif-

ference monitoring

[NO] [logic] Switching characteristics: [NO] = normally open contact,

[NC] = normally closed contact

[bLUE] [COLR] Display colour:

[bLUE] = blue, colour change function is deactivated

[R.ON] = red when switching output set

[R.OFF] = red when the switching output is not set

Note: Independent of the settings [COLR], the red colour

change appears with some malfunctions.

Extreme values (only SHOW mode)

[1.64] [MIN] Minimum measured pressure since switch-on or the last

reset

[8.50] [MAX] Maximum measured pressure since switch-on or the last

reset

Menu for the analogue output (OutD)

[Edit] [ANLG] Edit menu for the analogue output

[1 _ 5] [Out] / [V] Output function of the analogue output

[93] [In.Hi] / [%] Scaling of the analogue output in percent of the final value

of the pressure measuring range

[3] [In.Lo] / [%] Scaling of the analogue output in percent of the initial

value of the pressure measuring range

Menu for device settings (Spec)

[Edit] [MENU] Edit menu for additional settings

[16] [Filt] / [MSEC] Value of the filter time constant for the pressure measure-

ment signal

[bar] [Unit] Unit for the pressure indicator

[OFF] [Z.AdJ] [OFF] = zero point synchronisation (zero adjust) deactiv-

ated

[ON] = offset correction for measured value indicator,

switching points and analogue output possible

[Unit] [Sub.d] Settings of the lower display in RUN mode: selected unit or

switching point of OutA or bar graph

[40] [Eco] / [SEC] Economy mode: period after which the display background

lighting is switched off

[PNP] [bin] / [Out] Shift of the switching outputs (binary) between PNP and

NPN

[bin] [Pin2] / [Out] Shift between switching output (binary) and analogue out-

put (lnA) at Pin 2

[OFF] [Code] Activation and determination of the security code (lock)

[OFF] [MASt] Activation of the IO-Link® master function for replication of

parameters

Tab. 10

For device variants without LCD display:

• LED illuminated green: normal operation

• LED illuminated or flashes red: malfunction

8.2 Switch on sensor (RUN mode)

• Switch on the operating voltage.

ÄCurrent measured value is displayed. The sensor is in the basic status

(RUN mode).

The basic status can be reached from other modes by:

– Pressing Edit button for 3 seconds

– Expiration of a monitoring time (timeout)

8.3 Displaying parameters (SHOW mode)

Requirement: The sensor is ready for operation (RUN mode).

Produkspesifikasjoner

Merke:	Festo
Kategori:	Ikke kategorisert
Modell:	SPAU

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