Kobold PSD Manual de usuario

Operating Instructions

for

Display Pressure Switch

Model: PSD

PSD

page 2 PSD K02/0118

We don’t accept warranty and liability claims neither upon this publication nor in

case of improper treatment of the described products.

The document may contain technical inaccuracies and typographical errors. The

content will be revised on a regular basis. These changes will be implemented in

later versions. The described products can be improved and changed at any time

without prior notice.

1. Contents

1.Contents........................................................................................................2

2.Note ..............................................................................................................3

3.Instrument Inspection....................................................................................3

4.Regulation Use..............................................................................................3

5.Operating Principle........................................................................................4

6.Mechanical Connection.................................................................................4

7.Electrical Connection ....................................................................................5

7.1Output signal / supply voltage................................................................5

8.Operating menu ............................................................................................6

9.Type label description ...................................................................................8

10.Technical Information....................................................................................8

11.Terminology ................................................................................................11

12.Order Codes ...............................................................................................13

13.Dimensions .................................................................................................13

14.EU Declaration of Conformance..................................................................14

Manufactured and sold by:

Kobold Messring GmbH

Nordring 22-24

D-65719 Hofheim

Tel.: +49(0)6192-2990

Fax: +49(0)6192-23398

E-Mail: [email protected]

Internet: www.kobold.com

PSD

PSD K02/0118 page 3

2. Note

Please read these operating instructions before unpacking and putting the unit

into operation. Follow the instructions precisely as described herein.

The devices are only to be used, maintained and serviced by persons familiar

with these operating instructions and in accordance with local regulations

applying to Health & Safety and prevention of accidents.

When used in machines, the measuring unit should be used only when the

machines fulfil the EC-machine guidelines.

3. Instrument Inspection

Instruments are inspected before shipping and sent out in perfect condition.

Should damage to a device be visible, we recommend a thorough inspection of

the delivery packaging. In case of damage, please inform your parcel service /

forwarding agent immediately, since they are responsible for damages during

transit.

Scope of delivery:

The standard delivery includes:

Display Pressure Switch model: PSD

Operating Instructions

4. Regulation Use

Any use of the Display Pressure Switch, model: PSD, which exceeds the

manufacturer’s specification, may invalidate its warranty. Therefore, any resulting

damage is not the responsibility of the manufacturer. The user assumes all risk

for such usage.

PSD

page 4 PSD K02/0118

5. Operating Principle

KOBOLD is a leading international supplier of high quality sensors and monitoring

instruments among other things for measurement of pressure and temperature.

The PSD is the ideal combination of pressure switch and transmitter with a

pressure display. The parameters can be set on the device. The settings in

combination with a comprehensive set of options make the PSD suitable for a

wide range of demanding applications.

6. Mechanical Connection

PSD

PSD K02/0118 page 5

7. Electrical Connection

7.1 Output signal / supplyvoltage

Output ISUPPLY U

SUPPLY

4...20 mA ≤30 mA 15...30 VDC

0...10 VDC ≤30 mA 15...30 VDC

Switching output functions

PSD

page 6 PSD K02/0118

8. Operating menu

PSD

PSD K02/0118 page 7

Parameter Name Standard setting

(accessory ZS) Value range Short name

Switch point SP1 (hysteresis mode)

Upper switch point FH1 (window mode) 75% measuring range

SP1RP1

FH1FL1

hysteresis≥1% FS

SP1

Reset point RP1 (hysteresis mode)

Lower switch point FL1 (window mode) 25% measuring range

RP1<SP1

FL1<FH1

hysteresis ≥1% FS

RP1

Switch point SP2 (hysteresis mode)

Upper switch point FH2 (window mode) 75% measuring range

SP2RP2

FH2FL2

hysteresis≥1% FS

SP2

Reset point RP2 (hysteresis mode)

Lower switch point FL2 (window mode) 25% measuring range

RP2<SP2

FL2<FH2

hysteresis ≥1% FS

RP2

Switch point delay time SP1 (hysteresis

mode)

Switch point delay time FH1 (window

mode)

0 0...99.99 s dS1

Switch point delay time RP1 (hysteresis

mode)

Switch point delay time FL1 (window

mode)

0 0...99.99 s dR1

Switch point delay time SP2 (hysteresis

mode)

Switch point delay time FH2 (window

mode)

0 0...99.99 s dS2

Switch point delay time RP2 (hysteresis

mode)

Switch point delay time FL2 (window

mode)

0 0...99.99 s dR2

Functions switching output 1 Hysteresis, closer (Hno) Hysteresis NO (Hno), hysteresis NC (Hnc),

window NO (Fno), window NC (Fnc) ou1

Functions switching output 2 Hysteresis, closer (Hno) Hysteresis NO (Hno), hysteresis NC (Hnc),

window NO (Fno), window NC (Fnc) ou2

Pressure units bar bar, psi, MPa, kPa, mWC uni

Measuring range adjustment 100 % nominal pressure 50…100% nominal pressure P-EP

Damping (analogue output) 0.01 s 0.01…3.00 s (time constant) dAA

Display rotation no no, yes (180°) disr

Display mode Current pressure value

Pressure value:

current, highest, lowest, display off

Current value:

decimal places selectable (max. 3)

dis

Display update 2 1, 2, 5, 20 Hz duPd

PSD

page 8 PSD K02/0118

9. Type label description

10.Technical Information

Measuring principle: thin film on steel

Measuring range: -1...+1.5 to 0...600 bar

-14.5...+22 to 0...7500 psi

adjustable 50...100 % FS

Output signal: 4...20 mA

0...10 VDC, switchable mA or V

Switching output: 2 transistors PNP

Accuracy@ 25° C typ.: ±0.5 % FS typ.

Media temperature: -25° C...+85° C

Ambient temperature: -25° C...+85° C

Pressure unit for display: bar, psi, MPa, kPa, m WC, mm WC

Electrical data

Output/supply voltage: 4...20 mA: 24 or 0-10 VDC/

24 (15...30) VDC

Switch-on-delay: typ. 200 ms

Inverse-polarity protection,

Short-circuit strength

@ 25° C during 5 min.; integrated

Current consumption: ≤30 mA

PSD

PSD K02/0118 page 9

Environmental conditions

Media temperature: -25° C...+85° C

Ambient temperature: -25° C...+85° C

Protection1): IP65

Humidity: max. 95% relative

Vibration: 10 g (10...2000 Hz)

Shock: 50 g/ 3 ms

1) see electrical connection

Analogue output

Output signal: switchable 4-20 mA or 0-10 VDC

Accuracy: TEB2) @ -25 °C...+85° C

[% FS typ.] ± 1.75

accuracy @ +25° C

[% FS typ.] ±0.5

NLH2) @ +25° C (BSL)

[% FS typ.] ±0.2

TC2) zero point and span

[% FS typ.] ±0.03

long term stability 1 year

[% FS typ.] ±0.1

Current limiting output signal: 4-20 mA (overload)

0...10 VDC: <40 mA (short-circuit)

Damping (rise-time): 0.01...3.00 s/10...90% nominal pressure

Switching output

Accuracy: accuracy@ +25° C

[% FS typ.] ± 0.5

TEB2) @ -25 °C...+85° C

[% FS typ.] ± 1.0

accuracy @ +25° C

long term stability 1 year

[% FS typ.] ±0.3

Adjustment range of

switchpoints: 0...100% FS

Switching hysteresis: ≥1% FS switchpoint reset point

Switching resistance: ≤3 Ω

Output function: hysteresis, window; normally open (NO),

normally closed (NC)

Switching current: ≤0.5 A each switching output

Current limiting: ≤2 A each switching output

Switching frequency: max. 200 Hz

Delay time: 0...99.99 s

2) see »Terminology«

PSD

page 10 PSD K02/0118

Display

Display: 4-digit 7-segment display 180 °

flippable with disable function

standard decimal places:

≤9: 3 decimal places

10...99: 2 decimal places

100...999: 1 decimal place

Switching status indication: 2 LED, red

Operation: with 3 buttons and menu navigation

according to VDMA 24574-1

Display reduction: 0.1 % FS

Display range: -3...103% FS

Setting parameters: see table “Parameter”

Mechanical data

Sensor (wetted parts) 1.452 (AISI630)

Pressure connection

(wetted parts): 1.452 (AISI630)

Housing: steel, die cast metal galvanised,

display housing plastic

Connection: G¼ male,

adapter can be ordered as separate item

Sealing: FPM

Male electrical plug: PA-plug M12x1.5 pin

Mounting torque: 15...20 Nm

Housing alignment: display 335 ° rotatable, max. 2.5 Nm

electrical connection 343° rotatable, max. 5 Nm

Pressure peak

damping element: ø 0.4 mm

Weight: ~189 g

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