Leuze GSU 712/22 Data Sheet

18 - 30 V

DC

IP 40

IEC 68...

IEC 801...

GSU 712/22 Double Sheet Testing Unit

Dimensioned drawing

Part No. 501 09509

z Reliable detection of multi-layer paper and

plastic sheets and metal foils

2

z Measurement range from 40g/m

300g/m

2

cardboard

paper to

z Plug connection
z Operating state indicators via light-emitting

diodes

z NPN switching outputs

Accessories:

(available separately)

A Through hole
B Minimum intrusion depth of sheet edge
C Inlay nut M4 possible
D Red indicator diode
E Yellow indicator diode

Electrical connection

Änderungen vorbehalten • GSU_712_22gb.fm

Leuze electronic GmbH + Co. KG In der Braike 1 D-73277 Owen Tel. [phone]

• www.leuze.com

GSU 712/22 - 03

GSU 712/22

Specifications

Physical data

Mouth width 13mm
Mouth depth 166mm
Minimum intrusion depth 31mm
Converter frequency approx. 330kHz

Timing

Switching frequency 200Hz
Response time 5ms
Delay before start-up ≤ 300ms acc. to IEC 60947-5-2

Electrical data

Operating voltage UB 18 … 30VDC (incl. residual ripple)
Residual ripple ≤ 15% of U
Open-circuit current ≤ 40mA
Switching outputs 2 NPN transistor outputs
Function characteristics single sheet detected, or ≥ 1 sheet

Signal voltage high/low ≥ (U
Output current max. 100mA per output

double sheet detected, or ≥ 2 sheets

Indicators

Yellow LED single sheet detected
Red LED double sheet detected

Mechanical data

Housing plastic
Colour red
Weight approx. 100g
Connection type MIFI, 4-pin

Environmental data

Ambient temp. (operation/storage) 0°C … +50°C/-40 °C … +70 °C
Protective circuit
VDE safety class II, all-insulated
Protection class IP 40
Standards applied IEC 60947-5-2

1) 1=transient protection, 2=polarity reversal protection, 3=short circuit protection for all outputs

1)

1, 2, 3

-2V)/≤ 2V

B

B

Mode of operation

The "singlesheet" output
signals that an object is
within the detection range.
This output may be used to
check for presence. A
detected double sheet is
signalled at the "doubles­heet" output.

Order guide

Designation Part No.

GSU 712/22, 100-MIFI4 501 08699

GSU 712/22 - 03 0812

z Approved purpose:

The GSU 712 double
sheet testing unit is a
monitoring unit predomi­nately designed for single
sheet checking in paper
processing machines.

Attention!

The GSU 712 is not a
safety module according
to the EU machinery
directive.

Remarks