NPN

UD18-T40N-U4A

UD18-T40N-U4B

PNP

UD18-T40P-U4A

UD18-T40P-U4B

spacing transmitter-receiver

20-40mm

20-40mm

optimum spacing transmitter-receiver

20mm±2mm

20mm±2mm

blind zone

in front of transmitter and receiver 5mm

in front of transmitter and receiver 5mm

permissible angular deviation

±45° from the perpendicular of the sheet

±45° from the perpendicular of the sheet

means of measurement

pulse operation with amplitude evaluation

pulse operation with amplitude evaluation

ultrasonic frequency

400 kHz

400 kHz

working range

Paper and paper with a unit area weight of 20-1200g/m ², metal sheets up to 0.4mm thick

Paper and paper with a unit area weight of 20-1200g/m ², metal sheets up to 0.4mm thick

operating voltage UB

20 to 30 V DC

20 to 30 V DC

voltage ripple

±10 %

±10 %

no-load current consumption

≤50 mA

≤50 mA

type of connection

2m PUR cable, 7 x 0,25 mm2

2m PUR cable, 7 x 0,25 mm2

transmitter-receiver connection

At receiver: PUR; 2.3 m;at transmitter: 1 m, PUR; both with 3-pin M8 plug

At receiver: PUR; 2.3 m;at transmitter: 1 m, PUR; both with 3-pin M8 plug

Output logical relationship

Paperless state: white line OFF, black line OFF, single sheet state: white line ON, black line OFF; Dual/Multiple Status: White Line OFF, Black Line ON

Paperless state: white line OFF, black line ON, single sheet state: white line ON, black line ON; Dual/Multiple Status: White Line ON, Black Line OFF

double sheet output

NPN/PNP Imax. = 200 mA, short circuit proof

NPN/PNP Imax. = 200 mA, short circuit proof

missing sheet output

NPN/PNP Imax. = 200 mA, short circuit proof

NPN/PNP Imax. = 200 mA, short circuit proof

controls

3 control inputs: C1 to C3

3 control inputs: C1 to C3

programmable

Teaching by controlling inputs

Teaching by controlling inputs

Response time Free-Run-Mode

5.5 ms

5.5 ms

time delay before availibility

<750 ms

<750 ms

indicator

green: working/single sheet，red: double sheet,             red flashing: missing sheet

green: working/single sheet，red: double sheet,             red flashing: missing sheet

material

brass sleeve, nickel-plated; plastic parts: PBT, PA;ultrasonic transducer:Polyurethane, epoxy resin with glass content

brass sleeve, nickel-plated; plastic parts: PBT, PA;ultrasonic transducer:Polyurethane, epoxy resin with glass content

max. tightening torque of nuts

15 Nm

15 Nm

class of protection to EN 60529

IP 65

IP 65

operating temperature +5 to +60 °C

+5 to +60 °C

+5 to +60 °C

storage temperature

–40 to +85 °C

–40 to +85 °C

weight

150 g

150 g

norm conformity

EN 60947-5-2

EN 60947-5-2

Output circuit