order no.dbk+4/M18/3BEE/M18 E+S

2 x npn

working rangepapers with weights of 20 - 2,000 g/m2, Washi, metal-laminated sheets and films up to 0.4 mm thick, self-adhesive films, sheet metals up to 0.3 mm thick, fine corrugated card, wafers, PCBs

designcylindrical M18 with a swapped-out ultrasonic transducer

operating modedouble sheet control

particularitiesdistance between transmitter and receiver can be selected

swapped-out ultrasonic transducer

cable connection

ultrasonic-specific

means of measurementpulse operation with amplitude evaluation

transducer frequency400 kHz

blind zone7 mm in front of transmitter and receiver

electrical data

operating voltage UB20 - 30 V d.c., reverse polarity protection

voltage ripple± 10 %

no-load current consumption≤ 50 mA

type of connection2 m PUR cable, 7 x 0.25 mm2

transmitter cableam Empfänger: 1,2 m PUR-Kabel, am Sender: 1 m PUR-Kabel, mit M8 Rundsteckverbinder; zum ausgelagerten Empfangswandler: 1,2 m PVC-Kabel

outputs

output 1double sheet output

npn: Imax = 200 mA (-UB+2V)

NOC/NCC adjustable, short-circuit-proof

output 2missing sheet output

npn: Imax = 200 mA (-UB+2V)

NOC/NCC adjustable, short-circuit-proof

response time< 500 µs in trigger mode, 2.5 ms in free-run mode

delay prior to availability< 750 ms

inputs

description< -UB+6 V: logic 1; > -UB+10 V or control input open: logic 0

input 1control input

input 2control input

input 3control input

housing

transmitter/receiver spacing20 - 60 mm; optimal: 40 mm ± 3 mm

permissible angular deviation± 45° from the perpendicular to the sheet

materialbrass sleeve, nickel-plated, plastic parts, PBT, PA

ultrasonic transducerpolyurethane foam, epoxy resin with glass contents

max. tightening torque of nuts15 Nm

class of protection to EN 60529IP 65

operating temperature+5°C to +60°C

storage temperature-40°C to +85°C

weight165 g

further versionssingle transmitter/receiver

further versionsdbk+4/Sender/M18/K1

dbk+4/Empf/M18/3BEE/ M18

technical features/characteristics

controlscontrol input

scope for settingsworking range selection via control inputs

Teach-in via control inputs

LCA-2 with LinkControl

indicators1 x Duo-LED; green: working / red: double sheet / flashing red: missing sheet

particularitiesdistance between transmitter and receiver can be selected

swapped-out ultrasonic transducer

cable connection