UDC-18GM50-255S-3E0 Double material sensor

Key Benefits at a Glance

Ultrasonic system for reliable detection of no, one, or two overlapping sheet materials
Short version
No teach-in required
Function indicators visible from all directions
Insensitive to printing, colors, and shining surfaces
Very wide material spectrum, finest papers up to thin sheet metals as well as plastic- and metal foils
Perpendicular or inclined sensor mounting relative to the sheet plane possible
Programmable

Product photo: Double material sensor UDC-18GM50-255S-3E0

Note

All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

Datasheet Classification Informative Literature Product Documentation Design / Simulation Approvals Software Related Products

Technical data of UDC-18GM50-255S-3E0

Sensing range		40 ... 100 mm optimal distance 75 mm
Transducer frequency		255 kHz

LED green		Indicator: single material detected
LED yellow		Indicator: no material detected (air)
LED red		Indicator: double material detected

Operating voltage	U_B	18 ... 30 V DC , ripple 10 %_SS
No-load supply current	I₀	< 65 mA
Time delay before availability	t_v	< 500 ms

Input type		Function input 0-level: -U_B ... -U_B + 1V 1-level: +U_B - 1 V ... +U_B
Pulse length		≥ 100 ms
Impedance		≥ 4 kΩ

Output type		3 switch outputs NPN, NO
Rated operating current	I_e	3 x 100 mA , short-circuit/overload protected
Voltage drop	U_d	≤ 3 V
Switch-on delay	t_on	approx. 35 ms
Switch-off delay	t_off	approx. 35 ms
Pulse extension		min. 120 ms programmable

Standard conformity

Standards

EN IEC 60947-5-2:2020
IEC 60947-5-2:2019

UL approval		cULus Listed, General Purpose, Class 2 Power Source
CCC approval		CCC approval / marking not required for products rated ≤36 V

Ambient temperature		0 ... 60 °C (32 ... 140 °F)
Storage temperature		-40 ... 85 °C (-40 ... 185 °F)

Connection type

cable PVC , 2 m

Core cross section

0.14 mm²

Degree of protection

IP67

Material

Housing		nickel plated brass; plastic components: PBT
Transducer		epoxy resin/hollow glass sphere mixture; polyurethane foam

Mass

150 g

Dimensions

Length		50 mm
Diameter		18 mm

Program

Supplementary information

Switch settings of the external programming adapter:
"output load": pull-up
"output logic": inv

General Notes

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