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Consider the General Notes on the Information in the Pepperl+Fuchs Product Catalogs
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Copyright Pepperl+Fuchs
Date of issue 2012-07-30
671
For detailed data and product description refer to the data sheets at
Ultrasonic Sensors,
Double Sheet Sensors
3
.4
Technical Data
Electrical Connection
D
D
Lt
L1
LEDs
L 2
General Data
Sensing range
20 ... 60
mm , optimal distance: 45 mm
Transducer frequency
255
kHz
Operating voltage
18 ... 30
V DC , ripple 10 %
SS
No-load supply current
< 50 mA
Rated operational current
3
x 100 mA , short-circuit/overload protected
Switch-on delay
approx. 15 ms (shorter response time on request)
Switch-off delay
approx. 15 ms (shorter response time on request)
Pulse extension
min. 120 ms programmable
Input type
Function input
LED green
indication: single sheet detected
LED yellow
Indication: No sheet detected (Air)
LED red
indication: double sheet detected
Ambient temperature
0 ... 60
°C (32 ... 140 °F)
Material
Housing
nickel plated brass; plastic components: PBT
Transducer
epoxy resin/hollow glass sphere mixture; polyurethane foam
Protection degree
IP67
Connection type
cable PVC , 2 m
Model Number
UDC-18GM50-255-3E1
UDC-18GM50-255-3E0
UDC-18GM50-255-3E3
Output type
3
switch outputs NPN, NC
●
3
switch outputs NPN, NO
●
3
switch outputs PNP, NC
●
Approvals and Certificates
UL approval
cULus Listed, General Purpose, Class 2
Power Source
●
●
●
CSA approval
cCSAus Listed, General Purpose, Class
2
Power Source
●
●
●
Dimensions
Receiver length L1 [mm]
53
Emitter length L2 [mm]
22
Diameter D [mm]
18
Receiver thread length l
t
[
mm]
30
UDB-Cable-2M
Extension cable
MH-UDB01
Mounting bracket for double sheet monitor
UDB-Cable-1M
Extension cable
This and more accessories can be found in chapter 3.5 from page 676
See pages from 974 ... for cordsets
See pages 1074 ... for mounting aids
Accessories
Double sheet sensor
cylindrical, Ø 18 mm
Short Ø18 mm housing
Wide range double sheet detection
Very fast response
DC, 3 switching outputs
Cable version
Short-barrel design
255-
series is designed for detec-
tion of the materials too thick for
400-
series monitoring
One sensor identifies zero-, single-
and double-sheets
Properties
Your Benefit
(
BN)
(
PK)
(
WH)
(
BK)
(
GY)
+U
B
-
U
B
(
BU)
U
Standard symbol/Connection:
Double sheet control
Output double sheet
Output air
Output single sheet
Function input
UDC-18GM50-255-3E3
(
BN)
(
PK)
(
WH)
(
BK)
(
GY)
+U
B
-
U
B
(
BU)
U
Standard symbol/Connection:
Double sheet control
Outputdouble sheet
Outputair
Output single sheet
Function input
UDC-18GM50-255-3E1
UDC-18GM50-255-3E0
