data sheet - family

Ultrasonic sensors
UNDK 20 (Sd = 1000 mm)
Ultrasonic proximity sensors
sample drawing
20
15
LED
M8 x 1
14
42
6,5
3,2
29,5
9,5
Teach- in
5,7
11,8
general data
sample picture
scanning range sd
100 ... 1000 mm
scanning range far limit Sde
100 ... 1000 mm
hysteresis typ.
4 % Sde
repeat accuracy
< 0,5 mm
temperature drift
< 0,18 % Sde/K
response time ton
< 50 ms
release time toff
< 50 ms
sonic frequency
240 kHz
adjustment
Teach-in
alignment aid
target indication flashing
output indicator
LED green
electrical data
voltage supply range +Vs
12 ... 30 VDC
current consumption max. (no load)
35 mA
output current
< 200 mA
voltage drop Vd
< 2 VDC
residual ripple
< 10 % Vs
short circuit protection
yes
reverse polarity protection
yes
mechanical data
type
rectangular
housing material
polyester
width / diameter
20 mm
height / length
42 mm
depth
15 mm
connection types
connector M8
ambient conditions
operating temperature
-10 ... +60 °C
protection class
IP 67
1
www.baumer.com
2/6/2015
Ultrasonic sensors
UNDK 20 (Sd = 1000 mm)
Ultrasonic proximity sensors
order reference
output circuit
UNDK 20N6903/S35A
NPN make function (NO)
UNDK 20N7903/S35A
NPN break function (NC)
UNDK 20P6903/S35A
PNP make function (NO)
UNDK 20P7803/S35A
PNP break function (NC)
2
www.baumer.com
2/6/2015