Brochure
VTB 18
VTB18-4 N1212 N1240 P1212 P1240
Scanning distance typ. max.
25 ... 140 mm
1)
Operating distance
30 ... 130 mm
1)
Adjustment of operating distance Potentiometer
Light source, light type
LED, Red light, 660 nm
2)
Light spot diameter Approx. 12 mm at 130 mm distance
Angle of dispersion Ca. 5
∞
Supply voltage V
s
DC 10 ... 30 V
3)
Ripple
≤
10 %
4)
Power consumption
≤
30 mA
5)
Switching outputs
NPN: open collector: Q
PNP: open collector: Q
Switching mode Light-/dark-switching via L/D control cable
+V
s
= light-switching
0 V = dark-switching
6)
Output current I
a
max
≤
100 mA
Response time
≤
0.5 ms
7)
Switching frequency 1,000 Hz
8)
Connection type
Cable, Ø 5 mm, PVC, 2 m
9)
Connector, M12, 4-pin
VDE protection class
10)
Circuit protection
V
s
connections reverse-polarity protected
/ In-/outputs short-circuit protected /
Interference pulse suppression /
Output Q short-circuit protected
Enclosure rating
IP 67
Ambient temperature operation
-25
∞
C ... +70
∞
C
Ambient temperature storage
-55
∞
C ... +80
∞
C
Weight
Ca. 240 g
Ca. 200 g
Housing material
Brass nickel-plated, plastic, PMMA
1)
Object with 90% remission (based on
standard white to DIN 5033)
2)
Average service life 100,000 h at
T
a
= +25∞C
3)
±
10%
4)
May not exceed or fall short of
short of V
s
tolerances
5)
Without load
6)
Control wire open: NPN: light-switching,
PNP: dark-switching
7)
Signal transit time with resistive load
8)
With light/dark ratio 1:1
9)
Do not bend below 0 ∞C
10)
Reference voltage 50 V DC
Scanning distance
1A
1B
2A
2B
3A
3B
0 (mm) 80 140100 120604020
25 28
25 29
23 30
0 110
0 124
0 130
1
2
3
Scanning distance on black, 6 % remission
Scanning distance on grey, 18 % remission
Scanning distance on white, 90 % remission
A
Scanning distance adjuster on MIN
B
Scanning distance adjuster on MAX
Operating distance
15
10
5
0
% of scanning distance
1
3
2
(mm) 20 40 60 80 100 120 140
6%/90%
18%/90%
90%/90%
Ordering information
Type Order No.
VTB18-4N1212 6 030 190
VTB18-4N1240 6 030 191
VTB18-4P1212 6 030 188
VTB18-4P1240 6 030 189
Scanning distance / background suppression
933
05-08-2006 SENSICK CATALOGUE
Approx. 240 g
Approx. 200 g
Technical data VTB 18-4
KD01_V18_en.qxd 19.07.2006 15:11 Uhr Seite 933