Date of issue: 10/4/01
Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany (06 21) 7 76-0 • USA (330) 4 25 35 55 • Singapore 7 79 90 91 • Internet http://www.pepperl-fuchs.com
1
Series
28
Reflection light scanner with background suppression
RL28-8-H-700-../105/...
RL28-8-H-700-../105/...
KSensor range 20 mm ... 700 mm, adju-
stable
KPNP and NPN transistor outputs
KClearly visible LEDs for Power ON,
switching state and stability control
KNot sensitive to ambient light, even
with energy saving lamps
KDesign RT: Good alignability by red
transmission LED
KDesign IR: Minimal black-white diffe-
rence through the infrared transmis-
sion LED
KDove-tail mounts and pass-through
mounting holes
KLarge temperature range from
-40 °C ... +60 °C
KWaterproof, protection class IP67
with 5-pin, M12 x 1 plastic connector
U
®
For suitable cable sockets, reflectors and mounting aids refer to chapter "accessories".
2
Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany (06 21) 7 76-0 • USA (330) 4 25 35 55 • Singapore 7 79 90 91 • Internet http://www.pepperl-fuchs.com
Date of issue: 10/4/01
Technical Data
Series
28
RL28-8-H-700-../105/...
Ordering code
RL28-8-H-700-RT/47/105
RL28-8-H-700-RT/49/105
RL28-8-H-700-RT/105/110
RL28-8-H-700-IR/47/105
RL28-8-H-700-IR/49/105
RL28-8-H-700-IR/105/110
Detection range 20 ... 700 mm
Detection range min. 20 ... 200 mm ◆◆◆◆◆◆
Sensor range max. 20 ... 700 mm
Black/white difference (6 %/90 %) < 10 % ◆◆◆
< 20 %
Light type Red, alternating light ◆◆◆
Infrared, alternating light
Light source LED ◆◆◆
IRED
Angle of divergence transmitter 1.2°
receiver 2° ◆◆◆
transmitter 2°
receiver 2°
Diameter of the light spot approx. 15 mm at a distance of 700 mm ◆◆◆
approx. 24 mm at a distance of 700 mm
Ambient light limit 50000 Lux ◆◆◆◆◆◆
Standard conformity EN 60947-5-2
Approvals CE ◆◆◆◆◆◆
USA UL
Kanada CSA ◆◆◆◆◆◆
Operating display LED green
Function display 2 LEDs yellow
on: object inside the scanning range
off: object outside the scanning range ◆◆◆◆◆◆
Controls rotary switch for light/dark
Controls sensitivity adjuster ◆◆◆◆◆◆
Operating voltage 10 ... 30 V DC
Ripple 10 % ◆◆◆◆◆◆
No-load supply current £ 40 mA
Signal output 2 pnp antivalent, short-circuit proof, protected against reverse
polarity ◆◆
1 npn, 1 pnp synchronised-switching, short-circuit proof, pro-
tected against reverse polarity
1 push-pull output, short-circuit proof, protected against
reverse polarity ◆◆
Switching type Light/dark ON, switchable
Switching voltage max. 30 V DC ◆◆◆◆◆◆
Switching current max. 200 mA
Switching frequency 250 Hz ◆◆◆◆◆◆
Response time 2 ms
Ambient temperature -40 ... +60 °C ◆◆◆◆◆◆
Storage temperature -40 ... +75 °C
Protection degree IP67 ◆◆◆◆◆◆
Connection type 5-pin, M12 connector
Housing Plastic ABS ◆◆◆◆◆◆
Light exit Plastic
Mass 70 g ◆◆◆◆◆◆
3Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany (06 21) 7 76-0 • USA (330) 4 25 35 55 • Singapore 7 79 90 91 • Internet http://www.pepperl-fuchs.com
Date of issue: 10/4/01
Series
28
Diagrams
x
RL28-8-H-700-IR
white 90 %
grey 18 %
black 6 %
Adjusted detecion distance X [mm]
Measured detection distance X [mm]
Difference in detection distance
0
100
200
300
400
500
600
700
800
0 200 400 600 800
x
RL28-8-H-700-RT
Adjusted detection distance X [mm]
Measured detection distance X [mm]
Difference in detection distance
white 90 %
grey 18 %
black 6 %
0
100
200
300
400
500
600
700
800
0 200 400 600 800
x
y
RL28-8-H-700-IR
Offset Y [mm]
Distance X [mm]
Characteristic response curve
white 90 %
grey 18 %
black 6 %
0 200 400 600 800
-10
-8
-6
-4
-2
0
2
4
6
8
10
x
y
RL28-8-H-700-RT
Offset Y [mm]
Distance X [mm]
Characteristic response curve
white 90 %
grey 18 %
black 6 %
0 200 400 600 800
-8
-6
-4
-2
0
2
4
6
8
RL28-8-H-700-../105/...
Dimensions and Electrical Connection
4
Subject to reasonable modifications due to technical advances. Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany (06 21) 7 76-0 • USA (330) 4 25 35 55 • Singapore 7 79 90 91 • Internet http://www.pepperl-fuchs.com
Date of issue: 10/4/01
Series
28
RL28-8-H-700-../105/...
Dimensions
2
14
3
5
Connector view
Dovetail mount
LED indicator: switching state
LED indicator: operation
LED indicator:
switching state
Emitter
Receiver
Print
Type code
Connection diagram
Sensitivity adjuster Light/dark switch
5.2 - 0.2
1617.8
11 6
62
225
9.8
25.8
54.3
18.8
SW 8
ø5.2 - 0.2
51.8
10
M12 x 1
88
10 4
Electrical Connection
Option:
3
2
1
4
5
+UB
0 V
Q
n.c.
Q
/47 /49
Q1
Q2
/110
= Light ON,
= Dark ON