Germany: +49 621 776-4411
Subject to modifications without notice
Pepperl+Fuchs Group
fa-info@pepperl-fuchs.comwww.pepperl-fuchs.com
USA: +1 330 486 0001
fa-info@us.pepperl-fuchs.com
Singapore: +65 6779 9091
fa-info@sg.pepperl-fuchs.com
Copyright Pepperl+Fuchs
1
Diffuse mode sensor
ML71-8-200/25/102/115
Release date: 2011-08-25 10:12 Date of issue: 2011-08-25 127479_eng.xml
Dimensions
Electrical connection
Indicators/operating means
23
3
7
103
31
11
7.8
13.8
14.2
7.6
ø3.2
Option:
WH
BN
BU
BK
+UB
Q
0 V
n.c.
102
= Light on
= Dark on
1 Operating display green
2 Signal display yellow
3 TEACH-IN button
4 Emitter
5 Receiver
12
345
Model Number
ML71-8-200/25/102/115
Diffuse mode sensor
with 2 m fixed cable
Features
Miniature design with front optical
face
Automatic adjustment of sensitivity
via TEACH-IN
Clearly visible function indicators
Flashing power on LED in case of
short-circuit
Not sensitive to ambient light
Protected against mutual interference
(no crosstalk)
Product information
Small, robust, effective, and reliable - these
are the properties of the ML7 sensor series.
Due to their small size, number of versions,
and two different lens positions, they are par-
ticularly suited for installation in tight spaces.
The robust design and high quality of Pep-
perl+Fuchs mean they can also be used
under harsh environmental conditions. The
efficient technology, switching frequencies up
to 1000 Hz, high resistance to ambient light,
and 4-in-1 output make the series suitable
for non-contact object detection.
Germany: +49 621 776-4411
Subject to modifications without notice
Pepperl+Fuchs Group
fa-info@pepperl-fuchs.comwww.pepperl-fuchs.com
USA: +1 330 486 0001
fa-info@us.pepperl-fuchs.com
Singapore: +65 6779 9091
fa-info@sg.pepperl-fuchs.com
Copyright Pepperl+Fuchs
Diffuse mode sensor
ML71-8-200/25/102/115
2
Release date: 2011-08-25 10:12 Date of issue: 2011-08-25 127479_eng.xml
Technical data
General specifications
Detection range 20 ... 200 mm
Adjustment range 60 ... 200 mm
Reference target standard white, 100 mm x 100 mm
Light source LED
Light type modulated visible red light
Diameter of the light spot approx. 15 mm at a distance of 200 mm
Angle of divergence approx. 4.5 °
Ambient light limit 40000 Lux
Functional safety related parameters
MTTFd 1610 a
Mission Time (TM) 20 a
Diagnostic Coverage (DC) 0 %
Indicators/operating means
Operating display LED green, flashes in case of short-circuit
Function display LED yellow, lights up with receiver lit
Controls TEACH-IN key
Electrical specifications
Operating voltage UB10 ... 30 V DC , class 2
Ripple max. 10 %
No-load supply current I0< 20 mA
Output
Switching type light on
Signal output 1 NPN output, short-circuit protected, reverse polarity protec-
ted, open collector
Switching voltage max. 30 V DC
Switching current max. 100 mA
Voltage drop Ud 1. 5 V D C
Switching frequency f 1000 Hz
Response time 0.5 ms
Ambient conditions
Ambient temperature -20 ... 60 °C (-4 ... 140 °F)
Storage temperature -40 ... 75 °C (-40 ... 167 °F)
Mechanical specifications
Protection degree IP67 / IP69K
Connection 2 m fixed cable
Material
Housing PC (glass-fiber-reinforced Makrolon)
Optical face PMMA
Mass approx. 50 g
Compliance with standards and directi-
ves
Standard conformity
Product standard EN 60947-5-2:2007
IEC 60947-5-2:2007
Standards EN 50178, UL 508
Approvals and certificates
Protection class II, rated voltage 250 V AC with pollution degree 1-2 accor-
ding to IEC 60664-1
UL approval cULus
CCC approval Products with a maximum operating voltage of 36 V do not
bear a CCC marking because they do not require approval.
Suitable cable sockets can be found in the
Internet
Accessories
OMH-ML7-01
Mounting bracket
OMH-ML7-02
Mounting bracket
OMH-ML7-03
Fixing plate
Germany: +49 621 776-4411
Subject to modifications without notice
Pepperl+Fuchs Group
fa-info@pepperl-fuchs.comwww.pepperl-fuchs.com
USA: +1 330 486 0001
fa-info@us.pepperl-fuchs.com
Singapore: +65 6779 9091
fa-info@sg.pepperl-fuchs.com
Copyright Pepperl+Fuchs
Diffuse mode sensor
ML71-8-200/25/102/115
3
Release date: 2011-08-25 10:12 Date of issue: 2011-08-25 127479_eng.xml
Connect the sensor to operating voltage, the LED green lights up constantly. The sensor operates at max. sensitivity (delivery status) or with
the last teached values.
•Adjust the unit to the target.
Press the TEACH-IN button - as an acknowledge the green LED will switch off shortly for one time.
Press the TEACH-IN button until both LED's green and yellow are blinking in parallel (2Hz). Release the TEACH-IN button now.
While the green and yellow LEDs are blinking alternating (2Hz) the unit is in the internal set up procedure.
TEACH-IN successful: Both LEDs green and yellow are on. The unit is ready to use and in switching mode now.
TEACH-IN not successful: Both LEDs are flashing alternating (4Hz) for approx. 5 seconds. Afterwards the sensor returns to max. sensitiv-
ity setting. Please retry the TEACH-IN procedure beginning by step 1.
Curves/Diagrams
ML7-8
ML71-8
x
y
Distance X [mm]
Offset Y [mm]
Characteristic response curve
white 90 %
grey 18 %
10
5
0
-5
-10
0 50 100 150 200
x
ML7(1)-8
Distance X [mm]
Stability control
Relative received light strength
white 90 %
grey 18 %
black 6 %
0 50 100 150 200 250 300 350
100
10
1
0
TEACH-IN