Manual
M7LL
/
M70LL
Laser
‐
Sensors
HB
‐
M7LL
‐
M70LL
‐
E.doc
page
11
of
23
V20130301
MEL
Mikroelektronik
GmbH,
Breslauer
Str.
2,
85386
Eching
/
Germany
www.MELSensor.com
Technical Data M7LL
Model
M7LL
0.5
M7LL
2
M7LL
4
M7LL
10
M7LL
20
M7LL
50
M7LL
100
M7LL
200
range
(mm)
0.5
2
4
10
20
50
100
200
Begin
of
range
(standoff
distance)
(mm)
23.75
23
22
40
55
115
170
240
Linearity
error
±
(
μ
m)
1
4
8
20
40
100
200
400
resolution
(noise)
*
(
μ
m)
0.3
1.3
2.6
6.5
13
32.5
65
200
resolution
(noise)
**
(
μ
m)
0.02
0.1
0.2
0.5
1
2.5
6
20
Spot
size
(mm)
0.1
0.2
0.3
0.6
0.9
1.5
1.5
2
Light
source
Laser,
Wavelength
670nm,
red
visible
Sampling
frequency
54
kHz
Laser
protection
class
2
(laser
power
<
1
mW),
enhanced
laser
power
optionally
Distance
output
±10V
(optional
0
...
10V
/
0
...
5V)
;
4
...
20mA
output
impedance
approx.
0
Ohm
(10
mA
max.)
Angle
error
with
30°
object
inclination
(Axis
A):
approx.
0,5%
with
white
object
Reaction
time
0.03
msec
Cut
off
frequency
DC
...
10
kHz
Temperature
drift
0,02%
per
°C
from
range
Analogausgang
Intensity
output
0
…
10V
MIN
+24V
when
distance
<
MIN,
LED
yellow
OK
+24V
when
distance
>
MIN
and
<
MAX,
LED
green
MAX
+24V
when
distance
>
MAX,
LED
orange
Schaltausgänge
mit
Anzeige
Error
+24V
/
100mA,
LED
red
Digital
output
Ethernet
TCP
/IP
factory
default
IP
Address
192.168.122.245
Hysteresis
for
min
/
max
outputs
approx.
0,5%
of
range
Ambient
light
20.000
LUX
Life
time
50.000h
for
Laser
‐
Diode
Isolation
voltage
200
V
DC,
0V
to
case
Max.
Vibration
10g
bis
1kHz
(Sensor
head,
20g
optional)
Operating
temperature
0°
bis
+50°C
Storage
temperature
‐
20°
bis
+70°C
Humidity
Bis
90%
RH
Protection
Sensor:
IP
64,
Elektronik:
IP
40
Supply
+24V
DC
/
200mA
(10
–
30V)
Connector
at
the
electronic
unit
25
‐
pin
Sub.D
male
connector
Sensor
cable
lenght
2m
All
specifications
are
valid
for
measurements
on
matt
white
object
*
Measurement
at
bandwith
10
kHz
**
Measurement
at
bandwith
20
Hz
Noise
/
resolution
as
a
function
of
filter
setting
and
object
color
Sensor
Type
M7LL10,
range
10
mm
Measurement
has
been
made
with
an
analog
oszilloscope.
On
white
object
On
black
object
M7LL10
Noise
***
Resolution
M7LL10
Noise
***
Resolution
10.000
Hz
13
mV
6.5
µm
10.000
Hz
200
mV
100
µm
7.000
Hz
12
mV
6.0
µm
7.000
Hz
180
mV
90
µm
4.000
Hz
8
mV
4.0
µm
4.000
Hz
150
mV
75
µm
1.000
Hz
6
mV
3.0
µm
1.000
Hz
100
mV
50
µm
250
Hz
3
mV
1.5
µm
250
Hz
60
mV
30
µm
1000Hz
2
mV
1.0
µm
1000Hz
40
mV
20
µm
25
Hz
1.5
mV
0.7
µm
25
Hz
20
mV
10
µm
20
Hz
1
mV
0.5
µm
20
Hz
15
mV
7.5
µm
***
measured
at
the
analog
output;
±
10
V
=
10
mm
