Balluff BML-S1F Series, User Manual, Page: 45 / 130

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The specifications are typical values at room temperature.
For special versions, other technical data may
apply.
Special versions are indicated by the suffix -SA
on the part label.
7.1 Accuracy
Position resolution
Analog
Dependent on evaluation
Digital
BML…-M 3 _ _-… 1 µm, 2 µm, 5 µm, 10 µm
BML…-M
5
_ _-… 2 µm, 4 µm, 10 µm, 20 µm
Repeat accuracy < 1 increment
System accuracy
BML…-M
3
_ _-… ±10 µm
BML…-M 5 _ _-… ±20 µm
Hysteresis
BML…-M 3 _ _-… ≤ 2 µm
BML…-M 5 _ _-… ≤ 4 µm
Max. non-linearity of
processing electronics
BML…-M 3 _ _-… ≤ ±2 µm
BML…-M 5 _ _-… ≤ ±4 µm
7.2 Ambient conditions
Operating temperature –20°C to +80°C
Storage temperature –30°C to +85°C
Shock rating
Continuous shock
per EN 60068-2-27
2)
100 g/6 ms
100 g/2 ms
Vibration load
per EN 60068-2-6
2)
12 g, 10 to 2000 Hz
Degree of protection per
IEC 60529
IP67
External magnetic fields – < 30 mT (to avoid
permanent damage)
– < 1 mT (to avoid influencing
the measurement)
Relative humidity < 90%, non-condensing
1)
7.3 Supply voltage
Supply voltage
3)
5 V ±5%
Current draw < 50 mA + controller current
draw (depending on internal
resistance), at 5 V supply
voltage
Reverse polarity
protection
No
Overvoltage protection No
Dielectric strength (GND
to housing)
500 V DC
7.4 Output
Output signals See Tab. 4-2 on page 12
Output circuit RS422 (Line Driver)
7.5 Dimensions, weights
Reading distance
sensor head/magnetic
tape
See Tab. 4-1 on page 11
Maximum movement
speed
20 m/s
(depending on type, see
Tab. 6-1 and Tab. 6-2 on
page 17)
Weight (sensor head) 21 g (without cable)
Material (housing) Aluminum
Magnetic tape
temperature coefficient
(like steel)
10.5×10
-6
K
-1
1) For : Use in enclosed spaces and up to a height of 2000 m above
sea level.
2) Individual specifications as per Balluff factory standard
3)
For : The sensor head must be externally connected via a
limited-energy circuit as defined in UL 61010-1, a low-power source as
defined in UL 60950-1 or a class 2 power supply as defined in UL 1310
or UL 1585.
7
Technical data
BML-S1F_-A/Q _ _ _ -M_ _ 0- _ 0-…
Incremental Magnetic Linear Encoder
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