Balluff BML SGA-AEZ1-LZZZ 1 Series, User Manual

Page: 48 / 134

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The data are values at room temperature when using
magnetic tape BML-M02-A55-A… with an air gap of 0.3
mm over the tape (without cover tape).
For special versions, other technical data may
apply.
Special versions are indicated by the suffix -SA
on the part label.
7.1 Accuracy
Resolution of DRIVE-CLiQ
interface
1 µm/increment
Repeat accuracy ≤ 1 μm
Hysteresis ≤ 1 μm
Max. non-linearity of sensor
head
±2 μm
Non-linearity
of entire system (sensor
head + magnetic tape)
see Section 4.3.3 and
Section 4.3.4
Temperature coefficient of
the entire system
10.5 ppm/K
Movement speed Max. 5 m/s
7.2 Ambient conditions
Operating temperature –30 °C…+70 °C
Storage temperature
for sensor head
–30 °C…+85 °C
Shock rating
Continuous shock
as per EN 60068-2-27
2)
100 g/6 ms
150 g/2 ms
Vibration load
per EN 60068-2-6
2)
20 g, 10…2000 Hz
Noise
per EN 60068-2-64
2)
20 g, 5 …2000 Hz
Degree of protection per
IEC 60529 (with
screwed-on connector)
IP67
External magnetic fields – < 30 mT (to avoid
permanent damage)
– < 1 mT (to avoid
influencing the
measurement)
Relative humidity 90% RH, condensation not
permitted
7.3 Power supply
Supply voltage
3)
10 to 30 V DC
Current draw at 24 V
4), 5)
75 mA
Power consumption ≤ 1.8 W
Polarity reversal protection Yes
Overvoltage protection up to 36 V DC
Dielectric strength
(GND to housing)
500 V DC
Switch-on delay (system
ready) after applying supply
voltage
3300 ms
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, resonant
frequencies excluded
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.
4)
Maximum value for active DRIVE-CLiQ communication and with no
controller current draw
5)
Supply voltage
1)
7
Technical data
BML SGA-AEZ1-LZZZ- _ _ _1- _ _ _ _
Absolute magnetic encoder system
english