Balluff BML-S1H1 Series, User Manual

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www.balluff.com 17
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 0.9765625 μm
(1000/1024 µm) per LSB
Repeat accuracy < 1 μm
Hysteresis ≤ 2 μm
Max. non-linearity of the
sensor head
±2 μm
Max. non-linearity of entire
system (sensor head +
magnetic tape)
±7 μm
Temperature coefficient of
the entire system
10.5 ppm/K (as with steel)
Movement speed Max. 7 m/s
7.2 Ambient conditions
1)
Operating temperature –20 °C to +80 °C
Storage temperature –30 °C to +85 °C
Shock rating
per EN 60068-2-27
2)
100 g/6 ms
Continuous shock
per EN 60068-2-29
2)
100 g/2 ms
Vibration load
per EN 60068-2-6
2)
12 g, 10 to 2000 Hz
Degree of protection per
IEC 60529 (sensor head
with screwed-on connector)
IP 67
External magnetic fields – < 30 mT (to avoid
permanent damage)
– < 1 mT (to avoid
influencing the
measurement)
Relative humidity 90% RH, condensation
permitted
7.3 Supply voltage
Supply voltage
3)
5 V ±5%
Current draw
at 5 V supply voltage
< 60 mA + controller current
draw (depending on internal
resistance)
Reverse polarity protection No
Overvoltage protection
No
Dielectric strength
(GND to housing)
500 V DC
7.4 Outputs
SSI (BML-S1H_- S …)
Absolute output RS 422 differential signal
Bit number – 16 (BML-S…-M3
A
A-…)
– 18 (BML-S…-M3
C
A-…)
– 20 (BML-S…-M3
F
A-…)
(incl. error and null bits)
Coding Binary code or gray code
Count direction Rising or falling
SSI data Position
SSI clock frequency f
Clk
100 kHz to 4 MHz
BiSS C (BML-S1H_- B …)
Absolute output RS 422 differential signal
Real-time output Analog, 1 Vss (sine, cosine
signal)
Output voltage 1 Vss; 1 mm period
Bit number – 16 (BML-S…-M3 A A-…)
– 18 (BML-S…-M3 C A-…)
– 20 (BML-S…-M3 F A-…)
(4 null bits, 16/18/20
position bits + 1 error bit +
1 warning bit + 6 CRC bits)
Coding Binary code
Count direction Rising
BiSS-C data Position, error bit, warning
bit, CRC
BiSS C clock frequency 2 MHz to 10 MHz
BiSS t
m
time (time until the
interface is ready again)
2 × T
Clk
Additional real-time output
Real-time output – Analog, incremental
real-time signal
– 1 Vss (sine, cosine signal),
1 mm period
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-S1H1/2-B/S6 _ C-M3 _ A-D0-KA _ _ , _ -S284
Absolute Magnetically Coded Position Measuring System
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