Technical Data; Sensor Head; Accuracy; Ambient Conditions - Balluff BML SF2-I2 -A- Z 5-KA Serie Manual De Instrucciones

BML SF2-I2 _ _ -A/QZ _ _ - Z _ _ 5-...
Incremental magnetic encoder system
7

Technical data

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

Sensor head

7.1.1

Accuracy

Position resolution
BML SF2-...-A...
(analog)
BML SF2-...-Q...
(digital)
Repeat accuracy
Hysteresis
Non-linearity of
sensor head
Read distance
BML SF2-_ _0/2_-...
BML SF2-_ _1_-...
Movement speed
7.1.2

Ambient conditions

Ambient temperature
Storage temperature
Shock rating
as per EN 60068-2-27
2)
Continuous shock
as per EN 60068-2-27
2)
Vibration load
per EN 60068-2-6
2)
Degree of protection as
per IEC 60529
External magnetic fields
Relative humidity
22 english
Controller-dependent
1 µm, 2 µm, 10 µm, 20 µm
≤ 1 µm
≤ 4 µm
≤ ±4 µm
≤ 1.8 mm
≤ 1.5 mm
≤ 20 m/s
(depending on type, see
Tab. 6-2 and Tab. 6-3 on
page 20)
1)
–20 °C...+80 °C
–30 °C...+85 °C
100 g/6 ms
100 g/2 ms
12 g, 10...2000 Hz
IP67
– < 30 mT (to avoid permanent
damage)
– < 1 mT (to avoid influencing
the measurement)
≤ 90% rF, non-condensing
7.1.3

Power supply

Supply voltage 5 V ±5%
3)
Current draw < 50 mA
4)
Reverse-polarity
protection and miswiring
protection
BML SF2-...-A... Yes
BML SF2-...-Q... No
Overvoltage protection No
Dielectric strength 500 V DC
(GND to housing)
7.1.4

Output

Interface
BML SF2-...-A... Analog Sin/Cos (1Vpp)
BML SF2-...-Q... Digital A/B (RS422)
Reference signal
BML SF2-_ _0_-... w/o
BML SF2-_ _1_-... Individually or fixed-periodic
BML SF2-_ _2_-... Pole-periodic
7.1.5

Dimensions, weights

Weight (sensor head) 17 g (no cable)
Housing material Aluminum
For : Use in enclosed spaces and up to a height of 2000 m above
1)
sea level.
Individual specifications as per Balluff factory standard
2)
For : The sensor head must be externally connected via a
3)
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.
Without controller current draw
4)