Construction And Function; Function - Balluff BML SF2-I2 Série Notice D'utilisation

BML SF2-I2 _ _ -GZZZ - ZZZ5-...
Incremental Magnetic Encoder System
3

Construction and function

3.1

Function

The BML is a non-contact incremental magnetically coded
position measuring consisting of a sensor head and
magnetic tape.
The sensor head and magnetic tape are mounted on the
machine. The magnetic tape includes alternating north and
south magnetic poles. The incremental sensor in the
sensor head measures the alternating magnetic field.
Moving without any contact over the magnetic tape, the
sensor in the sensor head detects the magnetic periods
and sends them in an appropriate format to the controller.
In this way the controller can determine the distance
traveled.
The system is available with or without a reference point
function. In systems with the reference point function, the
reference point is integrated in the magnetic tape and the
function is implemented via magnetic sampling.
Not all variants cover the functions shown; there
may be some deviation from the figures shown.
Overview – Variants
BML SF2-_ _01-.../
BML SF2-_ _21-...
– Longitudinal variant
– No reference sensor
Incremental sensor
Reference sensor
Fig. 3-1: Overview of variants
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BML SF2-_ _02-.../
BML SF2-_ _22-...
– Lateral variant
– No reference sensor
BML SF2-_ _11-...
– Longitudinal variant
– With reference sensor
BML SF2-_ _12-...
– Lateral variant
– With reference sensor
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