Balluff BML SF2-I2 -A- Z 5-KA Serie Manual De Instrucciones página 48

BML SF2-I2 _ _ -A/QZ _ _ - Z _ _ 5-...
Incremental magnetic encoder system
4
Installation and connection (continued)
Sensor head without reference point function or with
pole-periodic reference point function
BML SF2-_ _0_-...
(no reference signal) or
BML SF2-_ _2_-... (pole-
periodic reference signal)
Z
(air gap sensor/
magnetic tape)
Z
(air gap between
sensor/magnetic tape
with cover strip)
Y (transverse offset)
Pitch
Yaw
Roll
Maximum non-linearity
(sensor head)
Hysteresis
Repeat accuracy
1)
In the case of BML SF2-_ _ _ _-A... controller-dependent
1)
Tab. 4-2: Mechanical tolerances and measuring accuracy without
reference point function or with pole-periodic reference
point function
Sensor head with integrated reference sensor
BML SF2-_ _1_-... (single signal or
fixed-periodic)
Z
(air gap sensor/magnetic tape)
Z
(air gap between sensor/
magnetic tape with cover strip)
Y (transverse offset)
Pitch
Yaw
Roll
Maximum non-linearity
(sensor head)
1)
Hysteresis
Repeat accuracy
Higher values are possible within the range of the reference points. These
1)
can be minimized by aligning the sensor head to the magnetic tape (see
Tab. 4-4 on page 15).
In the case of BML SF2-_ _ _ _-A... controller-dependent
2)
Tab. 4-3: Mechanical tolerances and measuring accuracy, with
integrated reference sensor
14 english
Working range 1
Longitudinal Transverse
variant variant
SF2-...1-... SF2-...2-...
≤ 1 mm
≤ 0.85 mm
0... +0.5...
–6.0 mm –5.5 mm
±4 µm
≤ 4 µm
≤ 1 µm
Working range 1
Longitudinal
variant
SF2-...1-...
≤ 1 mm
≤ 0.85 mm
0...
–1.0 mm
±4 µm
≤ 4 µm
≤ 1 µm
2)
Working range 2
Longitudinal Transverse
variant variant
SF2-...1-... SF2-...2-...
≤ 1.5 mm
≤ 1.35 mm
0... +0.5...
–6.0 mm –5.5 mm
≤ ±1°
±6 µm
≤ 8 µm
≤ 2 µm
Working range 2
Transverse Longitudinal
variant variant
SF2-...2-... SF2-...1-...
≤ 1.5 mm
≤ 1.35 mm
+0.5... 0...
–0.5 mm –1.0 mm
≤ ±1°
±6 µm
≤ 8 µm
≤ 2 µm
Function range
Longitudinal Transverse
variant variant
SF2-...1-... SF2-...2-...
≤ 1.8 mm
≤ 1.65 mm
0... +0.5...
–6.0 mm –5.5 mm
(typically: ±15 µm)
Typically: 30 µm
≤ 2 µm
Transverse
variant
SF2-...2-...
+0.5...
–0.5 mm