5
5
BML SGA-AEZ1-LZZZ-ZU11-S115
Absolute Magnetically Coded Position Measuring System
Construction and function (continued)
english
www.balluff.com
2
–Roll
+Roll
Linear application
Working range 1
1)
Working range 2
1)
Function range
1)
Mechanical tolerances
Z
(gap between sensor head/magnetic
tape)
≤ 0.3 mm
≤ 0.8 mm
≤ 1.3 mm
Z
(gap between sensor head/magnetic
tape with cover strip)
≤ 0.15 mm
≤ 0.65 mm
≤ 1.15 mm
Y
(side offset)
±0.5 mm
±1.0 mm
±1.5 mm
Pitch
±0.5°
Yaw
±1°
Roll
±0.5°
Measuring accuracy
Max. non-linearity of entire system
(sensor head + magnetic tape)
±12 µm
±30 µm
±100 µm
Non-linearity of sensor head
±2 µm
±20 µm
±40 µm
Hysteresis
≤ 1 µm
≤ 2 µm
≤ 25 µm
Repeat accuracy
≤ 1 µm
≤ 2 µm
≤ 2 µm
1) The different mounting tolerances must be met depending on the required measuring accuracy.
Free area of magnetizable
material
Travel direction:
forward, A (sin) before B
(cos)
Active measuring surface
Z
X
Z
Tangential point
–Pitch
+Pitch
Curved application
Diameter
2000 mm
1000 mm
400 mm
Mechanical tolerances
Z
(gap between sensor head/
magnetic tape)
≤ 0.7 mm
≤ 0.6 mm
≤ 0.2 mm
Z
(gap between sensor head/
magnetic tape with cover strip)
0.55 mm
0.45 mm
–
Y
(side offset)
±0.5 mm
X
(tangential offset)
34.6 mm ±0.5 mm
Pitch
±0.5°
Yaw
±1°
Roll
±0.5°
Linear application
Curved application
–Pitch
+Pitch
Z
+Yaw
–Yaw
Y
34.6
