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3 Technical Data
Output signals
Differ-
ential
signal
(A – *A)
Differ-
ential
signal
(B – *B)
Differ-
ential
signal
(R – *R)
Fig. 3-1
Table 3-2
Encoder tolerances (at measuring system outputs with 120W termination)
Parameter
Signal magnitude
Ratio
Direct component (offset)
Phase angle
Useful signal
Quiescent value
U G(R) /useful value
Range of uniqueness
3-18
SIMODRIVE sensor, Measuring System for Main Spindle Drives SIMAG H (PMH) – 07.02 Edition
360 degrees el.
0
β
0
Range of uniqueness
Direct voltage U
0
G(R)
α1
Encoder signals with CW rotation
Designation
Comment
A–*A; B–*B
(A–*A)/(B–*B)
U OFF (A)/(A–*A);
U GB = 5 V
f 20 kHz
U OFF (B)/(B–*B)
β
R–R*
U G(R) /(R–R*)
α1; α2
Direct comp. U
Off(A)
mech. angle j
45 degrees
Direct comp. U
Off(B)
mech. angle j
Useful signal
mech. angle j
α2
min.
typ.
max.
0.75
1
1.20
0.9
1.0
1.1
–15
0
+15
89
90
91
0.4
–
1.2
30
50
70
90
180
270
Siemens AG 1999–2002 All rights reserved
07.02
Unit
V PP
–
mV
Degrees
V
%
Degrees
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