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05.08
05.01
Incremental signals with two square wave signals A, B offset by 90 de-
grees and reference mark(s) R SIMODRIVE 611 universal HRS/
SIMODRIVE universal HRS E
Transfer:
Signal level:
Power supply:
Max. power supply current:
Max. encoder signal frequency
that can be evaluated:
Note
For the above specified max. encoder signal frequency, the edge clearance
between track A and B must be ≥ 200 ns.
Observe the frequency characteristic of the encoder signals!
Fig. 3-5
© Siemens AG 2012 All Rights Reserved
SIMODRIVE 611 Configuration Manual (PJU) – 02/2012 Edition
3 Motor Selection, Position/Speed Sensing
A–*A
0
90_ el.
360_ el.
B–*B
0
Range of uniqueness
R–*R
0
Signal characteristic for a clockwise direction of rotation
3.4 Direct position sensing
Differential signals
A, *A; B, *B and R, *R
According to RS422
5 V
5% (also refer to Chapter 3.4.2
Encoder power supply)
Max. 300 mA
420 kHz
3
3-71
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