Device Data
3-38
E Siemens AG, 2003 All rights reserved
SIMOTION C230-2, 04.2003 Edition
Encoder characteristics
Encoders that can be connected directly (or EXEs) must fulfill the following condi-
tions:
Incremental encoders
Transmission procedure: Differential transmission using 5 V rectangular signals
(such as the Standard RS422 )
Output signals: Track A as non-inverted and inverted signal
(U
a1
, U
a1
)
Track B as non-inverted and inverted signal
(U
a2
, U
a2
)
Zero signal Z as non-inverted and inverted signal
(U
a0
, U
a0
)
Max. output frequency: 1 MHz
Phase shift
of tracks A to B: 90° "30°
Power consumption: Max. 300 mA
Signal forms of incremental encoders
876543210
A
A_N
B
B_N
Z
Z_N
Counting
pulses
with
pulse
quadruplication
w400 ns w200 ns
w200 ns
Fig. 3-7 Signal forms of incremental encoders
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