Technical Documentation ECE10CM, DC10CM Page 25 of 39
Generator Equivalent Circuit
The generator equivalent circuit derives from the resolver signal a
pulse sequence which corresponds to the pulse sequence of an
incremental generator. The length of the zero pulse is set at 90°.
1024 pulses equal 1 motor revolution.
The levels of all outputs are RS485 compatible.
Min. 100 Ω must be provided as terminating resistance?.
B
(
X
4
-
3
)
track
(
X
4
-
1
)
0
(
X
4
-
5
)
/
(
X
4
-
2
)
/
B
(
X
4
-
4
)
/
0
(
X
4
-
6
)
track
track
track
track
track
4.4.8.4 EMF Regulation + IxR Compensation (DC10CM-00)
If a permanently excited DC motor is used, operation is possible without additional feedback.
The speed is then regulated via EMF regulation with IxR compensation. A control range of
1:100 can also be achieved with optimum settings without feedback.
4.4.8.5 DC Tachogenerator (DC10CM-01)
If a permanently excited DC motor is used with DC tachogenerator attached, a control range
of 1:1000 can be achieved.
The tachocables must be screened. Minimum cable cross-section 0.25 mm².
1
4
G
N
D
G
D
C
-
T
a
c
h
o
1
0
k
drive control
internal circuit
Level Definition at Nominal Speed
minimum level: 10V
maximum level: 100 V
reference potential: GND
input resistance: Ri = 5 kOhm
For level adjustment see Chapter 5.4
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