Input/output modules
Hardware - SIMADYN D
5-47
Edition 12.2004
5
50 mA driver
Latch
D
A
D
A
ITDC
controller
and
gating unit
Local expansion bus
Ad
dr
es
s b
us
Da
ta
b
us
Co
nt
ro
l b
us
P5
M
P15
N15
4 binary outputs
2 analog outputs
Da
ta
b
us
A
ddr
es
s bu
s
Co
nt
ro
l b
us
Changeov. switch
Pulse
sensing
5V/15V
T filter
Driver
4 binary intputs
ASIC U1
Speed input
5V/15V
ASIC U1
ASIC U1
ASIC U1
Curr. act. val. sens.
Zero current sens.
Volt. act. val. sens.
Watchdog
Main pulse length
Second pulse length
Line counter L12
Line counter Usyn
Line angular encoder
Line counter L13
Pulse generator
Si
to
r i
nt
erfac
e
Actual values
Pulse end stage
ASIC U1
Line counter Vsyn2
Line counter Vsyn3
Fig. 5-11 Block diagramm ITDC
Block diagram
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