2 mode of operation, 3 block diagram, Address bus – Siemens S5-135U/155U User Manual
Page 499: S5 bus, Data bus, S1 s2 s3 s4
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10-3
System Manual
C79000-G8576-C199-06
10.1.2
Mode of Operation
10.1.3
Block Diagram
Address comparison
Control signal
monitoring
MEMR
MEMW
RDY
Edge
BASP
R/W
DB
ADB
CPKL
S
R
RUN
Presel-
ection
of time
Address
comparison
Read and
compare
data
Bit
inversion
Daten
ausgeben
S5
Bus
Address bus
Data bus
Address
comparison
S1
S2
S3
S4
X4/5
X4/6
X4/4
RESET input
L+ (24V)
L–
internal +5V
internal 0V
X4/3
X4/2
X4/1
Relay contact
w
1
Time
moni-
toring
Time
moni-
toring
Time
moni-
toring
Address
comparison
Address
comparison
w
1
w
1
Figure 10-2
Block Diagram
Monitoring Module
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