B module block diagram, Appendix b, Module block diagram – Rockwell Automation 57C409 2 Channel Analog Input Module User Manual
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BĆ1
Appendix B
Module Block Diagram
2 Channel Analog Input Module (57C409)
BUS
ADDRESS
BUS
ADDRESS
BUS
WDOK
B RESET
INITIALIZE
BYTE HI EN
READ MEM
WRITE MEM
XFER AC
ADDRESS
DECODER
MUL
TIBUS
CONTROL
LOGIC
INTERRUPT
CONTROL
4 MHZ
OSC
COMMON CLOCK
+5
DA
T
A
BUFFER
RAM
LOCAL
BUS
CONTROL
LOGIC
A/D
CONVER
TER
WITH
OVER
RANGE
MUX
SAMPLE
AND
HOLD
PROGRAM-
MABLE
FIL
TER
SAMPLE
AND
HOLD
PROGRAM-
MABLE
FIL
TER
1
2
3
4
5
6
7
8
9
10
ISOLA
TING
DC/DC
POWER
SUPPL
Y
NC
–15
+15
+5
+5
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