SERIES IP520 INDUSTRIAL I/O PACK EIA/TIA-232E SERIAL COMMUNICATION MODULE
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EIA/TIA-232E
INTERFACE
EIA/TIA-232E
TRANSCEIVERS
TxD
+5V +5V
I/O
PORT I/O
UART B
PORTS
E -> H
P
O
R
T
A
RxD
RTS
P2
CTS
COM
SIGNAL
COMMON
P
O
R
T
H
RxD
RTS
PORTS
B-G
TxD
COM
CTS
DATA BUS
P1
ADDRESS BUS
LOGIC
INTERFACE
CONTROL BUS
ACKNOWLEDGE
+5V
UART A
PORTS
A -> D
CONTROL LOGIC
GENERATOR
&
ID INFORMATION
+5V
+5V
SUPPLY
FILTERING
GND
4501-709A
C
O
M
M
O
N
P2 PINS 1, 6, 11, 16, 21, 26, 31, 36,
& 41-50 ARE SIGNAL COMMON
CONTROL LOGIC
COMMON
IP520 BLOCK DIAGRAM