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RE_240-1CA20

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Manual VIPA System 200V Chapter 2 Hardware description
HB97E - CP - RE_240-1CA20 - Rev. 12/42 2-3
Structure
[1] LED status indicator
PW
ER
TxD
RxD
CP 240
X
4
56
VIPA 240-1CA20
1
2
R
S
4
8
5
[2] 9pin serial D-type plug for RS485
communication
RS485
5
4
3
2
1
9
8
7
6
n. c.
n. c.
RxD/TxD-P
RTS
M5V
P5V
n. c.
RxD/TxD-N
n.c.
1
2
3
4
5
6
7
8
9
• Logical states represented by voltage differences between the two cores
of a twisted pair cable
• Serial bus connection in two-wire technology using half duplex mode
• High noise immunity
• Connection of up to 32 stations
• Data transfer up to 500m
• Data transfer rate up to 115.2kbit/s
9pin D-type jack
Pin Designation Input/Output Signal description
1 n.c. ---
2 n.c. ---
3 RxD/TxD-P (Line B) Input/Output Receive/Send data
4 RTS Output Request to send
5 M5V Output Ground isolated
6 P5V Output 5V isolated
7 n.c. ---
8 RxD/TxD-N (Line A) Input/Output Receive/Send data
9 n.c. ---
Note!
Never connect the shield of the cable with M5V (Pin 5), as this could
destroy the interface!
CP 240 RS485
240-1CA20
Interfaces
RS485 interface