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For wires with a core cross-section of 0.08mm
2
up to 1.5mm
2
.
Pos.
Function
Type
Description
1
TxD-P (B)
O
Send data (RS422)
2
RxD-P (B)
TxD/RxD-P (B)
I
O/I
Receive data (RS422)
Send-/Receive data (RS485)
3
RTS
O
Request to send (RS485)
RTS at logic "1": CP ready to send
RTS at logic "0": CP is not sending
4
TERM
I
Terminating resistor *
5
TxD-N (A)
O
Send data (RS422)
6
RxD-N (A)
TxD/RxD-N (A)
I
O/I
Receive data (RS422)
Send-/Receive data (RS485)
7
GND_ISO
O
Signal ground (isolated)
8
TERM
I
Terminating resistor *
*) A bridge between the two TERM inputs activates a terminal resistance of 120Ω on the receiver side between RxD-P
(Pin 2) and RxD-N (Pin 6).
I: Input, O: Output
n
Logical conditions as voltage difference between 2 twisted lines
n
Serial bus connection
–
full-duplex (RS422 four-wire operation)
–
half-duplex (RS485 two-wire operation)
n
Line length: 250m at 115.2kbit/s ... 1200m at 19.2kbit/s
n
Data transfer rate up to 115.2kbit/s
Terminal
RS422/485
VIPA System SLIO
Hardware description
Structure
HB300 | CP | 040-1CA00 | en | 18-28
35