Kontron VSBC-32 - Manual (Page 89)

VSBC-32 Serial Interface Piggybacks
ID 21168, Rev. 04 Page B - 9 © PEP Modular Computers GmbH
B.6 SI-PB485-ISO
The SI-PB485-ISO is an RS-485 optoisolated interface piggyback for 2-wire half-duplex
(PROFIBUS) connection. It has one LED fitted indicating data transmission.
B.6.1 Specifications
B.6.2 Front Panel View, Jumper Layout, and Pinout
Figure B-5: SI-PB485-ISO Serial Interface Piggyback
N/C Not connected
On-board termination:
Isolation voltage
Max. baudrate
150ohm, jumper selectable
Optocoupler specified up to 2.5kV
1.5MBaud
Table B-8: SI-PB485-ISO Connector Pinout
Pin Signal Description
1 N/C —
2 N/C —
3 RxD+/TxD+ Receive/Transmit Data plus
4 N/C —
5 DGND Data Ground (GND 5V)
6 VP Voltage Plus (+5V)
7 N/C —
8 RxD-/TxD- Receive/Transmit minus
9 N/C —
9-pin D-Sub
female
connector
(SCC1) Pin 1
Pin 5
Pin 6
Pin 9
Tx
Transmit
Yellow
2
3
J5 1
2
3
J6 1
J3
J2
J1
J4