B.6 si-pb485-iso, B.6.1 specifications, B.6.2 front panel view, jumper layout, and pinout – Kontron VSBC-32 User Manual
Page 89: B.6.1, B.6.2, Vsbc-32 serial interface piggybacks

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
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