OPTO 22 B3000-B, Руководство пользователя

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WIRING DIAGRAMS
B3000-B Serial Brains User’s Guide 16
Wiring the Brain to a PCI-AC48 Adapter Card in a PC (continued)
Four-wire
Four-wire with interrupt line
TX/RX +
TX/RX –
COM
RX +
RX –
TX/RX +
TX/RX –
COM
RX +
RX –
Earth GND
PCI-AC48 adapter card in PC
Port B
Port A
Termination switches, end of cable
All switches ON Middle of cable
All switches OFF
1
2
3
ON
1
2
3
ON
NOTE: An actual PCI-AC48 card
connector has 10 pins, and the
pins are in a different order than
shown here.
COM
TX +
TX –
RX +
RX –
2
1
2
1
3
TX/RX +
TX/RX –
COM
RX +
RX –
IRQ +
IRQ –
TX/RX +
TX/RX –
COM
RX +
RX –
IRQ +
IRQ –
Earth GND
PCI-AC48 adapter card in PC
Port B
Port A
Termination switches, end of cable
All switches ON Middle of cable
All switches OFF
1
2
3
ON 1
2
3
ON
NOTE: An actual PCI-AC48 card
connector has 10 pins, and the
pins are in a different order than
shown here.
COM
TX –
IRQ –
IRQ +
RX +
RX –
TX –
IRQ +
TX +
2
1
3
2
1
5
4