Wiring Principle - B&R BRCOMP1-0 Anwenderhandbuch

B&R COMPACT PLC

21.5.1 Wiring Principle

Node 1
Opto- Opto-
coupler coupler
Transceiver
CAN
GND
CAN H CAN L
Termination Resistance 120 Ω
8 - 15 VDC
21.5.2 Block Diagram of a Node
IRQ
A 0-7
Address
Buffer
D 0-7
Data
Buffer
CS, R/W
E, AS
Control
Decoder
Signal
Reset
- 220 -
Node n-1
Opto- Opto-
coupler coupler
Transceiver
CAN H CAN L
16 MHz
INT XTAL1
82527,
Tx0
Intel
AD0-7 Rx0
SW1 SW0
Type of Node
Operation Number
CAN
GND
Vcc2
82C250
Node n
Opto- Opto-
coupler coupler
Transceiver
CAN
GND
CAN H CAN L
Termination Resistance 120 Ω
CAN_H
7
18 V
CAN_L
2
18 V
CAN_GND
3