
7
interface
definition
DIAGRAM OF THE COMMUNICATION INTERFACE
RS232 communication port definition:
RS 485-1 / CAN COMMUNICATION INTERFACE DEFINITON:
INTERFACE
DEFINED DECLARATION
RJ12, RS232 pin layout
PIN 1
NC (empty)
PIN 2
NC (empty)
PIN 3
TX protection board sends data (computer
receiving data foot)
PIN 4
RX protection board receives data (computer
sends data)
PIN 5
Ground signal ground
PIN 6
NC (empty)
INTERFACE
DEFINED DECLARATION
DEFINED DECLARATION
X1
Communication
port definition
RJ45
CAN pin
layout
PIN 1
CANL
RJ45,
RS485 pin
layout
PIN 1
RS485-B1
PIN 2
CGND
PIN 2
RS485-A1
PIN 3
NC (empty)
PIN 3
RS485-GND
PIN 4
CANH
PIN 4
RS485-B1
PIN 5
CANL
PIN 5
RS485-A1
PIN 6
NC (empty)
PIN 6
RS485-GND
PIN 7
CGND
PIN 7
NC (empty)
PIN 8
CANH
PIN 8
NC (empty)