Overview
NET485 User Guide
1-5
1.2.3 RS485 Operation
For RS485 mode, the TXDA signal is connected to the RXDA terminal, and the TXDB signal is connected
to the RXDB terminal. The three signals are TXDA, RXDB, and signal ground.
D
R
Vcc
3.3V
DE
DI
RO
RE
GND
8
3
4
1
2
5
7
6
6
D
R
Vcc
3.3V
DE
DI
RO
RE
GND
8
3
4
1
2
5
7
6
3.3V
CP0
TX
4
RX
5
Vcc
3.3V
2
GND
1
3.3V
RS485
Mode
TXDA (Pin 7)
RS485
Mode
TXDB (Pin 6)
RXDA (Pin 5)
RXDB (Pin 4)
SGND (Pin 3)
2
1
3
R13
10K
J2
CPU
TXDA
TXDB
SGND
Figure 2 - RS485 Wiring
Summary of Contents for NET485
Page 1: ...NET485 RS422 485 Serial to Ethernet Adapter Revision E October 14 2013 ...
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Page 60: ...Tables 7 2 NET485 User Guide Click Hex The hexadecimal value displays ...
Page 62: ...Tables 8 2 NET485 User Guide 8 1 Certificate of Compliance ...