Datalogic DS2400N - RS485 Full-Duplex Interface

INSTALLATION
3
RS485 Full-Duplex Interface
The RS485 full-duplex interface (5 wires + shield) is used for non-polled
communication protocols in point-to-point connections over longer distances than
those acceptable for RS232 communications or in electrically noisy environments.
The connector pinout follows:
Pin Name Function
2 TX485+ RS485 transmit data +
4 TX485- RS485 transmit data –
3 RX485+ RS485 receive data +
5 RX485- RS485 receive data -
7 SGND signal ground
DS2400N
TX485+
2
TX485-
4
RX485+
3
RX485
RX485-
5
TX485
7
SGND
SGND
USER INTERFACE
+
-
+
-
+
Chassis
1
Figure 20 - RS485 Full-duplex Connections
35