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CN14: RS-422/485 Connector (3x2 Header, COM 4)
PIN Description PIN Description
1
TX-
3
RX+
5
GND
NOTE:
The terminal resistance of RX & TX is set at 180
CN13: COM 4 use RS-232 or RS-422/485 Select
Options
RS-232 (default)
RS-485 Transmit Only (*1)
RS-485 by –RTS (*-1)
RS-422/485 Full Duplex (*2)
NOTE:
*1: 2-wires RS-485 function
*2: 4-wires point-to-point full duplex function
4-wires point-to-point full duplex RS-422/485
Typical RS-485 2-wires Mutildrop Network
14
2
TX+
4
RX-
6
N/C
Ω
Settings
Open
Short 1-2, 3-4, 5-7, 8-10
Short 1-2, 3-4, 7-9, 8-10
Short 1-2, 3-4, 6-8
2
6
1
5
.
2
10
1
9
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