17
JP12~JP16: COM 2~COM 6 Connector (5x2 Header)
PIN Description PIN Description
1
DCD
2
DSR
3
RXD
4
RTS
5
TXD
6
CTS
7
DTR
8
RI
9
GND
10
+12V
1
9
10
2
J2/J3: RS-422/485 Connector (3x2 Header, COM 3/COM 4)
PIN Description PIN Description
1
TX-
2
TX+
3
RX+
4
RX-
5
GND
6
+5V
1
5
6
2
NOTE:
The terminal resistance of RX & TX is set at 180
Ω
.
JP23/JP24: COM 3/COM 4 use RS-232 or RS-422/485 Select
Options
Settings
RS-232 (default)
Open
RS-485 by Auto (*1)
Short 1-2, 3-4, 5-7, 8-10
RS-485 by –RTS (*-1)
Short 1-2, 3-4, 7-9, 8-10
RS-422/485 Full Duplex (*2)
Short 1-2, 3-4, 6-8
1
9
10
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
