ꢂ
ꢂ
J3: RS-422/485 Connector (3x2 Header)
PIN Description PIN Description
5
6
1
2
1
3
5
TX-
RX+
GND
2
4
6
TX+
RX-
VCC
JP4: COM 2 use RS-232 or RS-422/485 Select
Options
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
9
1
2
RS-232 (default)
RS-485 by Auto (*1)
RS-485 by –RTS (*-1)
10
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
3.11 Ethernet Connector
The HS-7250/HS-7650 series provides two external RJ-45 interface
connectors. Please refer to the following for its pin information.
ꢂ JP1: Onboard LAN 2 Enabled/Disabled Select
Options
Enabled (default)
Disabled
Settings
Short 1-2
Short 2-3
1
3
15