Horner APG RX371 OCS HERX371C101 User Manual
Page 3
MAN0925-02-EN
Specifications / Installation
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6/1/11 Page 3 of 5 # 1018
4.1
Serial Communications
:
MJ1: (RS-232 / RS-485) Use for Cscape programming and
Application-Defined Communications.
MJ2: (RS-232 / RS-485) Use for Application-Defined
Communications.
Pin
MJ1 Pins
MJ2 Pins
Signal
Direction
Signal
Direction
8
TXD
OUT
TXD
OUT
7
RXD
IN
RXD
IN
6
0 V
Ground
0 V
Ground
5*
+5 60mA
OUT
+5 60mA
OUT
4
RTS
OUT
TX-
OUT
3
CTS
IN
TX+
OUT
2
RX- / TX-
IN / OUT
RX-
IN
1
RX+ / TX+
IN / OUT
RX+
IN
1
8
Pin
MJ2 Pins
Signal
Direction
8
TXD
OUT
7
RXD
IN
6
0 V
Ground
5*
+5 60mA
OUT
4
TX-
OUT
3
TX+
OUT
2
TX-/RX-
IN/OUT
1
TX+/RX+
IN/OUT
1
8
MJ2 Half Duplex Mode
* +5V 60mA Max
Pin
MJ2 Pins
Signal
Direction
8
TXD
OUT
7
RXD
IN
6
0 V
Ground
5*
+5 60mA
OUT
4
TX-
OUT
3
TX+
OUT
2
RX-
IN
1
RX+
IN
1
8
MJ2 Full Duplex Mode
* +5V 60mA Max
Smart Stack Connector
DIP Switches
MJ2
MJ1
CAN
Power
USB A
Ethernet