HMi Series Instruction Leaflet
EATON CORPORATION
www.eaton.com 13
For 6" (HMI06BE, HMI06GE, HMI06CE), 8" (HMI08CE), and 10" (HMI10CE)
COM1 is RS-232 only
COM2 and COM3
DB 9 Pinout for COM1 RS-232
PIN
COM1
1
2 RX
3 TX
4
5 GND
6
7 RTS
8 CTS
9
Note: Blank=No connection.
DB 9 Pinout for COM2 and COM3
RS-232
COM3 Not Used
COM3 Used
PIN
COM2
COM3
COM2
COM3
1
2 RX
RX
3 TX
TX
4
5 GND
GND
GND
6
7 RTS
TX
8 CTS
RX
9
Not Use
d
COM2 and COM3
DB 9 Pinout for COM2 and COM3
RS-485
COM3 Not Used
COM3 Used
PIN
COM2
COM3
COM2
COM3
1 RX-
RX-
2 RX+
RX+
3 TX+
TX+
4 TX-
TX-
5 GND
GND
GND
6
TX-
7
TX+
8
RX+
9
Not Use
d
RX-
DB 9 Pinout for COM2 and COM3
RS-422
COM3 Not Used
COM3 Used
PIN
COM2
COM3
COM2
COM3
1 RX-
RX-
2 RX+
RX+
3 TX+
TX+
4 TX-
TX-
5 GND
GND
GND
6 RTS-
TX-
7 RTS+
TX+
8 CTS+
RX+
9 CTS-
Not Use
d
RX-
Note: Blank=No connection.
Note: For RS-485 Connect TX+ to RX+ and TX- to RX-.