Eaton HMi Series, Instruction Leaflet

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HMi Series Instruction Leaflet
For 6” (HMI06CU)
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.
Note: HMI06CU supports RS-232 flow control.
DB 9 Pinout for COM2 and COM3
RS-232 RS-232 RS-485
COM3 Not Used COM3 Used PIN
COM2 COM3 COM2 COM3
1
2 RX RX
3 TX TX
4 D+
5 GND GND GND
6
7
8
9
Not Use
d
D-
COM2 and COM3
DB 9 Pinout for COM2 and COM3
RS-485
COM3 Not Used COM3 Used
PIN
COM2 COM3 COM2 COM3
1 D+ D+
2
3
4 D+
5 GND GND GND
6 D- D-
7
8
9
Not Use
d
D-
DB 9 Pinout for COM2 and COM3
RS-232
RS-23
2
RS-42
2
COM3 Not Used COM3 Used
PIN
COM2 COM3 COM2 COM3
1 TX+
2 RX RX
3 TX TX
4 RX+
5 GND GND GND
6 TX-
7
8
9
Not Use
d
RX-
Note: Blank=No connection.
Note: HMI06CU does not support RS-422 flow control.
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