KEP MMI-1500 Installation & Operation Manual page 235

16.11.3.2 Wiring for cable connections using Hitachi EH Series CPU's with RS232 RJ45 Female Socket ports.
RS-232 port 1 (RS-232 switches: 1,4,7,8=OFF 2,3,5=ON)
KEP Part#: (Not Available) (D-Sub 9 Male Socket to RJ45 Male Plug Cable)
HMI PLC[RS-232]
2 TXD
3 RXD
5 GND
7 CTS 8 RTS
Wiring for cable connections using Hitachi EH Series CPU's with RS485-4 Wire RJ45 Female
16.11.3.3
Socket ports. RS-232 port 1 (RS-485 switches: 1,4,7,8=OFF 2,3,5 =ON)
KEP Part#: (Not Available) (D-Sub 9 Female Plug to RJ45 Male Plug Cable)
HMI PLC[RS-232]
1 RXD-
2 RXD+
3 TXD-
4 TXD+
5 GND
7 CTS 8 RTS
16.11.3.4 Wiring for cable connections using Hitachi EH Series CPU's with RS485-2 Wire RJ45 Female
Socket ports. RS-232 port 1 (RS-485 switches: 1,4,7,8=OFF 2,3,5 =ON)
KEP Part#: (Not Available) (D-Sub 9 Female Plug to RJ45 Male Plug Cable)
HMI PLC[RS-232]
1 RXD-/TXD-
2 RXD+/TXD+
5 GND
7 CTS 8 RTS
Note: Graphic representation may not reflect the actual appearance of the finished cable.
Connect to Hitachi EH Series CPU's with RS232 Port 1
6 RXD
5 TXD
1 GND
Shield Earth Ground
Connect to Hitachi EH Series CPU's with RS485 Port 1
5 TXD-
4 TXD+
6 RXD-
7 RXD+
1 GND
Shield Earth Ground
Must be jumpered on HMI RS232 port
Connect to Hitachi EH Series CPU's with RS485 Port 1
5 TXD- 6 RXD-
4 TXD+ 7 RXD+
1 GND
Shield Earth Ground
Must be jumpered on HMI RS232 port
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