Serial Port; Ethernet Port - Panasonic HMx700 Series Instruction Manual

12.3 Serial port

The serial port is used to communicate with the PLC or with another type of controller.
Standards available for the signals in the PLC port connector are: RS232, RS422, RS485. Use the
corresponding communication cable for the connection.
The serial port is software programmable. Make sure to select the appropriate interface in the
programming software.
RS232
Pin Description
1 RX
2 TX
3 CTS
4 RTS
5 +5V output
6 GND
7
8 SHIELD

12.4 Ethernet port

The Ethernet port has two LED status indicators.
1 8
(1)
(1) Yellow LED
ETH0:
ON: 1000Mbit link; OFF: 10/100Mbit
ETH1/2:
ON: 100Mbit; OFF: 10Mbit
For HMx705:
ON: 100Mbit; OFF: 10Mbit
(2) Green LED
ON: No activity
Flashes: Activity
ACGM0197V4EN Version 4.0
(2)
Serial port
RS422, RS485
Pin Description
1 CHB-
2 CHA-
3 CHB+
4 CHA+
5 +5V output
6 GND
7
8 SHIELD
For RS485, pins 1-2 and 3-4 must be
connected externally.
Connections
19