Eh-Sio; Supported Function; Port Number Setting - Hitachi EHV+ Series Applications Manual

Chapter 3 General Specifications

3.14 EH-SIO

3.14.1 Supported function

Any version of EH-SIO works with "EHV+" however, supported function is different from EHV/EH series as below.
Function
Modbus-RTU master
Modbus-ASCII master
Modbus-RTU/ASCII slave
General purpose communication (Free protocol)
Hi-Protocol
Simple data link
X = Supported, - = Not supported

3.14.2 Port number setting

Open "EH-SIO Configuration" window and set the port number from "COM2" to "COM15" ("COM1" is reserved for
CPU local port) or "None". Each COM port number must be unique. If it is duplicated, EH-SIO does not work.
N o t e
If a COM port of EH-SIO is not used, be sure to set "None",
otherwise EH-SIO doest not work.
EHV+
Double click
Set "None" for unused port.
3 – 40
EHV/EH-CPU
X X
- X
- X
X X
- X
- X
CPU port "COM1" (fixed)
EH-SIO port 1
"COM2" to "COM15" or "None"
EH-SIO port 2
"COM2" to "COM15" or "None"
EH-SIO port 1
"COM2" to "COM15" or "None"
EH-SIO port 2
"COM2" to "COM15" or "None"