Hitachi EH-150 Series - Chapter 3 Name and Function of each Part

3 - 1
Chapter 3 Name and function of each part
Name and function of each part
Type
EH-SIO
Mass
Approx. 0.13 kg
Dimensions
(mm (in.))
No.
Name
Function
Remark
[1]
Lock button
When dismounting the module from a base unit, press
this button and lift up the module.
The module can be fixed firmly by a screw (M4, 10 mm
(0.39 in.)).
[2]
State display LED
This LED displays the status of module.
[3]
Reset switch
Resets when the module is abnormal.
[4]
Connector
RS-232C Port
Used to connect the RS-232C I/F.
Selection with
Communication
Setting Switch
for Port 1
RS-422/485 Port *
Used to connect the RS-422 I/F or RS-485 I/F.
[5]
Connector
RS-232C Port
Used to connect the RS-232C I/F.
Selection with
Communication
Setting Switch
[6]
for Port2
RS-422/485 Port
Used to connect the RS-422 I/F or RS-485 I/F.
[7]
Communication setting switch
The communication specification is configured by this
switch.
Please set according to connected devices after the power
off and dismounting from a base unit.
* Communication interface of Port 1 is selectable in hardware Rev. 10 or newer. The hardware before Rev. 10 supports
RS-232C only.
[1] Lock button
[2] State display LED
[3] Reset switch
[4] Connector for Port1
(RS-232C or RS-422/485)
[5] Connector for Port2
(RS-232C)
[6] Connector for Port2
(RS-422/485)
[7] Communication setting switch
Selectable
30 (1.18)
100 (3.94)
95 (3.74)