Hitachi MICRO-EHV+ - 2.18 Expansion unit

Chapter 2 Specifications
2 – 25
2.18 Expansion unit
2.18.1 Name and function of each part
Name and function of each part
Type
EH-A64EDR, EH-D64EDR, EH-D64EDT, EH-D64EDTPS
EH-A28EDR, EH-D28EDR, EH-D28EDT, EH-D28EDTP, EH-D28EDTPS
EH-D16ED, EH-D16ER, EH-D16ET, EH-D16ETPS
EH-A14EDR, EH-D14EDR, EH-D14EDT, EH-D14EDTP, EH-D14EDTPS
EH-D8ED, EH-D8ER, EH-D8ET, EH-D8ETPS, EH-D8EDR, EH-D8EDT,
EH-D8EDTPS
EH-A6EAN, EH-D6EAN
EH-A6ERTD, EH-D6ERTD, EH-A4ERTD, EH-D4ERTD
EH-D6ETC, EH-D4ETC
Weight
Refer to the page 2-5.
(1) POW LED
(2) OK LED
(3) Expansion connector cover
(left side)
(9) Terminal block cover
(10) Mounting
hole
(4) Input terminals
(7) Expansion connector cover
(right side)
(8) Dummy cover
(5) Output terminals
(11) DIN rail installation clip
(6) Power terminal
No.
Item
Description
(1)
POW LED
indicates that the power is supplied.
(2)
OK LED
represents the result of the self-diagnosis in the basic unit.
Normal: ON, Abnormal: blink or OFF
(3)
Expansion cover
(Left side)
The cover for the expansion connector.
Used when connecting to the expansion cable from the front unit.
(4)
Input terminals
The terminal block to connect input signals. The terminal screw size is M3.
The terminal block supports 0.32 to 2.1 mm
2
(AWG22 to 14). If 2 crimping terminals are connected
to one terminal screw, use 0.32 to 1.3 mm
2
(AWG22 to 16) cable.
(5)
Output terminals
The terminal block to connect output signals. The wiring Specification is the same as the input
terminal.
(6)
Power terminal
The terminal for connecting the power supply. The wiring Specification is the same as the input
terminal.
(7)
Expansion cover
(Right side)
The cover for the expansion connector.
Used when connecting to the next unit.
(8)
Dummy cover
The cover as a dummy.
(9)
Terminal block cover
The cover for the terminal block.
(10)
Mounting hole
Use these holes when installing with screws. (M4×200 mm (0.79 in.))
(11)
DIN rail installation clip
This is used when mounting to a DIN rail.
6 (0.24)
6 (0.24)
Unit: mm (in.)
Handle very carefully
since cable could be detached
when screw is loose.
(Recommended)