Hitachi EHV+ Series User Manual

Chapter 2 Specifications
2 – 56
(8) EH-AY4I
Specification
EH-AY4I
Current range
4 to 20mA
Number of channels 4
Resolution
12 bits
Conversion time
5ms maximum
Overall accuracy
±1% maximum of full-scale
External load resistance
350Ω maximum
Channel and Internal circuit Photo-coupler insulation
Insulation system
Between channels No insulation
External connection
Removable type screw terminal block (M3)
External power supply
24V DC (+20%, -15%) Approx. 150mA (Approx. 500mA at power ON)
External wiring
2-core shield cable (20m (65.62ft.) maximum)
Internal current consumption
130mA maximum
Terminal configuration No. Signal
name
Diagram of Internal circuit
[1]
I0 +
[2]
I1 +
[3]
I2 +
[4]
I3 +
[5]
N.C.
[6]
N.C.
[7]
N.C.
[8]
N.C.
[9]
24 VDC +
[10]
I0 -
[11]
I1 -
[12]
I2 -
[13]
I3 -
[14]
N.C.
[15]
N.C.
[16]
N.C.
[17]
N.C.
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
[11]
[12]
[13]
[14]
[15]
[16]
[17]
[18]
Screw fo
r
fixing
[18]
24 VDC -
Internal circui
t
24VDC+
24VDC
-
I0 +
I0
-
I1 +
I1
-
I2 +
I2
-
I3 +
I3
-
Relation between analog and digital data
H0FFFH07FFH0000
4
Out
p
ut current
(
mA
)
12
20

Hitachi EHV+ Series Specifications

General

Brand	Hitachi
Model	EHV+ Series
Category	Controller
Language	English