Chapter 2 Specifications
2 – 51
(3) EH-AX8H
Specification
EH-AX8H
Voltage range
-10 to +10V DC
Number of channels
8
Resolution
12 bits
Conversion time
5ms maximum
Overall accuracy
±
1% maximum of full-scale
Input impedance
Approx. 100k
Ω
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. 400mA at power ON)
External wiring
2-core shield cable (20m (65.62ft.) maximum)
Internal current consumption
100mA maximum
Terminal configuration
No.
Signal
name
Diagram of Internal circuit
[1]
V0 +
[2]
V1 +
[3]
V2 +
[4]
V3 +
[5]
V4 +
[6]
V5 +
[7]
V6 +
[8]
V7 +
[9]
24 VDC +
[10]
V0
-
[11]
V1
-
[12]
V2
-
[13]
V3
-
[14]
V4
-
[15]
V5
-
[16]
V6
-
[17]
V7
-
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
[11]
[12]
[13]
[14]
[15]
[16]
[17]
[18]
Screw for
fixing
[18]
24 VDC
-
In
tern
al circu
it
24VDC+
24VDC
-
V0 +
V0
-
V7 +
V7
-
Relation between analog and digital data
-
10
H07FF
H0800
0 +10
Input voltage
V
(2’s complement)
