Chapter 2 Specifications
2 – 50
(2) EH-AX8V
Specification
EH-AX8V
Voltage range
0 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
H0FFF
H07FF
H0000
0
Input voltage
V
5
10
