Hitachi EHV+ Series User Manual

Chapter 2 Specifications
2 – 60
Specification
EH-AXH8M
Current range
0 to 22mA / 4 to 22mA
Voltage range
0 to 10V DC / -10 to +10V DC
Number of channels 8 (current or voltage is selected in 4-ch group.)
Current
0.002mA or 1/16384 (14 bits)
Resolution
Voltage
1mV or 1/16384 (14 bits)
Conversion time
8.9ms / 8 channels
Current
±0.8% maximum of full-scale
Overall accuracy
Voltage
±0.5% maximum of full-scale
Linear error
±0.1% maximum of full-scale
Enabled Approx. 90ms maximum (90% arriving time after the step input)
Input filter
Disabled Approx. 18ms maximum (90% arriving time after the step input)
Current
249 Ω
Input impedance
Voltage
Differential 200kΩ
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. 40mA (Approx. 300mA at power ON)
External wiring
2-core shield cable (20m (65.62ft.) maximum)
Internal current consumption
70mA maximum
Terminal configuration No. Signal
name
Diagram of Internal circuit
[1]
0 +
[2]
1 +
[3]
2 +
[4] 3 +
[5] 4 +
[6]
5 +
[7]
6 +
[8]
7 +
[9]
24VDC+
[10]
0 -
[11]
1 -
[12]
2 -
[13]
3 -
[14]
4 -
[15]
5 -
[16]
6 -
[17]
7 -
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
[11]
[12]
[13]
[14]
[15]
[16]
[17]
[18]
Screw fo
r
fixing
[18]
24VDC-
Internal
Power
circuit
24V DC +
24V DC -
Internal circuit
0 +
0 -
Vo l t a g e
⋅
Current
1 +
1 -
7 +
7 -
External
power supply
Vo lt a g e
⋅
Current
Vo lt a g e
⋅
Current

Hitachi EHV+ Series Specifications

General

Brand	Hitachi
Model	EHV+ Series
Category	Controller
Language	English