Input Specifications - Hitachi MICRO-EHV+ Applications Manual

2.6

Input specifications

Item
Input voltage
Allowable input voltage range
Input impedance
Input current
ON
Operating
voltage
OFF
OFF → ON
Input lag
ON → OFF
Number of inputs
Common
Polarity
Insulation system
Input display
External
■ High-speed counter specifications
Item
Input
ON
Input voltage
OFF
Count pulse width
Highest counting frequency
Count Register
On / Off-preset
Refer to page 4-5 for wiring to a rotary encoder.
■ Interrupt input specifications
Item
Input
ON
Input voltage
OFF
Specification
bit 0, 2, 4, 6, 8
24V DC
0 to 30V DC
Approx. 2.7 kΩ
8 mA typical
18 VDC / 4.5mA
(min) (max)
5 VDC / 1.8mA
(max) (max)
0.5 to 20 ms (configurable)
0.5 to 20 ms (configurable)
64-point type: 40
40-point type: 24
20-point type: 12
40/64-point type: 2
20-point type: 1
None
Photocoupler insulation
LED indication
Removable type screw terminal block (M3)
100 kHz each channels
Others
Approx. 4.7 kΩ
4.8 mA typical
18 VDC / 3.3mA
(min) (max)
5 VDC / 1.6mA
(max) (max)
Single phase
Bit 0, 2, 4, 6, 8
18 V
10 μs
32-bit
Available
Specification
1, 3, 5, 7, 9
18 V
2 – 7
Chapter 2
Internal circuit diagram
0
1
C
2-phase
Bit 0 and 2, Bit 4 and 6
5 V
17 μs
60 kHz each channels
5 V
Specifications