Chapter 3 Function and Performance Specifications
3-7
3.3.2
Input Specifications
The input circuit consists of DC input and AC input, with the following specifications.
(1) DC input
Item
Specification
Circuit diagram
Input voltage
24 V DC
Allowable input voltage range
0 to 30 V DC
Input impedance
Approx. 2.8 k
Ω
Input current
7.5 mA typical
ON voltage
15 V DC (min) / 4.5 mA (max)
Operating
voltage
OFF voltage
5 V DC (max) / 1.5 mA (max)
Basic unit : 0.5 to 20 ms (configurable)
OFF
→
ON
Exp. unit : 0.5 ms or less
Basic unit : 0.5 to 20 ms (configurable)
Input lag
ON
→
OFF
Exp. unit : 0.5 ms or less
Number of input points
See Chapter 4
Number of common
See Chapter 4
Polarity
None
Insulation system
Photocoupler insulation
Input display
LED (green)
External connection
10-point type: fixed type terminal block
14-, 23-, 28-point types: Removable type
screw terminal block (M3)
*1:
Common terminals are separated each other.
(2) AC input
Item
Specification
Circuit diagram
Input voltage
100 to 120 V AC
Allowable input voltage range
85 to 132 V AC
50 -5 % to 60 +5 % Hz
Input impedance
Approx. 14.6 k
Ω
(60 Hz)
Approx. 17.6 k
Ω
(50 Hz)
Input current
Approx. 7 mA RMS (100 V AC/60 Hz)
ON voltage
80 V AC (min.) 4.5 mA
Operating
voltage
OFF voltage
30 V AC (max.) 2 mA
OFF
→
ON
25 ms (max.) *1
Input lag
ON
→
OFF
30 ms (max.) *1
Number of input points
See Chapter 4.
Number of common
See Chapter 4.
Polarity
None
Insulation system
Photocoupler insulation
Input display
LED (green)
External connection
14-, 28-point types: Removable type screw
terminal block (M3)
*1:
Delay by hardware only. Delay by digital filter (software filter) 0.5 to 20 ms is not included.
*2:
Common terminals are separated each other.
In
tern
al circu
it
0
1
C
In
tern
al circu
it
0
1
C
Summary of Contents for HIDIC MICRO-EH
Page 1: ...HITACHI PROGRAMMABLE CONTROLLER APPLICATION MANUAL NJI 350B X ...
Page 12: ...MEMO ...
Page 14: ...Chapter 1 Features 1 2 MEMO ...
Page 50: ...Chapter 4 Product lineup and wiring 4 18 MEMO ...
Page 196: ...Chapter 5 Instruction Specifications 5 146 ...
Page 263: ...Chapter 11 Communication Specifications 11 10 MEMO ...