H7E-P
H7E-P
2
Supply voltage
3 VDC
Operating voltage range
90 to 110% of supply voltage
Current consumption
Models H7EC-
❑
P and H7ER-P: 20
µ
A max. (at 3 VDC, 25
°
C/77
°
F)
Model H7ET-
❑❑
P: 15
µ
A max. (at 3 VDC, 25
°
C/77
°
F)
Input*
DC Voltage input:
4.5 to 30 VDC at "High" (logic) level
0 to 2 VDC at "Low" (logic) level
(input impedance: approx. 4.7 k
Ω
)
No-voltage input:
Maximum short-circuit impedance: 10 k
Ω
max.
Short-circuit residual voltage: 0.5 V max.
Minimum open impedance: 500 k
Ω
min.
Max. counting speed**
H7EC-P (1 kcps): Minimum signal width 0.5 ms
H7EC-LP (30 cps): Minimum signal width 16.7 ms
H7ER-P, -VP (1 kcps): Minimum signal width 0.5 ms
H7ER-V2P (10 kcps): Minimum signal width 0.05 ms
Reset time
External reset types: 20 ms
Power-OFF type reset time: 100 ms (with 0 V residual voltage at power OFF)
Gate time (H7ER only)
1 second
■
RATINGS
Specifications
* The maximum voltages allowed on the input, count or gate terminals are as follows:
No-voltage models: 3 VDC
DC voltage models: 30 VDC
** ON/OFF ratio 1:1
Noise immunity
±
200 V between input terminals with square-wave noise applied by noise simulator
Vibration
Mechanical durability: 10 to 55 Hz; 0.75 mm (0.03 in) double amplitude
Malfunction durability: 10 to 55 Hz; 0.3 mm (0.02 in) double amplitude
Shock
Mechanical durability: Approx. 30 G
Malfunction durability: Approx. 10 G
Ambient temperature
Operating: -10
°
to 55
°
C (14
°
to 131
°
F)
Storage: -25
°
to 65
°
C (-13
°
to 149
°
F)
Humidity
35 to 85% RH
Weight
Approx. 20 g (1.25 oz)
Approved by the following standards
UL
CSA
CE (EMC)
■
CHARACTERISTICS
