H7CN

Solid-state Counter

H7CN

All Required Counter Functions Incorporated in a Compact DIN-sized (48 × 48) Housing

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last update: April 09, 2014

Ratings

Supply voltage	24, 100 to 240 VAC 50/60 Hz 12 to 48 VDC (contains 20% ripple max.) *1
Operating voltage range	85% to 110% of rated voltage
*Power consumption 2**	Approx. 12 VA/2.5 W (at 240 VAC, 50Hz) Approx. 2.5 W (at 48 VDC)
Count and reset input	Impedance by short-circuiting contacts: 1 kΩ max. Residual voltage: 2 V max. Impedance by opening contacts: 100 kΩ min.
Max. counting speeds of count input	30 cps (contact and transistor inputs) Minimum pulse width: 16.7 ms (ON/OFF ratio: 1:1) 5.000 cps (transistor inputs) Minimum pulse width: 0.1 ms (ON/OFF ratio: 1:1)
Reset system	Power-OFF reset Reset time: 0.5 s Reset time following power application 0.05 s External reset & manual reset Reset time: 0.02 s Reset time following signal application: 0.05 s
Control output	Contact (SPDT) output: 3 A, 250 VAC, cosϕ = 1 (resistive load) Transistor (open collector) output: 30 VDC MAX. 100 mA max.
Case color	Light gray (Munsell 5Y7/1)

*1. The memory backup function is not available for this DC supply voltage range.
*2. On power application, an inrush current of approximately 10 times the normal current flows through the Counter.

Characteristics

Item	Preset Counter	Totalizing Counter
Insulation resistance	100 MΩ min. (at 500 VDC) (between current- carrying terminal and exposed non-current- carrying metal parts, and between non- continuous contacts)	100 MΩ min. (at 500 VDC) (between current- carrying terminal and exposed non-current- carrying metal parts)
Dielectric strength	2,000 VAC, 50/60 Hz for 1 min (between current-carrying terminal and exposed non- current carrying metal parts and between non-continuous contacts)	2,000 VAC, 50/60 Hz for 1 min (between current-carrying terminal and exposed non- current carrying metal parts)
Impulse withstand voltage	6 kV (between power terminals) 6 kV (between current-carrying terminal and exposed non-current-carrying metal parts)
Noise immunity	±2 kV (between power terminals), ±500 V (between input terminals), square-wave noise by noise simulator
Static immunity	Malfunction: 8 kV
Vibration resistance	Destruction: 10 to 55 Hz, 0.75-mm single amplitude Malfunction: 10 to 55 Hz, 0.5-mm single amplitude
Shock resistance	Destruction: 300 m/s² (approx. 30G) Malfunction: 100 m/s² (approx. 10G)
Ambient temperature	Operating: -10°C to 55°C (with no icing) Storage: -25°C to 65°C (with no icing)
Ambient humidity	35% to 85%
Life expectancy	Mechanical: 10 million operations min. Electrical: 100,000 operations min. (3 A at 250 VAC, resistive load)	---
Approved standards	UL508, CSA C22.2 No.14
Weight	Approx. 110 g

last update: April 09, 2014

Product Category

Control Components
- Counters
  - General-purpose
    - H7CX-A
    - H7CX-R
    - H7CZ
    - H7BX
    - H8GN
    - H7AN
    - H7CN

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