H7ER

H7ER

2

Supply voltage

H7ER-SBV: 5 to 24 VDC

± 10%, Ripple (p-p): 5% max.

DC voltage and No-voltage input types: Not required (powered by built-in battery)

Input

DC voltage input: 4.5 to 30 VDC at "High" (logic) level

0 to 2 VDC at "Low" (logic) level

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.

Maximum counting

1 kcps (gate time: 1 second)

speed

10 kcps (gate time: 1 second)

Reset time

Automatic (no external or manual reset)

s RATINGS

Specifications

Insulation resistance

100 M

Ω min. at 500 VDC

Dielectric strength

1,000 VAC 50/60 Hz for 1 minute between current-carrying terminals

and exposed non-current-carrying metal parts

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

Operating: 35 to 85% RH

Battery life

7 years min. of continuous operation

Weight

H7ER-SBV: approx. 80 g (2.82 oz)

DC voltage & No-voltage input types: approx. 60 g (2.12 oz)

(including mounting bracket)

s CHARACTERISTICS

Timing Chart

Count input

Multiply/divide

factor

Inside gate

Number

indicator

Inside count

value

Approved by the following standards

UL

CSA

CE (EMC)