Omron H7E - Page 21

Self-powered Tachometer H7ER C-27
Counters
■ Characteristics
Note: Weight includes waterproof packing and flush mounting bracket.
■ Reference Value
Item H7ER-NV@-@
H7ER-NV@-@H
H7ER-N-@
Insulation resistance 100 MΩ min. (at 500 VDC) between current-carrying
metal parts and exposed non-current-carrying metal
parts, and between the backlight power supply and
count input terminals/reset terminals for backlight
models
100 MΩ min. (at 500 VDC) between current-carrying
metal parts and exposed non-current-carrying metal
parts
Dielectric strength 1,000 VAC, 50/60 Hz for 1 min between current-car-
rying metal parts and exposed non-current-carrying
metal parts and between the backlight power supply
and count input terminals/reset terminals for back-
light models
1,000 VAC, 50/60 Hz for 1 min between current-car-
rying metal parts and exposed non-current-carrying
metal parts
Impulse withstand voltage 4.5 kV between current-carrying terminal and exposed non-current-carrying metal parts
Noise immunity Square-wave noise generated by noise simulator (pulse width: 100 ns/1 µs, 1-ns rise)
±600 V (Between count input terminals)
±480 V (Between the backlight power supply termi-
nals for backlight models)
±500 V (Between count input terminals)
Static immunity ±8 kV (malfunction)
Vibration resistance Malfunction: 0.15-mm single amplitude at 10 to 55 Hz for 10 min each in 3 directions
Destruction: 0.375-mm single amplitude at 10 to 55 Hz for 2 hrs each in 3 directions
Shock resistance
Malfunction: 200 m/s
2
3 times each in 6 directions
Destruction: 300 m/s
2
3 times each in 6 directions
EMC (EMI) EN61326
Emission Enclosure: EN55011 Group 1 class B
(EMS) EN61326
Immunity ESD: EN61000-4-2: 4 kV contact discharge (level 2)
8 kV air discharge (level 3)
Immunity RF-interference from AM Radio Waves:
EN61000-4-3: 10 V/m (80 MHz to 1 GHz) (level 3)
Immunity RF-interference from Pulse-modulated Radio Waves:
EN61000-4-3: 10 V/m (900 MHz ± 5 MHz) (level 3)
Immunity Conducted Disturbance: EN61000-4-6: 10 V (0.15 to 80 MHz) (level 3)
Immunity Burst: EN61000-4-4: 2 kV power line (level 3)
2 kV I/O signal line (level 4)
Degree of protection Front panel: IP66, NEMA4 with waterproof packing
Terminal block: IP20
Weight (see note) No-backlight model:Approx. 60 g
Backlight model: Approx. 65 g
Item Value Note
Battery life 7 years min. with continuous input at 25°C
(lithium battery)
The battery life is calculated according to the conditions in the left column and
therefore is not a guaranteed value. Use these value as reference for mainte-
nance or replacement.