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Omron H7BX-A DIN 72×72 mm Multifunction Counter with a Bright,Easy-to-view, Negative Transmissive LCD.

  • H7BX-A



• Highly visible display with backlit transmissive LCD.

• Selectable display color (red/green) enables checking output status at a distance.

• Easy operation with a key for each digit.

• Perform all basic settings with a DIP switch.

• Provides a total and preset counter, batch counter, dual counter, twin counter, and tachometer (See note.).

• Equipped with a Replacement Time Notification Function to be notified in advance by predicting the service life.

• Equipped with a Memory Backup and H7AN Compatibility Function to facilitate problem-free conversion from H7AN.

• Wide range of inputs accepted for NPN/PNP inputs (multi-inputs) and 2- wire DC sensors.

• Complies with UL, CSA, and CE marking.

• Degree of protection: IP54 equivalent (front section only).

Note: The functions that can be selected depend on the model.

Function1 Stage Preset Counter, Total Preset Counter
Preset stages1 step
Rated supply voltage100 to 240 VAC 50/60 Hz
Operating voltage range85 to 110% of rated power supply voltage
Power consumptionat 100 to 240 VAC: 9.6 VA max.
External power supply12 VDC (±10%) 100 mA
CounterCount range-99999 to 999999
Max. counting speed30 Hz/5 kHz (switching)
(ON/OFF ratio 1:1)
Minimum input signal width30 Hz: 16.7 ms
5 kHz: 0.1 ms
Input modeIncrement (UP), decrement (DOWN), increment/decrement (UP/DOWN A (command input), UP/DOWN B (individual inputs), or UP/DOWN C (quadrature inputs)), UP/DOWN D (command input), UP/DOWN E (individual inputs), UP/DOWN E (quadrature inputs))
Output modesN, F, C, R, K-1, P, Q, A, K-2, D, L
One-shot output time0.01 to 99.99 s
Reset systemExternal (Minimum input signal width: 1 ms/20 ms selectable, manual and automatic reset (internal according to C, R, P and Q mode operation)
InputInput signalCP1, CP2, Reset 1, Reset 2, Key protect
Input methodNo-voltage (NPN)/Voltage input (PNP) selectable
No-voltage input (No-contact input)Short-circuit (ON) impedance: 1 kΩ max. (Leakage current (0 Ω): Approx. 12 mA)
Residual voltage: 3 V max.
Open circuit impedance: 100 kΩ min.
No-voltage input (Contact input)Use a contact which can adequately switch 5 mA at 10 V.
Voltage inputHight level: 4.5 to 30 VDC
Low level: 0 to 2 VDC (Input resistance Approx. 4.7 kΩ)
Control outputContact outputSPST-NO
3 A at 250 VAC/30 VDC, resistive load (cos phi=1)
Minimum applicable load: 10 mA at 5 VDC (failure level:P reference value)
Solid-state outputNPN
30 VDC max., 100 mA max.
Residual voltage 1.5 V max.DCCapacity value: Approx. 1 V
Leakage current 0.1 mA max.
DisplayDisplay method7-segment backlit negative transmissive LCD
Digits6 digit
Character heightCount value: 13.5 mm (Red or green programmable)
Set value: 9 mm (green)
Prescaling function0.001 to 99.999
Decimal point adjustmentRightmost 3 digits
Key protectionKey protect input
Memory backup methodsMethod: Non-volatile memory, Number of rewite: 100,000 operations min., Store data: 10 years min.
Ambient temperature (Operating)-10 to 55 ℃ (with no icing)
Ambient temperature (Storage)-25 to 65 ℃ (with no icing)
Ambient humidity (Operating)25 to 85 % (with no condensation)
Insulation resistanceBetween current carrying terminals and exposed non-current carrying metal parts: 100 MΩ min. (at 500 VDC)
Between non-continuous contacts: 100 MΩ min. (at 500 VDC)
Dielectric withstand voltageBetween current carrying metal parts and non-current carrying metal parts: 2000 VAC 50/60 Hz 1 min
Between operating power circuit and input circuit: 2000 VAC 50/60 Hz 1 min
Between control output, and power supply/input circuit: 2000 VAC 50/60 Hz 1 min
Between non-continuous contacts: 1000 VAC 50/60 Hz 1 min
Impulse withstand voltageBetween power terminals: 6 kV
Between current carrying terminals and exposed non-current carrying metal parts: 6 kV
Noise immunityBetween power terminals: ±1.5 kV
Between input terminals: ±600 V
square-wave noise by noise simulator (pulse width: 100 ns/1 µs, 1-ns rise)
Static immunityMulfunction: 8 kV, Destruction: 15 kV
Vibration resistanceDestruction: 10 to 55 Hz, 0.75 mm single amplitude each in 3 directions for 2 h
Malfunction: 10 to 55 Hz, 0.5 mm single amplitude each in 3 directions for 10 min
Shock resistanceDestruction: 294 m/s2, 3 times each in 3 axes 6 directions
Malfunction: 98 m/s2, 3 times each in 3 axes 6 directions
Life expectancyMechanical life 10 million operations min.
Electrical life 100,000 operations min. (3 A at 250 VAC resistive load)
Degree of protectionCase front: IP54
External connection methodScrew terminal
Case colorBlack (Munsell N1.5)
AccessoriesMounting Bracket, Terminal Cover
WeightApprox. 250 g

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