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K3HB-RNB-AC21 AC/DC24

Rotary Pulse Indicator

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Rotary Pulse Meter, NPN/voltage pulse input models, Relay contact (HH, H, L, LL), Event input 5 inputs, NPN open collector, 24 VAC/VDC, External power supply 12 VDC ±10% 80 mA

Power supply voltage 24 VDC
24 VAC 50/60 Hz
Input type Pulse (NPN/voltage pulse input)
Digits 5 digit (-19999 to 99999)
Number of event input 5 point

Item list of K3HB-R

  • Ratings/Specifications
Power supply voltage24 VDC
24 VAC 50/60 Hz
Allowable power supply voltage range85 to 110% of the power supply voltage
Power consumption7 W max. (at maximum load)/11 VA max. (at maximum load)
External power supply12 VDC ±10% 80 mA
Input typePulse (NPN/voltage pulse input)
Output typeJudgment output: Contact
Comparative output: HH, H, L, LL
Pulse measurement inputFunctionF1: Rpm/circumferenitial speed/Instantaneous flowrate
F2: Absolute raito
F3: Error raito
F4: Accuracy
F5: Flow rate ratio
F6: Passing time
Contact input (dry contact input)30 Hz max. ON/OFF pulse width of 15 ms min.
No contact voltage pulse50 kHz max. ON/OFF pulse width of 9 µs min.
Voltage levelON voltage: 4.5 to 30 V, OFF voltage: -30 to 2 V, input impedance: 10 kΩ
Open collector50 kHz max. ON/OFF pulse width of 9 µs min.
Measurement rangeF1 to F6: 0.5 mHz to 50 kHz
(for voltage pulse/open collector sensors)
AccuracyF1, F6: ±0.006% rdg ±1 digit
F2 to F5: ±0.02% rdg ±1 digit
(23±5 ℃, for voltage pulse/open collector sensors)
Event inputNumber of input5 point
Input methodNO-Voltage contact/NPN open collector
Event nameStartup compensation timer input
Hold input
Reset input
Connection methodTerminal blocks
ContactON: 1 kΩ max.
OFF: 100 kΩ min.
No-contactON residual voltage: 2 V max.
OFF leakage current: 4 mA max.
Maximum applied voltage: 30 V max.DC
Leakage current: 0.1 mA max.
Judgment outputContact outputHH, H, L, LL (SPST-NO)
Rated load: Resistive load: 250 VAC 5 A (cosφ=1)/30 VDC 5 A (L/R=0 ms), Inductive load: 250 VAC 1 A (Close cosφ=0.4)/30 VDC 1 A (L/R=7 ms)
Life expectancy: 100,000 operations (Electrical)/5,000,000 operations (Mechanical)
DisplayDisplay methodNegative LCD (backlit LED) 7-segment digital display
Digits5 digit (-19999 to 99999)
Character heightPV: 14.2 mm (green/red)
SV: 4.9 mm (green)
Insulation resistance20 MΩ min. (at 500 VDC)
Dielectric strengthBetween the entire external terminal and case: 2,300 VAC 1 min
Noise immunity±1,500 V at power supply terminals in normal or common mode (waveform with 1-ns rising edge and pulse width of 1 µs/100 ns)
Vibration resistanceMalfunction: 10 to 55 Hz, Acceleration: 50 m/s2, 5 min 10 sweeps each in X, Y, and Z directions
Shock resistanceMalfunction: 100 m/s2, 3 times each in 3 axes 6 directions
Degree of protectionFront: NEMA4X for indoor use (equivalent to IP66)
Case rear: IP20
Terminals: IP00 + finger protection (VDE0106/100)
Memory protectionEE-PROM (non-volatile memory) Number of rewrites: 100,000
Ambient temperatureOperating: -10 to 55 ℃ (with no freezing or condensation)
Storage: -25 to 65 ℃ (with no freezing or condensation)
Ambient humidityOperating: 25 to 85 %
AccessoriesWaterproof packing, Fixtures, Terminal Cover, Unit label, Instruction manual
WeightApprox. 300 g
  • Dimensions

  • Connection diagram

Terminal arrangement

  • Internal connection

Series

Rotary Pulse Indicator

K3HB-R