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Temperature Indicator


24 VDC/24 VAC 50/60 Hz, 5 digit, Input: Temperature (Platinum resistance thermometer/Thermocouple), Event input: 5 point, Transfer output DeviceNet

Power supply voltage 24 VDC
24 VAC 50/60 Hz
Input type Temperature (Platinum resistance thermometer/Thermocouple)
Digits 5 digit (-19999 to 99999)
Number of event input 5 point

Item list of K3HB-H

  • 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)
Input typeTemperature (Platinum resistance thermometer/Thermocouple)
Output typeTransfer output: DeviceNet
Temperature measurement input (Accuracy)Platinum resistance thermometer: (±0.2% PV or ±0.8 ℃ whichever is larger) ±1 digit max.
Thermocouple: (±0.3% PV or ±1 ℃ whichever is larger) ±1 digit max.
Conditions: (23±5 ℃)
(The indication accuracy of K, T and N thermocouples at a temperature of -100 ℃ max. is ±2 ℃ ±1 digit max. U and L thermocouples is ±2 ℃ ±1 digit maximum. B thermocouple at a temperature of 400 ℃ max. is not specified. R and S thermocouples at a temperature of 200 ℃ max. is ±3 ℃ ±1 digit maximum. W thermocouples is (±0.3% PV or ±3 ℃, whichever is greater) ±1 digit maximum.)
Event inputNumber of input5 point
Input methodNO-Voltage contact/NPN open collector
Event nameTIMMING
Connection methodTerminal blocks
ContactON: 1 kΩ max.
OFF: 100 kΩ min.
No-contactON residual voltage: 2 V max. (TIMING input 3 V max.)
OFF leakage current: 4 mA max. (TIMING input 17 mA max.)
Maximum applied voltage: 30 VDC max.
Leakage current: 0.1 mA max. (TIMING input 1.5 mA max.)
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)
Sampling period50 times/second (20 ms)
Comparative output response timePlatinum resistance thermometer input ranges: 120 ms max.
Thermocouple input ranges: 180 ms max.
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: 150 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, DeviceNet connector (made from Hirose), Crimp terminals (made from Hirose)
WeightApprox. 300 g
Communications protocolConforms to DeviceNet
Remote IO communicationsMaster-Slave connection (Poll/Bit-Strobe/COS/Cyclic)
Conforms to DeviceNet communications standards.
IO allocationsAllocate any I/O data using the Configurator.
Allocate any datasuch as DeviceNet-specific parameters and variable area for Digital Indicators.
Input area: 2 blocks 60 words max.
Output area: 1 block 29 words max. (The first word in the area is always allocated for the Output Execution Enabled Flags.)
Message communicationsExplicit message communications
CompoWay/F communications commands can be executed (using explicit message communications)
Connection formaCombination of multi-drop and T-branch connectors (for trunk and drop line)
Communications mediaSpecial 5-wire cable (2 signal lines, 2 power supply lines, 1 shield line)
Current consumption50 mA max. (24 VDC)
Maximum number of nodes64 (DeviceNet Configurator is counted as one node when connected)
Maximum number of slaves63
power supplySupplied from DeviceNet communications connector
Power supply voltage24 VDC (11 to 25 VDC)
  • Dimensions

  • Connection diagram

Terminal arrangement

  • Internal connection


Temperature Indicator