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Weighing Indicator
An Ideal Indicator for OK/NG Judgements in Automated and Picking Machines, Measuring Factors such as Pressure, Load, Torque, and Weight Using Load Cell Signal Input.
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Ratings
| Power supply voltage | 100 to 240 VAC (50/60 Hz), 24 VAC/VDC, DeviceNet power supply: 24 VDC | |
| Allowable power supply voltage range | 85% to 110% of the rated power supply voltage, DeviceNet power supply: 11 to 25 VDC | |
| Power consumption (See note 1.) | 100 to 240 V: 18 VA max. (max. load) 24 VAC/DC: 11 VA/7 W max. (max. load) | |
| Current consumption | DeviceNet power supply: 50 mA max. (24 VDC) | |
| Input | DC voltage | |
| A/D conversion method | Delta-Sigma method | |
| External power supply | 10 VDC ±5%, 100 mA (models with external power supply only) or 5 VDC, 100 mA (models with external power supply only) | |
| Event inputs (See note 2.) | Timing input | NPN open collector or no-voltage contact signal ON residual voltage: 3 V max. ON current at 0 Ω : 17 mA max. Max. applied voltage: 30 VDC max. OFF leakage current: 1.5 mA max. |
| Startup compensation timer input | NPN open collector or no-voltage contact signal ON residual voltage: 2 V max. ON current at 0 Ω : 4 mA max. Max. applied voltage: 30 VDC max. OFF leakage current: 0.1 mA max. | |
| Hold input | ||
| Reset input | ||
| Forced-zero input | ||
| Bank input | ||
| Output ratings (depends on the model) | Relay output | 250 VAC, 30 VDC, 5 A (resistive load) Mechanical life expectancy: 5,000,000 operations, Electrical life expectancy: 100,000 operations |
| Transistor output | Maximum load voltage: 24 VDC, Maximum load current: 50 mA, Leakage current: 100 μA max. | |
| Linear output | Linear output 0 to 20 mA DC, 4 to 20 mA DC: Load: 500Ω max, Resolution: Approx. 10,000, Output error: ±0.5% FS Linear output 0 to 5 VDC, 1 to 5 VDC, 0 to 10 VDC: Load: 5 kΩ max, Resolution: Approx. 10,000, Output error: ±0.5% FS (1 V or less: ±0.15 V; no output for 0 V or less) | |
| Display method | Negative LCD (backlit LED) display 7-segment digital display (Character height: PV: 14.2 mm (green/red); SV: 4.9 mm (green) | |
| Main functions | Scaling function, measurement operation selection, averaging, previous average value comparison, forced-zero, zero-limit, output hysteresis, output OFF delay, output test, teaching, display value selection, display color selection, key protection, bank selection, display refresh period, maximum/minimum hold, reset | |
| Ambient operating temperature | -10 to 55 ° C (with no icing or condensation) | |
| Ambient operating humidity | 25% to 85% | |
| Storage temperature | -25 to 65 ° C (with no icing or condensation) | |
| Altitude | 2,000 m max. | |
| Accessories | Watertight packing, 2 fixtures, terminal cover, unit stickers, operation manual. DeviceNet models also include a DeviceNet connector (Hirose HR31-5.08P-5SC(01)) and crimp terminals (Hirose HR31-SC-121) (See note 3.) | |
Note:
1. DC power supply models require a control power supply capacity of approximately 1 A per Unit when power is turned ON. Particular attention is required when using two or more DC power supply models. The OMRON S8VS-series DC Power Supply Unit is recommended.
2. PNP input types are also available.
3. For K3HB-series DeviceNet models, use only the DeviceNet Connector included with the product. The crimp terminals provided are for Thin Cables.
Characteristics
| Display range | -19,999 to 99,999 | |
| Sampling period | 20 ms (50 times/second) | |
| Comparative output response time | 100 ms max. | |
| Linear output response time | 150 ms max. | |
| Insulation resistance | 20 MΩ min. (at 500 VDC) | |
| Dielectric strength | 2,300 VAC for 1 min between external terminals and case | |
| Noise immunity | 100 to 240 VAC models: ± 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) 24 VAC/VDC models: ±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 resistance | Frequency: 10 to 55 Hz; Acceleration: 50 m/s2, 10 sweeps of 5 min each in X, Y, and Z directions | |
| Shock resistance | 150 m/s2 (100 m/s2 for relay outputs) 3 times each in 3 axes, 6 directions | |
| Weight | Approx. 300 g (Base Unit only) | |
| Degree of protection | Front panel | Conforms to NEMA 4X for indoor use (equivalent to IP66) |
| Rear case | IP20 | |
| Terminals | IP00 + finger protection (VDE0106/100) | |
| Memory protection | EEPROM (non-volatile memory) Number of rewrites: 100,000 | |
| Applicable standards | UL61010C-1, CSA C22.2 No. 1010.1 (evaluated by UL) EN61010-1 (IEC61010-1): Pollution degree 2/Overvoltage category II EN61326: 1997, A1: 1998, A2: 2001 | |
| EMC | EMI: EN61326 industrial applications Electromagnetic radiation interference CISPR 11 Group 1, Class A Terminal interference voltage CISPR 11 Group 1, Class A EMS: EN61326 industrial applications Electrostatic Discharge Immunity EN61000-4-2: 4 kV (contact), 8 kV (in air) Radiated Electromagnetic Field Immunity EN61000-4-3: 10 V/m 1 kHz sine wave amplitude modulation (80 MHz to 1 GHz, 1.4 to 2 GHz) Electrical Fast Transient/Burst Immunity EN61000-4-4: 2 kV (power line), 1 kV (I/O signal line) Surge Immunity EN61000-4-5: 1 kV with line (power line), 2 kV with ground (power line) Conducted Disturbance Immunity EN61000-4-6: 3 V (0.15 to 80 MHz) Power Frequency Magnetic Immunity EN61000-4-8: 30 A/m (50 Hz) continuous time Voltage Dips and Interruptions Immunity EN61000-4-11: 0.5 cycle, 0 ° /180 °, 100% (rated voltage) | |
Input Ranges (Measurement Range and Accuracy)
| Input type | Range | Set value | Measurement range | Input impedance | Accuracy | Allowable instantaneous overload (30 s) |
| K3HB-VLC Load Cell, mV | A | ![]() | 0.00 to 199.99 mV | 1 MΩ min. | ±0.1% rdg ±1 digit max. | ±200 V |
| B | ![]() | 0.000 to 19.999 mV | ±0.1% rdg ±5 digits max. | |||
| C | ![]() | ±100.00 mV | ±0.1% rdg ±3 digits max. | |||
| D | ![]() | ±199.99 mV | ±0.1% rdg ±1 digit max. |
Note:
1. The accuracy is for an ambient temperature of 23±5° C. For all ranges,10% or less of max. input ±0.1% FS.
2. The letters "rdg" mean "reading."
The area shown in dark shading indicates the factory setting.
Event Input Ratings
| Input type | S-TMR, HOLD, RESET, ZERO, BANK1, BANK2, BANK4 | TIMING |
| Contact | ON: 1 kΩ max., OFF: 100 kΩ min. | --- |
| No-contact | ON residual voltage: 2 V max. OFF leakage current: 0.1 mA max. Load current: 4 mA max. Maximum applied voltage: 30 VDC max. | ON residual voltage: 3 V max. OFF leakage current: 1.5 mA max. Load current: 17 mA max. Maximum applied voltage: 30 VDC max. |
Output Ratings
Contact Output
| Item | Resistive loads (250 VAC, cos Φ =1; 30 VDC, L/R=0 ms) | Inductive loads (250 VAC, closed circuit, cos Φ =0.4; 30 VDC, L/R=7 ms) |
| Rated load | 5 A at 250 VAC 5 A at 30 VDC | 1 A at 250 VAC 1 A at 30 VDC |
| Rated through current | 5A | |
| Mechanical life expectancy | 5,000,000 operations | |
| Electrical life expectancy | 100,000 operations | |
Transistor Output
| Maximum load voltage | 24 VDC |
| Maximum load current | 50 mA |
| Leakage current | 100 μA max. |
Linear Output
| Item | 0 to 20 mA | 4 to 20 mA | 0 to 5 V | 1 to 5 V | 0 to 10 V |
| Allowable load impedance | 500 Ω max. | 5 kΩ min. | |||
| Resolution | Approx. 10,000 | ||||
| Output error | ± 0.5%FS | ± 0.5%FS (1 V or less: no output for ± 0.15 V; 0 V or less) | |||
Serial Communications Output
| Item | RS-232C, RS-485 |
| Communications method | Half duplex |
| Synchronization method | Start-stop synchronization |
| Baud rate | 9,600, 19,200, or 38,400 bps |
| Transmission code | ASCII |
| Data length | 7 bits or 8 bits |
| Stop bit length | 2 bits or 1 bit |
| Error detection | Vertical parity and FCS |
| Parity check | Odd, even |
BCD Output I/O Ratings
(Input Signal Logic: Negative)
| I/O signal name | Item | Rating | |||
| Inputs | REQUEST HOLD MAX MIN RESET | Input signal | No-voltage contact input | ||
| Input current for no-voltage input | 10 mA | ||||
| Signal level | ON voltage | 1.5 V max. | |||
| OFF voltage | 3 V min. | ||||
| Outputs | DATA POLARITY OVER DATA VALID RUN | Maximum load voltage | 24 VDC | ||
| Maximum load current | 10 mA | ||||
| Leakage current | 100 μA max. | ||||
| HH H PASS L LL | Maximum load voltage | 24 VDC | |||
| Maximum load current | 50 mA | ||||
| Leakage current | 100 μA max. | ||||
DeviceNet Communications
| Communications protocol | Conforms to DeviceNet | ||||||
| Supported communications | Remote I/O communications | Master-Slave connection (polling, bit-strobe, COS, cyclic) Conforms to DeviceNet communications standards. | |||||
| I/O allocations | Allocate any I/O data using the Configurator. Allocate any data, such 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 communications | Explicit message communications CompoWay/F communications commands can be executed (using explicit message communications) | ||||||
| Connection methods | Combination of multi-drop and T-branch connections (for trunk and drop lines) | ||||||
| Baud rate | DeviceNet: 500, 250, or 125 Kbps (automatic follow-up) | ||||||
| Communications media | Special 5-wire cable (2 signal lines, 2 power supply lines, 1 shield line) | ||||||
| Communications distance | |||||||
| Baud rate | Network length (max.) | Drop line length (max.) | Total drop line length (max.) | ||||
| 500 Kbps | 100 m (100 m) | 6 m | 39 m | ||||
| 250 Kbps | 100 m (250 m) | 6 m | 78 m | ||||
| 125 Kbps | 100 m (500 m) | 6 m | 156 m | ||||
| The values in parentheses are for Thick Cable. | |||||||
| Communications power supply | 24-VDC DeviceNet power supply | ||||||
| Allowable voltage fluctuation range | 11 to 25-VDC DeviceNet power supply | ||||||
| Current consumption | 50 mA max. (24 VDC) | ||||||
| Maximum number of nodes | 64 (DeviceNet Configurator is counted as one node when connected) | ||||||
| Maximum number of slaves | 63 | ||||||
| Error control checks | CRC errors | ||||||
| DeviceNet power supply | Supplied from DeviceNet communications connector | ||||||
Caution: In the interenst of product improvement, specifications are subject to change without notice.