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| Supply voltage |
Input type | Output type | Model | |
|---|---|---|---|---|
| Judgement output | Data transmission output | |||
| 24 VDC | DC voltage, DC current, or NPN input |
2 relay contact outputs (SPST-NO) |
None | K3GN-NDC 24 VDC |
| RS-485 | K3GN-NDC-FLK 24 VDC | |||
| DC current (0 to 20 mA, 4 to 20 mA) |
K3GN-NDC-L1 24 VDC | |||
| DC voltage (0 to 5 V, 1 to 5 V, 0 to 10 V) |
K3GN-NDC-L2 24 VDC | |||
| 2 relay contact outputs (SPST-NO) Normally energized relays * |
None | K3GN-NDC-400 24 VDC | ||
| RS-485 | K3GN-NDC-FLK-400 24 VDC | |||
| DC current (0 to 20 mA, 4 to 20 mA) |
K3GN-NDC-L1-400 24 VDC | |||
| DC voltage (0 to 5 V, 1 to 5 V, 0 to 10 V) |
K3GN-NDC-L2-400 24 VDC | |||
| 3 transistor outputs (NPN open collector) |
None | K3GN-NDT1 24 VDC | ||
| RS-485 | K3GN-NDT1-FLK 24 VDC | |||
| DC current (0 to 20 mA, 4 to 20 mA) |
K3GN-NDT1-L1 24 VDC | |||
| DC voltage (0 to 5 V, 1 to 5 V, 0 to 10 V) |
K3GN-NDT1-L2 24 VDC | |||
| DC voltage, DC current, or PNP input |
2 relay contact outputs (SPST-NO) |
None | K3GN-PDC 24 VDC | |
| RS-485 | K3GN-PDC-FLK 24 VDC | |||
| 3 transistor outputs (PNP open collector) |
None | K3GN-PDT2 24 VDC | ||
| RS-485 | K3GN-PDT2-FLK 24 VDC |
* Refer to Data Sheet for information on models with normally energized relays.
| Item | K3GN-ND With DC voltage, DC current, and NPN input |
K3GN-PD With DC voltage, DC current, and PNP input |
|---|---|---|
| Supply voltage | 24 VDC | |
| Operating voltage range | 85% to 110% of the rated supply voltage | |
| Power consumption (at max. load) *1 |
2.5 W max. (at max. DC load with all indicators lit) | |
| Input signal | DC voltage, DC current, no-voltage contact, open collector | |
| DC voltage/ current input |
A/D conversion | Double integral method |
| Pulse signal input |
Pulse measurement method |
Periodic measurement method |
| External power supply |
None | |
| Control input | Present value hold or forced zero (selectable) *2 | |
| Outputs (Outputs depend on the model.) |
Relay contact output | 1 A, 30 VDC (resistive load), mechanical life: 50,000,000 operations min., electrical life: 100,000 operations min. |
| Transistor output | Max. load voltage: 24 VDC, Max. load current: 50 mA, Leakage current: 100 μ A max. | |
| Communications output |
RS-485 (2-wire, half-duplex) | |
| Linear output | DC current (0 to 20 mA DC, 4 to 20 mA: Load: 500 Ω max., Resolution: Approx. 10,000) DC voltage (0 to 5 VDC, 1 to 5 VDC, 0 to 10 VDC: Load: 5k Ω min., Resolution: Approx. 10,000) |
— |
| Display | Negative LCD (backlit LCD) display 7-segment digital display, character height: 7.0 mm, and single illuminated display |
|
| Main functions | Scaling, prescaling, teaching, average processing, forced zero, display color selection, output type selection, key protection, startup compensation timer, hysteresis | |
| Ambient temperature | Operating: -10°C to 55°C (with no condensation or icing) Storage: -25°C to 65°C (with no condensation or icing) |
|
| Ambient humidity | Operating: 25% to 85% | |
| Altitude | 2,000 m max. | |
| Accessories | Rubber packing, fixture, operation manual |
*1. A control power supply capacity greater than the rated capacity is required when the Digital Panel Meter is turned ON.
Do not forget to take this into consideration when using several Digital Panel Meters. When power is supplied, all
indicators will light and outputs will be OFF. When using startup compensation time operation, the display will read
"00000" and all outputs will be OFF.
*2. Enabled only when using DC voltage/current input. (Min.time for control signal input: 80 ms)
Do not forget to take this into consideration when using several Digital Panel Meters. When power is supplied, all
indicators will light and outputs will be OFF. When using startup compensation time operation, the display will read
"00000" and all outputs will be OFF.
*2. Enabled only when using DC voltage/current input. (Min.time for control signal input: 80 ms)
Characteristics
| Item | K3GN-ND With DC voltage, DC current, and NPN input |
K3GN-PD With DC voltage, DC current, and PNP input |
|---|---|---|
| Input signal | DC voltage/current (4 to 20 mA, 1 to 5 V, ±5 V, ±10 V) No-voltage contact (30 Hz max. with ON/OFF pulse width of 16 ms min.) Open collector (5 kHz max. with ON/OFF pulse width of 90 μs min.) |
|
| Displayable range | 5 digits (-19999 to 99999) | |
| Sampling period | 250 ms | |
| Display refresh period | Sampling period: 250 ms (at 4 Hz min.), 250 × Number of averaging times (ms) (with average processing selected), Input pulse cycle (at less than 4 Hz): Input pulse cycle × Number of averaging times |
|
| Comparative output response time (transistor outputs) |
750 ms max. (transistor output) (The time required for the judgment output to be output if the input signal rapidly changes from 15% to 95% or from 95% to 15%.) | |
| Linear output response time |
750 ms max. (The time required for the analog output to be output if the output signal rapidly changes from 15% to 95% or from 95% to 15%.) | — |
| Insulation resistance | 20 MΩ min. (at 500 VDC) between external terminal and case. Insulation provided between inputs, outputs, and power supply. |
|
| Dielectric strength | 1,000 VAC for 1 min between external terminal and case. | |
| Noise immunity | ±480 V on power supply terminals in normal mode, ±1,500 V in common mode, ±1 μs, or 100 ns for square-wave noise with 1 ns | |
| Vibration resistance | Vibration frequency: 10 to 55 Hz, Acceleration: 50 m/s2 for 10 min each in X, Y, and Z directions | |
| Shock resistance | Models with transistor outputs: 150 m/s2 three times each in 3 axes, 6 directions Models with contact outputs: 100 m/s2 three times each in 3 axes, 6 directions |
|
| Weight | Approx. 100 g (Main Unit only) | |
| Degree of protection |
Front panel | NEMA4X for indoor use (equivalent to IP66), |
| Rear case | IP20 | |
| Terminals | IP00 and finger protection (VDE0106/100) | |
| Memory protection | Non-volatile memory (EEPROM) (possible to rewrite 100,000 times) | |
| Approved standards | UL508, CSA C22.2 No. 142 | |
| EMC | (EMI) EN 61326 Industry Emission Enclosure: EN55011 Group 1 class A (EMS) EN 61326 Industry Immunity ESD: EN 61000-4-2: 4 kV (contact discharge), 8 kV (air discharge) Immunity RF-interference: EN 61000-4-3: 10 V/m (amplitude-modulated, 80 MHz to 1 GHz) Immunity Fast Transient Noise: EN 61000-4-4: 2 kV (power line) Immunity Burst Noise: 1 kV line to line (I/O signal line) Immunity Surge: EN 61000-4-5: 2 kV line to ground (power line) Immunity Conducted Disturbance EN 61000-4-6: 3 V (0.15 to 80 MHz) Immunity Power Frequency Magnetic EN 61000-4-8: 30 A/m (50 Hz) continuous time |
Input Ranges: Measurement Range and Accuracy
Note: The shaded ranges indicate default settings.
Input/Output Ratings
Relay Contact Output (Incorporating G6K Relays)
| Item | Resistive load (cosΦ = 1) |
|---|---|
| Rated load | 1 A at 30 VDC |
| Rated through current | 1 A max. (at COM terminal) |
| Max. contact voltage | 60 VDC |
| Max. contact current | 1 A (at COM terminal) |
| Max. switching capacity | 30 VA |
| Min. permissible load (P level, reference value) |
10 mV, 10 μA |
| Mechanical life | 50,000,000 operations min. (at a switching frequency of 36,000 operations/hr) |
| Electrical life (at an ambient temperature of 23°C) |
100,000 operations min. (at the rated load with a switching frequency of 1,800 operations/hr) |
Transistor Output
| Rated load voltage | 24 VDC |
|---|---|
| Max. load current | 50 mA |
| Leakage current | 100 μA max. |
Communications Specifications
| Item | RS-485 | |
|---|---|---|
| Communications method | 2-wire, half-duplex | |
| Synchronization method | Start-stop synchronization | |
| Baud rate | 1,200/2,400/4,800/9,600/19,200 bps | |
| Transmission code | ASCII | |
| Communications | Reading/Writing to the K3GN | Read/write comparative set values, read/write scaling values, enable/disable the writing of data through communications, forced-zero control, and other data. |
Linear Output
| Item | 0 to 20 mA | 4 to 20 mA | 0 to 5 V | 1 to 5 V | 0 to 10 V |
|---|---|---|---|---|---|
| Permissible load impedance | 500 Ω max. | 5 kΩ min. | |||
| Resolution | Approx. 10,000 | ||||
| Output error | ±0.5% full scale | ±0.5 full scale. ±0.15 V at 1 V or less (no output for 0 or less) |
Caution: All units are in millimeters unless otherwise indicated.
K3GN
Mounting Recommended Panel Thickness 1 to 5 mm.
Mount the product horizontally.
- For installation, insert the K3GN panel into the rectangular hole, insert the adaptor from the rear, and push it in to reduce the gap between the panel surface and the adaptor.
Secure the Unit with the screws.
For water-proof installation, insert the rubber gasket onto the body of the K3GN. - If multiple mounted Units are used, make sure the ambient temperature for the K3GN does not exceed the specified temperature.
Resource & Download
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