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> AKW263100A
AKW263100A | KW2M Eco-Power Meter(Discontinued)
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*Photo may vary from actual product.
- Discontinued
September 29, 2023
| Product Number | AKW263100A |
| Part Number | AKW263100A |
| Product | KW2M Eco-Power Meter |
| Details | Main unit |
| Product name | KW2M Eco-Power Meter(Discontinued) |
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Spec Detail As of September 29, 2023
| Item | Specifications |
|---|---|
| Product Number | AKW263100A |
| Part Number | AKW263100A |
General specifications
| Item | Specifications |
|---|---|
| Supply voltage range | 100 to 240V AC |
| Rated frequency | 50/60 Hz |
| Nominal power consumption | 15VA approx. (240V AC at 25 ℃ +77 ℉) |
| Inrush current | 30A or less (240V AC/DC at 25 ℃ +77 ℉) |
| Allowable momentary power-off time | 10 ms |
| Ambient temperature | Operation: at -10 to +50 ℃ 14 to 122 ℉ Storage: at -25 to +70 ℃ -13 to 158 ℉ |
| Ambient humidity | 30 to 85% RH (at 20℃ 68℉) with non-condensing |
| Breakdown voltage(initial) | Between the isolated circuits: 2,000 V/1 min ・ Enclosure - All terminals ・ Between primary and secondary insulated circuits (Double insulation is supported) (1) Power supply terminals - other terminals (2) Voltage input terminal - other terminals |
| Insulation resistance(initial) | Between the isolated circuits: 100 MΩ or more |
| Vibration resistance | 10 to 150Hz (7.5 minutes/cycle), Single amplitude: 0.75 mm 0.030 in (1 h on 3 axes) 10 to 55Hz (1 minute/cycle), Single amplitude: 0.375 mm 0.015 in (1 h on 3 axes) |
| Shock resistance | Min. 294 m/s2 (5 times on 3 axes) |
| Display method | Black-and-white LCD with backlight (graphic form) |
| Display updating time cycle | 500, 1000, 2000, 3000 ms (set with setting mode) |
| Power failure memory method | Internal memory |
| Sea level altitude | Under 2,000 m 6,562 ft |
| Overvoltage category | III |
| Pollution degree | 2 |
| Dimensions W/H/D | 85 x 140 x 65 mm 3.346 x 5.512 x 2.559 in |
| Weight | Approx. 450 g |
Communication specifications(RS485)
| Item | Specifications |
|---|---|
| Interface | Conforming to RS485 |
| Communication method | Half-duplex |
| Synchronous system | Synchronous communication method |
| Isolation status | Isolated with the internal circuits |
| Protocol | MEWTOCOL, MODBUS (RTU)(select with setting mode) |
| Number of connected unit | 99 units (max.) (Note) For RS485 converter on the computer side, we recommend SI-35 and SI-35USB (from LINE EYE Co.,Ltd.) . When using SI-35, SI-35USB or PLC from our company (which can be connected up to 99 units), up to 99 can be connected. In case using this system with the other devices, up to 31 can be connected. |
| Transmission distance | 1,200 m 3,937 ft (Note) Please check with the actual devices when some commercial devices with RS485 interface are connected. The number of connected devices, transmission distance, and transmission speed may be different according to using transmission line. |
| Transmission speed | 115200, 57600, 38400, 19200, 9600, 4800, 2400 bps (select with setting mode) |
| Transmission format : Data length | 8 bit (fixed) |
| Transmission format : Parity | Not available / Odd number / Even number (select with setting mode) |
| Transmission format : Stop bit | 1 bit, 2 bit (select with setting mode) |
Communication specifications(Ethernet)
| Item | Specifications |
|---|---|
| Number of communication ports | 2 |
| Interface | IEEE802.3u, 100BASE-TX / 10BASE-T |
| Connector type | RJ45 |
| Transmission specifications : Transmission speed | 100 Mbps / 10 Mbps |
| Transmission specifications : Transmission method | Base band |
| Transmission specifications : Max. segment length | 100 m 328 ft |
| Communication cable | UTP (category 5) |
| Protocol (DNS, DHCP) | TCP/IP, UDP/IP |
| Web server | Setting, Monitoring measured values |
| Function | Auto-negotiation function(Note) , MDI/MDI-X auto-crossover function (Note) Speed change is automatically performed by an auto-negotiation function. |
| Dedicated communication | MEWTOCOL,MODBUS(TCP)(2 session for each) |
Output specifications
| Item | Specifications |
|---|---|
| Output points | Two channels (Note) Non-insulated between channels |
| Insulation method | PhotoMOS relay |
| Output type | 1a |
| Output capacity | 100 mA, 30 V AC/DC |
| Output mode | ・ Pulse by integral power ・ Output by alarm or events (set with setting mode) |
| Pulse Output by integral power : Pulse width | 1 ms to 100 ms (set with setting mode) |
| Pulse Output by integral power : Pulse output unit | 0.001 kWh / 0.01 kWh / 0.1 kWh / 1 kWh / 10 kWh / 100 kWh |
| Alarm output / Event output : Type | Stand-by alarm/ Under voltage alarm/ Over voltage alarm/ Power interruption alarm/ Under current alarm/ Over current alarm/ Active power alarm/ Reactive power alarm/ Apparent power alarm/ PF alarm/ Over frequency alarm/ Under frequency alarm/ Voltage harmonics alarm/ Current harmonics alarm/ Voltage THD alarm/ Current THD alarm/ Unbalanced voltage alarm/ Unbalanced current alarm/ Power demand alarm/ Current demand alarm/ Counter output/ Level output (external control) |
| Alarm output / Event output : Alarm reset | Self-reset (according to the setting) / Manual-reset |
| Protection element | Varistor (Note) Varistor is mounted internal as a protection element. Install a protective device in case of using at the place where it effects by surge. |
| Alarm output [OUT1][OUT2] : Display | Lighting alarm mark |
| Alarm output [OUT1][OUT2] : Output signal | Normal: OFF Alarm: ON |
| Alarm output [OUT1][OUT2] : Output capacity | 100 mA, 30 V AC/DC |
Input specifications
| Item | Specifications |
|---|---|
| Input points | 1 channel |
| Insulation method | Input dedicated insulation (insulated with other funct ion terminals) |
| Input method | Connection point / non-voltage a contact or open collector (operated by internal power source) |
| Input signal | Non-voltage input ・ Impedance during short-circuit: 1 kΩ or less (short- circuit current, approx. 10 mA or less) ・ Residual voltage during short-circuit: 3 V or less ・ Impedance while open: 100 kΩ or more |
| Input mode | Pulse input or external device output signal clock synchronization |
| Maximum counting speed | 2000 Hz / 30 Hz |
| Minimum input signal width | 0.25 ms (2000 Hz selected) / 16.7 ms (30 Hz selected) ON: OFF ratio = 1: 1 |
| Pre-scale setting : Decimal point | Up to three decimal points can be selected |
| Pre-scale setting : Range | 0.001 to 100.000 (set with setting mode) |
| Output mode (during pulse output selection) | HOLD |
| Protection element | Zener diode |
| Pulse input : Pulse input | 1,000 to 99,000 pulse/kWh Arbitrary setting (External pulse converter required) |
| Pulse input : Pulse rate | 0.001 to 100000 kWh/pulse |
| Pulse input : Pulse input condition (2000 Hz) | Pulse width: 0.25 ms or more Pulse interval: 0.5 ms or more (OFF time 0.25 ms or more) |
| Pulse input : Pulse input condition (30 Hz) | Pulse width: 16.7 ms or more Pulse interval: 33.4 ms or more (OFF time 16.7 ms or more) |
| Pulse input : Operation voltage / current | 5 V DC 10 mA |
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