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KUWTN-4314 Datasheet(PDF) 3 Page - M-System Co.,Ltd. |
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KUWTN-4314 Datasheet(HTML) 3 Page - M-System Co.,Ltd. |
3 / 6 page MODEL: KUWTN KUWTN SPECIFICATIONS ES-3661 Rev.3 Page 3/6 http://www.m-system.co.jp/ 0.150 sec. min. when the maximum frequency is less than 1 Hz, with the S5 rotary switch set to other than 0. • Power Photo MOSFET Relay Rating: 120 V AC/DC @ 100 mA (resistive load) Max. ON resistance: 10 Ω • Open Collector Rating: 35 V DC @ 100 mA ON voltage: ≤ 1 V at 100 mA • Pulse Unit: refers to how much electrical energy (kWh) consumption at the primary of the VT and CT corresponds to the single output pulse per hour from the transducer. • How to Set Pulse Unit: The switches S1 through S5, VT and CT ratios, and the transducer's calibration input range all determine the relative value of one pulse, i.e. the number of kWh per pulse. VT Ratio × CT Ratio × Calibration Range [kW] ÷ (2.777 Hz × 3600 [sec.] × 10 × Pulse Unit [kWh/pulse]) = 0.XXXX × 10–X = 0. [a1] [a2] [a3] [a4] × 10–[a5] a1 thr. a4: integer, 1 though 9 a5: integer, 0 through 6 [example] VT 3300 / 110 V, CT 250 / 5 A, Pulse Unit 10 [kWh/pulse], Clibration Range 1000 [W] 3300 ÷ 110 × 250 ÷ 5 × 1 [kW] ÷ (2.777 Hz × 3600 [sec.] × 10 × 10 [kWh/pulse]) = 0.1500 × 10–2 S1 = 1, S2 = 5, S3 = 0, S4 = 0, S5 = 2 500 1000 W 0 12 OUT 20 mA 500 1000 W 0 5 OUT 10 V 4 0 +1000 W -1000 W 12 OUT 20 mA 0 +1000 W -1000 W 0 OUT +10 V 4 -10 V s OPERATION DIAGRAM (example) INSTALLATION Operating temperature: -10 to +55°C (14 to 131°F) Operating humidity: 30 to 85 %RH (non-condensing) Mounting: Surface or DIN rail Weight: 550 g (1.21 lb) PERFORMANCE in percentage of span Accuracy: ±0.5 % (at 23°C ±10°C or 73.4°F ±18°F, 45 – 65 Hz) Response time: ≤ 2 sec. (0 – 100 % ±1 %) Ripple: 0.5 %p-p max. Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength: 2000 V AC @ 1 minute (voltage input to current input to DC output to ground) 1000 V AC @ 1 minute (pulse output to voltage input or current input or DC output or ground) Impulse withstand voltage: 1.2 / 50 μsec., ±5 kV (input to output or ground) |
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