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WM30 Datasheet(PDF) 8 Page - Carlo Gavazzi Holding AG |
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WM30 Datasheet(HTML) 8 Page - Carlo Gavazzi Holding AG |
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8 / 20 page  8 Specifications are subject to change without notice WM30 96 DS 071020 WM30 96 Energy consumption Red LED (only kWh) kWh pulsating 0.001 kWh/kvarh by pulse if the Ct ratio by VT ratio is ≤7 0.01 kWh/kvarh by pulse if the Ct ratio by VT ratio is ≥7.1 ≤70.0 0.1 kWh/kvarh by pulse if the Ct ratio by VT ratio is ≥70.1 ≤700.0 1 kWh/kvarh by pulse if the Ct ratio by VT ratio is ≥700.1 ≤7000 10 kWh/kvarh by pulse if the Ct ratio by VT ratio is ≥7001 ≤70.00k 100 kWh/kvarh by pulse if the Ct ratio by VT ratio is >70.01k Max frequency: 16Hz, according to EN 62052-11 Back position LEDs On the base Green as power-on On the communication modules Two LEDs: one for TX (green) and one for RX (amber). Key-pad For variable selection, programming of the instrument working parameters, “dmd”, “max”, total energy and partial energy Reset Display refresh time ≤ 250 ms Display 4 lines, 4-DGT, 1 lines, 10-DGT Type LCD, single colour backlight Digit dimensions 4-DGT: h 9.5mm; 10-DGT: h 6.0mm Instantaneous variables read-out 4-DGT Energies variables read-out Imported Total/Partial: 8+2DGT, 9+1DGT or 10DGT; Exported Total/Partial: 8+2DGT, 9+1DGT or 10DGT (with “-“ sign). Run Hours counter 8+2 DGT (99.999.999 hours and 59 minutes max) Overload status EEEE indication when the value being measured is exceeding the “Continuous inputs overload” (maximum measurement capacity) Max. and Min. indication Max. instantaneous variables: 9999; energies: 9 999 999 999. Min. instantaneous variables: 0.000; energies 0.00 Front position LEDs Virtual alarms 4 red LED available in case of virtual alarm (AL1-AL2- AL3-AL4). Note: the real alarm is just the activation of the proper static or relay output if the proper module is available. Display, LED’s and commands 0 50 A 100 A 4 12 mA 20 mA 0 50 A 100 A 4 12 mA 20 mA 0 50 A 100 A 4 12 mA 20 mA 0 50 A 100 A 4 12 mA 20 mA System 3-Ph.2 balanced load 3-phase (2-wire), one current and 1-phase (L1) to neutral voltage measurement. System 2-Ph 2-phase (3-wire) System 1-Ph 1-phase (2-wire) Transformer ratio VT (PT) 1.0 to 999.9 / 1000 to 9999. CT 1.0 to 999.9 / 1000 to 9999 (up to 10kA in case of CT with 1A secondary current and up to 50kA in case of CT with 5A secondary current). Maximum CT ratio x VT ratio 9999 x 9999 Filter Operating range Selectable from 0 to 100% of the input display scale Filtering coefficient Selectable from 1 to 32 Filter action Measurements, analogue signal retransmission, serial communication (fundamental variables: V, A, W and their derived ones). Password Numeric code of max. 4 digits; 2 protection levels of the programming data: 1st level Password “0”, no protection; 2nd level Password from 1 to 9999, all data are protected System selection System 3-Ph.n unbalanced load 3-phase (4-wire) System 3-Ph. unbalanced load 3-phase (3-wire), three currents and 3-phase to phase voltage measurements, or in case of Aaron connection two currents (with special wiring on screw terminals) and 3-phase to phase voltage measurements. System 3-Ph.1 balanced load 3-phase (3-wire), one current and 3-phase to phase voltage measurements 3-phase (4-wire), one current and 3-phase to neutral voltage measurements. Main functions |
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