Single-circuit metering, measurement & analysis diris_986_a_us.psd Ethernet diris_581_h_1_us_cat DIRIS A-30 Multifunction power metering & monitoring device - PMD The solution for > Industry > Building > Infrastructures DIRIS A-30 Function The DIRIS A-30 is a power metering and monitoring device that provides the user with all of the measurements needed to complete energy efficiency projects and to ensure the monitoring of electrical distribution. All the information can be used and analyzed remotely with energy efficiency software packages. Functional diagram DIRIS A-30 Strong points > User-friendly operation > Detects wiring errors. > Customizable > Compliant with ANSI C12.20 DIRIS A-30 DIRIS A-30 DIRIS A-30 Compliance with standards RS485 Advantages User-friendly operation With its large backlit multiple-display screen and 6 pushbuttons, the DIRIS A-30 is easy to use. Detects wiring errors. The DIRIS A-30 is provided with a correction function for CT wiring errors. Customizable The DIRIS A-30 can be equipped with additional modules that give the user flexibility throughout the service life of the product. Communication modules and additional digital or analog inputs/outputs can be used to increase its range of functionality. Functions Multi-measurement • Currents - instantaneous: I1, I2, I3, In, Isystem - average/max average: I1, I2, I3, In • Voltages & frequency - instantaneous: V1, V2, V3, U12, U23, U31, F, Vsystem, Usystem - average/max average: V1, V2, V3, U12, U23, U31, F • Powers - instantaneous: 3P, ΣP, 3Q, ΣQ, 3S, ΣS - max average: ΣP, ΣQ, ΣS - predictive: (ΣP), (ΣQ), (ΣS) • Power factors - instantaneous: 3PF, ΣPF - average/max average: ΣPF • Kfactor 299 General Catalog UL/CSA Ed. 3 Metering • Active energy: +/- kWh • Reactive energy: +/- kvarh • Effective power: kVAh • Time table: Harmonic analysis • Total Harmonic Distortion - Currents: thd I1, thd I2, thd I3, thd In - Phase-to-neutral voltage: thd V1, thd V2, thd V3 Phase-to-phase voltage: thd U12, thd U23, thd U31 • Individual harmonics up to 63rd - Currents: HI1, HI2, HI3, HIn - Phase-to-neutral voltage: HV1, HV2, HV3, - Phase-to-phase voltages: HU12, HU23, HU31 Demand profiles • Active & reactive power: ΣP+/- ; ΣQ+/- • Voltages & frequency: V1, V2, V3, U12, U23, U31, F Events (1) • Alarms on all electrical parameters. Communications • RS485 (Modbus & Profibus-DP) • Ethernet (Modbus/TCP or Modbus RTU) • Ethernet with RS485 Modbus RTU gateway over TCP Inputs/Outputs • Pulse metering • Remote control/command • Alarm report • Pulse report Analog output • Analog 0/4- 20 mA Energy efficiency software > UL 61010-1 CSA-C22.2 No. 61010-1 Guide PICQ File E257746 PLC > ANSI C12.20 > IEC 61557-12 Compliant with ANSI C12.20 Reference standard for PMDs (Power metering & monitoring devices), IEC 61557-12 guarantees performance levels and satisfactory performance from the PMDs under the environmental conditions typical of industrial and building applications. Bi-directional metering DIRIS A-30 can measure the flow of electricity in both directions.