{"product_id":"gm260-bachmann-4-quadrant-energy-counter-plc-card","title":"GM260 Bachmann 4-Quadrant Energy Counter PLC Card","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBachmann GM260\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-speed, precision acquisition unit for three-phase electrical networks within the M1 automation environment. It enables the simultaneous monitoring of two separate three-phase branches from a single voltage reference point, calculating True RMS values online. This module performs advanced harmonic analysis up to the 40th harmonic, providing essential data for power quality assessment in wind turbines, hydroelectric plants, and industrial microgrids. We supply this unit in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econdition, ensuring laboratory-grade measurement accuracy for your critical power generation assets.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe GM260 integrates 16-bit A\/D conversion with high-speed digital signal processing to evaluate complex grid variables in real-time.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Detail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBachmann electronic GmbH\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGM260\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMeasurement Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3-Phase (2 separate branches via 1 voltage point)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eVoltage Input\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 690 V AC (Nominal), Galvanically Isolated\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Input\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCT inputs (1 A \/ 5 A Nominal)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCalculation Mode\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTrue RMS including harmonics (up to 40th)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFrequency Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10 Hz – 1 kHz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e±0.1% Full Scale\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEnergy Counting\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 x Integrated 4-Quadrant Energy Counters\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection Detection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOver\/Under Voltage \u0026amp; Frequency, Phase Imbalance\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16-bit A\/D Conversion\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0°C to +60°C (32°F to 140°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe GM260 architecture replaces multiple standalone power meters and protection relays by integrating all grid-monitoring functions into the PLC backplane.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Harmonic Analysis:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUnlike standard analog cards, the GM260 calculates harmonics up to the 40th order online. This allows engineers to detect non-linear load interference and prevent premature equipment failure caused by total harmonic distortion (THD) in industrial plants.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual 4-Quadrant Energy Counting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module integrates two separate 4-quadrant counters, measuring active, reactive, and apparent power in both consumption and generation directions. This proves vital for renewable energy systems that fluctuate between grid-tie feeding and local consumption.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSynchronous Machine Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated algorithms detect phase imbalances and frequency shifts instantaneously. These features allow the GM260 to act as a high-speed protection interface, triggering safety shutdowns or load shedding faster than traditional external relays.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGalvanic High-Voltage Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDirect 690 V AC inputs utilize high-grade galvanic isolation to protect the M1 system bus. This design eliminates the need for external voltage transducers for standard 690V industrial grids, saving cabinet space and reducing wiring errors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDeterministic Grid Synchronization:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module supports generator-to-grid synchronization by providing precise phase-angle and frequency data to the CPU. This enables smooth paralleling of generators in marine dynamic positioning or decentralized power systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I monitor two different generators with one GM260?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe GM260 monitors two separate current branches but shares a common voltage monitoring point. If your generators share a common busbar voltage, you can acquire the current data for both simultaneously.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the module require external Current Transformers (CTs)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The current inputs utilize standard 1 A or 5 A secondary signals from external CTs. You must configure the CT ratio within the Bachmann software to ensure accurate scaling of the primary current values.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the module handle high-frequency transients?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 16-bit A\/D conversion and 1 kHz frequency range capture rapid fluctuations. However, for lightning-strike level transients, you should still install standard external surge protection devices (SPDs) upstream of the voltage inputs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the GM260 compatible with IEC 61850?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen paired with an appropriate Bachmann communication processor (like an MPC series CPU), the data acquired by the GM260 can be mapped to IEC 61850 data objects for substation automation and smart grid integration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bachmann","offers":[{"title":"Default Title","offer_id":43166328717402,"sku":"GM260","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/478..jpg?v=1775037641","url":"https:\/\/www.spareoil.com\/products\/gm260-bachmann-4-quadrant-energy-counter-plc-card","provider":"SpareOil Automation","version":"1.0","type":"link"}