{"product_id":"basler-decs-250-cn2cn1n-digital-excitation-control-system","title":"BASLER DECS-250-CN2CN1N Digital Excitation Control System","description":"\u003ch2\u003eBASLER DECS-250-CN2CN1N Digital Excitation Control System\u003c\/h2\u003e\n\u003cp\u003eConfigured for field current regulation and generator voltage control in power generation and utility grids, the \u003cstrong\u003eBASLER DECS-250-CN2CN1N\u003c\/strong\u003e (\u003cstrong\u003eDECS-250\u003c\/strong\u003e Digital Excitation Control System) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eDECS-250-CN2CN1N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBASLER\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e6.62 kg (14.6 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e159 mm x 304.8 mm x 219 mm (6.26 in x 12.00 in x 8.62 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +60 deg C (-40 to +140 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e50 VA \/ 30 W typical (control power burden)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Power Input\u003c\/td\u003e\n\u003ctd\u003e90-150 VDC or 82-132 VAC (61-420 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous DC Output\u003c\/td\u003e\n\u003ctd\u003e15 ADC continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForcing DC Output\u003c\/td\u003e\n\u003ctd\u003e30 ADC for up to 10 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Rating\u003c\/td\u003e\n\u003ctd\u003e32 VDC, 63 VDC, or 125 VDC nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRegulation Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/- 0.25% steady-state voltage regulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Inputs \/ Outputs\u003c\/td\u003e\n\u003ctd\u003e16 dry-contact inputs, 11 Form A outputs, 1 Form C watchdog\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Drive, Governor, and Excitation Loop Feedback Response\u003c\/h3\u003e\n\u003cp\u003eExcitation control systems rely on precise loop feedback response to regulate synchronous generator terminal voltage and reactive power distribution. The DECS-250 maintains tight +\/-0.25% steady-state regulation while processing generator CT\/PT inputs and accessory setpoints (4-20 mA or +\/-10 VDC). Fast-acting field forcing (30 ADC for 10 seconds) stabilizes generator excitation during sudden load steps or grid disturbance conditions, suppressing rotor oscillations and maintaining system transient stability.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What power sources are compatible with the control power input on the \"C\" option style?\u003c\/p\u003e\n\u003cp\u003eA: The high-voltage control power supply accepts 90 to 150 VDC or 82 to 132 VAC across an operating frequency range of 61 to 420 Hz.\u003c\/p\u003e\n\u003cp\u003eQ: Can the DECS-250 communicate concurrently over Ethernet and serial networks?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The system supports Modbus TCP over its standard RJ-45 Ethernet port simultaneously with Modbus RTU over the RS-485 interface for SCADA integration.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the unit vertically onto a rigid panel backplate using proper mounting hardware to ensure adequate convection cooling through top and bottom vents.\u003c\/li\u003e\n\u003cli\u003eConnect control power wires and field output leads using properly sized AWG conductors to handle up to 30 ADC forcing current without voltage drop.\u003c\/li\u003e\n\u003cli\u003eVerify CT sensing polarity (1 AAC or 5 AAC rated inputs) before energizing the generator to avoid negative phase sequence or reactive power control errors.\u003c\/li\u003e\n\u003cli\u003eTerminate shield wires from 4-20 mA or +\/-10 VDC analog setpoint cables strictly at the cabinet earth ground bus to eliminate electrical noise interference.\u003c\/li\u003e\n\u003cli\u003eTest the dedicated Form C watchdog contact circuit during commissioning to verify safe trip assertion upon control system fault or loss of operating power.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BASLER","offers":[{"title":"Default Title","offer_id":50207142936650,"sku":"DECS-250-CN2CN1N","price":210.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/8569\/3770\/files\/DECS-250_1.png?v=1763704210","url":"https:\/\/www.topbrandsplc.com\/products\/basler-decs-250-cn2cn1n-digital-excitation-control-system","provider":"Topbrands PLC Limited","version":"1.0","type":"link"}