The Delta C2000 Plus Series stands as the flagship "High Performance Field Oriented Control" (FOC) drive in Delta’s extensive automation portfolio. It is engineered specifically to handle the most rigorous industrial applications where precision and torque response are non-negotiable. Unlike standard general-purpose drives, the C2000 Plus utilizes a high-bandwidth current vector control algorithm that allows it to drive both standard Induction Motors (IM) and high-efficiency Permanent Magnet (PM) Motors with or without encoder feedback. This versatility makes it a "dual-mode" drive capable of unifying disparate motor technologies across a factory floor. A defining feature of the C2000 series is its intelligent modular architecture. The drive is designed with a built-in PLC (Programmable Logic Controller) boasting a 10,000-step capacity, allowing users to execute complex logic, sequential control, and distributed processing directly within the VFD without needing an external controller. This significantly reduces panel space and wiring costs. The modularity extends to its physical construction; it supports hot-pluggable LCD keypads, removable cooling fans for easy maintenance, and a wide array of snap-in option cards for I/O expansion, encoder feedback, and fieldbus communication (including EtherNet/IP, PROFINET, and EtherCAT). For heavy-duty machinery, the C2000 Plus offers 4-quadrant torque control, enabling it to manage regenerative energy and provide precise tension control in winding applications or smooth lifting in cranes and hoists. It includes specialized functions like Deceleration Energy Backup (DEB), which utilizes the motor's regenerative energy to keep the control electronics alive during momentary power dips, ensuring a controlled stop rather than a crash. Robustness is ensured through a "Dual Rating" design (Normal Duty and Heavy Duty), conformal coated PCBs to resist humidity and dust (Class 3C3), and a thermal design rated for operation up to 50°C, making it perfectly suited for harsh manufacturing environments typically found in steel, oil & gas, and mining sectors.

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The Delta CH2000 Series is Delta's specialized "Super Heavy Duty" AC motor drive, explicitly designed to handle the rigorous demands of crane, hoist, and high-inertia processing machinery. Unlike standard general-purpose drives, the CH2000 is engineered with a robust overload capacity of 150% for 60 seconds and 200% for 3 seconds, ensuring it can withstand sudden impact loads without tripping. It utilizes advanced Field Oriented Control (FOC) to deliver ultra-high starting torque—up to 200% at 0Hz when using encoder feedback (FOC+PG)—which is critical for holding suspended loads before the mechanical brake releases. The drive features specialized crane functions, including precise mechanical brake control logic, torque proving, and 4-quadrant operation for handling regenerative energy during lowering or deceleration. Its modular design includes a hot-pluggable LCD keypad, removable fans for easy maintenance, and built-in PLC logic (10k steps) to decentralize control tasks. With a rugged design capable of operating at 50°C and built-in braking units in models up to 75kW, the CH2000 is the ultimate solution for heavy industry material handling.

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The Delta CP2000 Series is designed to meet the rigorous demands of fluid handling and air movement applications, making it the premier choice for the HVAC and water treatment sectors. Unlike general-purpose drives, the CP2000 utilizes specialized Sensorless Vector Control (SVC) curves optimized for variable torque loads like fans and centrifugal pumps, allowing for significant energy savings by automatically adjusting output based on load demand. The drive distinguishes itself with built-in high-speed BACnet MS/TP communication, eliminating the need for expensive converter cards when connecting to modern Building Management Systems (BMS). To further reduce system complexity, the CP2000 includes a powerful built-in PLC with 10,000 steps of memory. This allows engineers to program decentralized logic—such as lead-lag pump scheduling, real-time clock (RTC) scheduling, or autonomous start/stop routines—directly inside the drive. It features advanced Multi-Pump Control capable of managing up to 8 pumps simultaneously (using optional relay cards) in circulating or fixed modes to ensure constant pressure and even wear across motors. Designed for longevity, the CP2000's PCBs are coated with a Class 3C3 conformal coating to resist corrosion from humidity and chemical gases often found in pump rooms and cooling towers.

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The Delta CT2000 Series is an industry-specific AC motor drive meticulously engineered for the harsh and fiber-rich environments of the textile sector, where standard drives often fail due to clogging and overheating. Its most defining characteristic is the innovative flange-mount (through-wall) installation design, which allows the massive heatsink and cooling fan to be mounted protruding out the back of the electrical cabinet while the control electronics remain sealed inside; this physical separation prevents "cotton fly," dust, and conductive fibers from clogging the internal circuitry and cooling channels, thereby drastically reducing maintenance downtime. Built to withstand extreme conditions, the drive's internal printed circuit boards are treated with a robust IEC 60721-3-3 Class 3C3 conformal coating to resist corrosion from humidity and chemical gases common in dyeing and finishing plants. Beyond its rugged hardware, the CT2000 offers versatile control modes including Sensorless Vector Control (SVC) for precise tension and speed regulation required in spinning frames and looms, and it supports a fanless design for smaller models to further eliminate fiber accumulation risks. With built-in Modbus communication and modular expansion capabilities, the CT2000 ensures continuous, reliable production in the most demanding textile manufacturing lines.

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The Delta HES Series Hybrid Energy System is a revolutionary "Oil-Electric" servo solution specifically engineered to replace traditional fixed-displacement hydraulic systems in heavy industrial machinery like injection molding machines and hydraulic presses. The system consists of three perfectly matched components: a specialized AC Servo Drive, a high-response Permanent Magnet Servo Motor, and a robust Hydraulic Pump, all working in unison to provide flow and pressure exactly on demand. By utilizing precise Pressure (P) and Flow (Q) control algorithms, the HES system eliminates energy waste during the "cooling" and "holding" stages of a machine cycle, where traditional pumps would normally dump excess oil back into the tank. This "demand-based" operation results in staggering energy savings of 40% to 80%, while also significantly reducing the oil temperature rise, which in turn lowers the cooling water requirements and extends the lifespan of hydraulic fluid and seals. The system boasts an incredible response rate, capable of ramping up system pressure in as little as 30ms, ensuring tighter tolerances and faster cycle times for precision manufacturing processes.

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The Delta IED (Integrated Elevator Drive) Series represents a cutting-edge solution for vertical transportation, merging a sophisticated variable frequency drive with a specialized elevator control board into a single, compact chassis to simplify installation and reduce wiring complexity. Designed for ultimate passenger comfort, it utilizes high-precision vector control compatible with both traditional induction motors and modern permanent magnet synchronous motors, ensuring smooth starting and stopping via advanced S-curve acceleration profiles. The unit features comprehensive safety logic including built-in emergency rescue operation (ERO) that automatically switches to battery power during outages to deliver passengers safely to the nearest floor. With its capability to handle complex dispatching logic for up to 8 lifts in a group control configuration and integrated USB tuning interfaces, the IED series offers a robust, all-in-one "brain and muscle" solution for residential and commercial elevators.

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The Delta ME300 Series is a revolutionary "Compact Vector Control Drive" designed to replace the older VFD-M, VFD-E, and VFD-EL series in applications where space is at a premium. Its standout feature is an ultra-compact mechanical design that reduces volume by up to 60% compared to previous generations, allowing for side-by-side installation (zero stacking clearance) to maximize control cabinet density. Despite its small size, the ME300 does not compromise on functionality; it comes standard with built-in PLC logic (2k steps) for executing decentralized control tasks, and it supports both Induction Motors (IM) and Permanent Magnet Motors (PM) under Sensorless Vector Control (SVC). The drive is engineered for versatility, offering Multi-Pump Control for constant pressure water systems, built-in Safe Torque Off (STO) for safety compliance, and a high-speed pulse input for simple position control. Its tool-free removable cooling fan and spring-clamp control terminals ensure maintenance is quick and effortless.

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The Delta MH300-L Series is a dedicated "Compact Elevator Drive" engineered specifically for elevator door control and simple open-loop lift applications. Leveraging the ultra-slim, space-saving chassis of the MH300 family, it reduces installation volume by up to 40%, making it ideal for integration into slim door operator headers or compact control cabinets. It distinguishes itself with specialized lift features, including Slip Compensation for accurate floor leveling without encoders and a robust EPS (Emergency Power Supply) function that allows the drive to run on low-voltage battery power (UPS) to open doors or move the car during a power outage. Safety is paramount with built-in Safe Torque Off (STO) compliance. The drive also features high starting torque to overcome door friction and obstructions, a built-in braking chopper, and a detachable digital keypad with a potentiometer for rapid commissioning and adjustment.

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The Delta MS300 Series is Delta's flagship "Standard Compact Vector Control Drive," positioned above the entry-level ME300 by offering expanded connectivity and higher performance in the same ultra-compact footprint. It is engineered to drive both standard Induction Motors (IM) and high-efficiency Permanent Magnet Motors (PM) using advanced open-loop vector control algorithms. Unlike the simpler ME300, the MS300 features a communication expansion slot, allowing users to add option cards for CANopen, DeviceNet, EtherNet/IP, Modbus TCP, and PROFIBUS, making it highly adaptable to various network architectures. It comes standard with a built-in USB port on the front for rapid parameter configuration and firmware updates without needing special cables or power adapters. Safety and logic are integrated directly into the drive with built-in Safe Torque Off (STO) compliance (SIL2/PLd) and a PLC function (2k steps), enabling decentralized logic control. With a standard output frequency of up to 599Hz (and high-speed models reaching 1500Hz), it is perfectly suited for high-speed spindle applications as well as general automation.

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The Delta REG2000 Series is a specialized "Power Regenerative Unit" designed to replace traditional braking resistors and braking chopper units in high-inertia applications. Instead of dissipating the regenerative energy created by a braking motor as waste heat (which often requires additional air conditioning to cool), the REG2000 converts this DC energy back into AC power and feeds it back into the facility's power grid with an efficiency of over 95%. This process not only dramatically reduces electricity consumption but also eliminates the fire risks and space requirements associated with large resistor banks. Compatible with any standard frequency drive (VFD) equipped with DC bus terminals, the REG2000 is compact and easy to install, effectively upgrading a standard 2-quadrant drive into a 4-quadrant system capable of continuous braking without overheating. It features built-in Modbus communication for monitoring energy savings and grid status, making it an essential component for green building certification and energy-efficient industrial automation.

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The Delta VFD-B Series represents Delta's classic "General Purpose NEMA 1" vector control drive, renowned for its reliability and versatility across a broad spectrum of industrial applications. Housed in a durable white/cream chassis, the VFD-B offers a comprehensive set of control features, including flexible V/F curve selection and Sensorless Vector Control (SVC) which provides high starting torque and dynamic speed response even without motor feedback. It is powered by a 16-bit microprocessor capable of outputting standard frequencies up to 400Hz, with specialized high-speed firmware versions available reaching up to 2000Hz for spindle applications. The drive features a user-friendly, detachable LED keypad that allows for remote mounting and easy parameter copying between units. Ideally suited for process control, it includes built-in PID feedback logic for maintaining constant pressure or flow in pump and fan systems, and comes standard with an RS-485 port supporting Modbus communication for integration into SCADA networks. Its modular design supports optional expansion cards for encoder feedback (PG card), enabling closed-loop speed control for even greater precision.

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The Delta VFD-C200 Series is an "Intelligent Vector Control Micro Drive" engineered to provide robust performance in a compact footprint, bridging the gap between basic micro drives and high-performance industrial drives. It distinguishes itself with a powerful built-in PLC (Programmable Logic Controller) with a 5,000-step capacity, allowing for decentralized logic processing directly at the motor level without external controllers. Designed for durability, the C200 features a 100% PCB conformal coating (IEC 60721-3-3 Class 3C2) and an optimized thermal design with independent air ducts, making it highly resistant to dust, humidity, and chemical vapors often found in food processing and textile industries. It offers versatile control options including Sensorless Vector Control (SVC) for high starting torque and dynamic response, and comes equipped with a built-in braking chopper and Modbus RS-485 communication, making it the ideal solution for conveyor belts, packaging machines, and treadmills requiring reliable speed regulation under varying loads.

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The Delta VFD-DD Series is a specialized "Intelligent Door Control Drive" engineered to modernize elevator entry systems by pairing perfectly with the compact Permanent Magnet (PM) motors often used in new door operators. Unlike general-purpose drives, the VFD-DD incorporates sophisticated door control logic directly into the unit, eliminating the need for an external PLC or complex limit switch arrangements. It features an advanced Distance Control Mode that automatically learns the door width upon startup, calculating precise acceleration and deceleration curves (S-curves) to ensure the door opens and closes smoothly without banging. Safety is intrinsic to its design; the drive monitors motor torque in real-time to detect obstructions, instantly triggering a Door Blockage Re-open function (Anti-Pinch) if a passenger or object blocks the path. Housed in a compact, rugged chassis with a built-in digital keypad and simplified terminal layout, the VFD-DD is the ideal solution for both new installations and retrofitting older door systems to achieve silent, vibration-free operation.

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The Delta VFD-E Series is an advanced "Sensorless Vector Control Micro Drive" that stands out for its intelligent modular architecture. Unlike traditional fixed-configuration drives, the VFD-E is designed with an expansion slot that accepts various plug-in cards for I/O expansion, Relay outputs, or communication (Profibus, DeviceNet, CANopen), allowing users to customize the drive exactly to their application needs. It features a built-in PLC with 500 steps of memory, enabling simple logic control directly within the drive without an external controller. The mechanical design is optimized for space efficiency, supporting side-by-side DIN rail mounting with high-efficiency heat sinks that allow for zero clearance installation. Additionally, it includes a built-in EMI filter (in 230V/460V models) to minimize electromagnetic interference and a specialized RFI switch for use with IT mains supplies. The standard keypad is removable, and the unit can be configured with an optional digital keypad including a potentiometer for easy manual adjustment.

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The Delta VFD-ED Series is an industry-leading AC motor drive meticulously engineered for the vertical transportation sector. It is designed to control both traditional Asynchronous Induction Motors (IM) and modern, energy-efficient Synchronous Permanent Magnet Motors (PM) within a single drive unit, offering flexibility for retrofits or new installations. The series prioritizes passenger safety and comfort; it features an advanced S-curve acceleration/deceleration algorithm that ensures ultra-smooth starting and stopping, eliminating the "jerk" often felt in older elevators. A critical safety feature is the built-in support for Emergency Rescue Operation (ERO), which allows the drive to switch automatically to a low-voltage battery supply (UPS) in the event of a mains power failure, gently moving the cabin to the nearest floor to release trapped passengers. Housed in a robust metal chassis designed for effective heat dissipation, the VFD-ED also includes a digital keypad for precise parameter tuning and diagnostics.

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The Delta VFD-EL Series is a "Multi-Function Micro Type AC Drive" designed for simple, low-power applications where space and cost are critical factors. Despite its small size, it is a highly capable drive featuring built-in EMI filters to minimize electromagnetic interference, making it suitable for residential and commercial environments. It utilizes a high-efficiency thermal design that allows for DIN rail mounting side-by-side with other units. The drive comes with a built-in keypad and potentiometer for easy local operation, and it also supports remote control via its RS-485 communication port (Modbus protocol). A unique feature for a drive in this class is the built-in RFI switch, which allows users to easily disconnect the internal Y-capacitor when using the drive on IT (ungrounded) mains supplies, preventing nuisance tripping. With reliable V/F control and overload protection, the VFD-EL is the perfect "install-and-forget" solution for small pumps, fans, and conveyor belts.

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The Delta VFD-L Series is an entry-level "Sub-Fractional Low Cost Micro Drive" specifically engineered for applications requiring basic speed control without complex functions. It features an incredibly small and lightweight chassis, making it ideal for integration into appliances or small machinery where space is extremely limited. The drive is designed for simplicity, often featuring a large potentiometer knob directly on the faceplate for intuitive manual speed adjustment, along with simple Run/Stop switches. Despite its low cost, it includes a built-in EMI filter to reduce electromagnetic interference, allowing it to be used in residential or office environments without disrupting other electronics. The VFD-L utilizes a low-noise carrier frequency design (up to 10kHz) to ensure quiet motor operation, which is essential for applications like ceiling fans or small pumps. It is a "plug-and-play" solution perfect for replacing single-speed motors with variable speed control to improve efficiency.

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The Delta VFD-M Series is a highly popular "Sensorless Vector Micro Drive" known for its compact size and ultra-low noise operation. Housed in a durable white/cream chassis, it features an integrated digital keypad with a convenient potentiometer knob on the front panel, allowing for immediate and easy speed adjustment without navigating complex menus. Designed for versatility, the VFD-M employs a high carrier frequency (up to 15kHz) to ensure silent motor operation, making it perfect for indoor applications like HVAC and commercial appliances. It offers robust control capabilities including Sensorless Vector Control (SVC) for high starting torque, automatic torque boost, and slip compensation to maintain stable speed under varying loads. The drive also comes standard with an RS-485 communication port (Modbus) for easy integration into industrial networks, and it supports built-in PID control for process regulation such as constant pressure pumping.

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The Delta VFD-S Series is defined as Delta's "General Purpose AC Micro Drive," designed to offer a balance of simplicity, cost-effectiveness, and performance for small-scale automation. It is particularly renowned for its low-noise operation, achieved through a high carrier frequency capability (up to 10kHz) that significantly reduces motor audible noise, making it ideal for quiet environments like commercial buildings or offices. The drive features an easy-to-use digital keypad for quick parameter setup and monitoring. Despite its compact "micro" size, it packs essential advanced features including built-in PID feedback control for maintaining constant pressure or flow in pump/fan systems, and a Sleep/Revival function to maximize energy efficiency during low-demand periods. It comes standard with a Modbus RS-485 communication interface, allowing for seamless integration into factory networks for remote monitoring and control.

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