Control Techniques M700-04400172A High-Performance AC Drive
The Control Techniques M700-04400172A is a premium, high-performance variable speed drive (VSD) from the Unidrive M700 range. It is engineered for maximum throughput, precision speed, and synchronized motion control of induction, permanent magnet, and high-dynamic AC brushless servo motors. Operating on a three-phase 380–480 VAC input, this Size 4 frame AC drive features a heavy-duty rating of 7.5 kW (10 HP) with a continuous output current of 17.2 A. It can also be configured for normal duty profiles up to 11 kW (15 HP) at 24.0 A. The unit features onboard real-time Ethernet connectivity, a multi-protocol universal feedback interface, and sophisticated motion control algorithms.
Key Specifications & Electrical Performance
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Part Number: M700-04400172A
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Manufacturer: Control Techniques (Nidec)
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Frame Size: Size 4
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Input Voltage: Three-Phase, 380 to 480 VAC $\pm$10% (48 to 62 Hz)
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Output Phase: Three-Phase
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Motor Power (Heavy Duty): 7.5 kW (10 HP)
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Motor Power (Normal Duty): 11 kW (15 HP)
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Rated Output Current: 17.2 A (Heavy Duty) / 24.0 A (Normal Duty)
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Overload Capacity: 200% for 28 seconds (Heavy Duty RFC-A mode)
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Ingress Protection Rating: IP20 / UL Open Class
High-Bandwidth Closed-Loop Control & Integrated Feedback
The defining technical asset of the Unidrive M700 series is its universal speed and position control capability. The M700-04400172A operates with a current loop bandwidth of 3,300 Hz and a speed loop bandwidth of 250 Hz. Its built-in, 15-way D-type connector houses a multi-protocol universal encoder port supporting absolute EnDat 2.2, Hiperface, BiSS, SSI, SinCos, and incremental quadrature signals. This dual-channel feedback architecture accommodates simultaneous feedback and reference encoders, alongside a simulated encoder output for digital lock and electronic gearing functions.
Real-Time Ethernet and Onboard IEC 61131-3 PLC
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Dual-Port Real-Time Ethernet: Features an integrated dual-port Ethernet switch supporting IEEE 1588 V2 Precision Time Protocol (PTP) and Real-Time Motion over Ethernet (RTMoE) for rapid axis synchronization and low network latency. It supports EtherNet/IP, Modbus TCP/IP, and PROFINET RT protocols.
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Onboard Logic Controller: Includes a built-in programmable controller programmed via Machine Control Studio (CODESYS), running localized automation scripts and advanced motion tasks directly on the drive.
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Safe Torque Off (STO): Features a built-in single-channel Safe Torque Off terminal independently certified to SIL3 / PLe standards, facilitating seamless integration into critical industrial safety circuits without external contactors.
Modular System Scalability and Rugged Build
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Three System Integration (SI) Slots: Built with three independent SI slots to expand functionality with communication modules, secondary feedback systems, or additional analog/digital I/O.
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Conformal Coated PCBs: The internal circuit boards are treated with a heavy-duty conformal coating as standard, defending the sensitive electronics against conductive dust, humidity, and thermal shock.
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Configuration Cloning: Directly compatible with Smartcard or SD card readers (via an SD-Card Adaptor) to easily copy, store, and distribute parameter profiles across replacement units or multiple machines.
Recommended Industrial Applications
The M700-04400172A is optimized for dynamic, multi-axis machinery and synchronized industrial applications, including:
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High-speed flying shears, rotary cutters, and indexing tables
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Dynamic web handling, winders, unwinders, and tension control lines
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High-precision metal cutting, grinding, and CNC spindle drives
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High-speed packaging machinery and synchronized material handling
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