Product Description
M751-02200090A10101AB110
Nidec Control Techniques Digitax HD
M751 200V3ph 9.0A RS485
Base servo drive for configuration flexibility
Digitax HD M751 Base is a servo drive that offers configuration flexibility with two option slots for functionality extension and customization.
With built-in RS485 communications, Digitax M751 also features an on-board Advanced Motion Controller for distributed 1.5 axis motion control.
Features
Maximum performance
- 300% peak current performance pulse-duty overload
- Optimized control loops for high dynamic performance
- 62.5 μs current loop
- 250 μs position and speed loop
- Up to 16 kHz switching frequency
- Supports a wide range of feedback technologies including Quadrature, SinCos (including absolute), SSI, BiSS, EnDat (up to 4 Mb with EnDat 2.2) and resolvers
- Maximum performance package with high torque density, low inertia Unimotor hd servo motors
- Analog and pulse/direction control for centralized motion
- Advanced 1.5 axes Motion Controller, key features include:
- Real-time tasks
- 250 μs cycle time
- Motion profile generator
- Electronic gearbox
- Interpolated CAM
- 2 Homing functions
- High speed position freeze
Minimum size
- 1.6 in (40 mm) drive width and option bracket adds 0.86 in (22 mm), providing a highly competitive maximum drive width of 2.44 in (62 mm)
- Reduce cabinet height by directly stacking rows of drives. Patented Ultraflow™ technology expels heat directly outside of the cabinet through the rear of the drive (drive heat dissipation can also be achieved via vents on the top of the drive, as standard).
- Fits into cabinets just 8 inches (200 mm) deep
Easy installation and setup
- DIN rail alignment
- Kits for easy multi-axis installation
- Single motor cable and electronic motor name plate for fast set up
- Seamless motor-drive pairing with Unimotor hd servo motors
- Easy access pluggable connectors
- Rapid commissioning with the Connect PC tool and SD cards
- Machine Control Studio provides a flexible and intuitive environment for programming automation and motion control features
- Programmable with IEC61131 standard languages
Flexibility
- Two option slots for functionality extension and customization (see available option modules)
- Built-in RS485 communications
Safety on-board
- Reduced downtime with machine safety- Integrated dual safe torque off- Meets SIL3 (Safety Integrity Level 3) and PLe (Performance Level e)
Specifications
Approval & Listings
| cUL | USA and Canada (cUL Listed). UL File number: E171230 |
| CE | European Union (all applicable directives and regulations LVD, EMD, RoHS, REACH, Energy related products) |
| UKCA | United Kingdom (all applicable regulations) |
| RCM | Australia and New Zealand (Responsible Supplier Registration No. E6934) |
| EAC | Russian Customs Union. All Digitax HD models |
| KC South Korea | Certificate Nos: R-R-461-M751-03400160A |
| Functional Safety | Safe Torque Off function. TÜV Rheinland Type Examination Certificates: The safety function "Safe Torque Off" can be used in applications up to Cat 4. PL e according to EN ISO 13849-1, SIL 3 according to EN 61800-5-2/ EN 62061/ IEC 61508, and in lift applications according to EN 81-1 and EN81-2. |
| UL Functional Safety | Unidrive-M all products |
| Functional Safety | TÜV Nord certificates: |
| ISO | Quality system: ISO 9001 (Certificate Nos. FM 739405) |
| China RoHS | Chinese Order No. 32, 2016; Administrative Measures for the Restriction of Hazardous Substances in Electrical and Electronic Equipment (China RoHS 2), |
| EPA TSCA regulations | All Commander and Uni-M products |
| IHM, Basel convention, | MEPC 68/21 / Add.1, Annex 17, Resolution MEPC.269(68) 2015 Guidelines for the development of the inventory of hazardous materials. |
| Responsible Minerals Initiative (RMI) | CMRT compliance |
Functional Safety
All Unidrive M drives have integrated dual Safe Torque Off (STO) inputs, certified to SIL3 / PLe, providing an elegant and reliable safety solution.
The addition of an MiS210 safety option extends the built-in STO with the ability to safely monitor and/or restrict the scope of motion.
Safety functions include: STO, SBC, SOS, SS1, SS2, SLS, SSM, SLA, SDI, SLP & SES
For maximum flexibility in the safety system architecture, the modules support both wired and network safety connections: CIP-Safety on EtherNet/IP and Safety over EtherCAT (FSoE).
To find out more, visit our Functional Safety page.
Options
Keypads
 | Remote Keypad RTCThe keypad is remote mountable, allowing flexible mounting on the outside of a panel (meets IP54/NEMA 12). Three line plain text, multi-language LCD keypad for rapid set-up and helpful diagnostics. Battery operated real-time clock allows accurate time stamping of events, aiding diagnostics. |
 | KI Compact DisplayThe display (fitted on M753, optional on M751) ensures access to drive diagnostics even in the absence of network connectivity. Includes 2 rotary switches for hardware setting of the node address for faster commissioning of the motion network. |
 | KI-Compact 485 AdaptorThis allows the drive to communicate via RS485. This is commonly used for programming if the drive has no keypad. |
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