Nidec Control Techniques Inverter Unidrive M400

Nidec Unidrive M400

Nidec Unidrive M400

High Performance Drives

0.25 – 132 kW (0.33 – 200 hp)
100 V | 200 V | 400 V | 575 V | 690

 

Optimised throughput and energy efficiency in industrial applications

Unidrive M400 is exceptional at combining the ease of use of our general purpose range with the capabilities of our high performance Unidrive M Series.

Add in an impressive I/O count, dual Safe Torque Off (STO) and integrated PLC, all of which contribute to making the M400 an extremely capable drive.

 

  • Features

    Minimize downtime and system set-up time with advanced keypad options

    • Informative, multi-language, 3 line display aids set up and provides diagnostic information
    • 4 navigation buttons facilitate intuitive navigation and programming
    • Keypad options available:
      • CI Keypad – Drive mounted LCD keypad
      • Remote IP66 keypad – rapid panel mount (1 x 32mm Ø hole)
      • No Keypad – Control/programming performed by PC or fieldbus

    Reduced system costs by directly integrating with applications

    • M400 incorporates an onboard PLC which can execute Machine Control Studio (IEC61131-3) programs for logic and sequencing with real-time tasks – removing the need for additional PLC’s
    • Fit an SI module to add a fieldbus communications option or additional I/O

    Improve throughput with advanced openloop motor control algorithms

    • Rotor Flux Control (RFC-A) gives maximum stability and control of induction motors at all powers
    • 180% motor overload suitable for heavy industrial machinery applications
    • Precise frequency following is possible from an encoder or frequency/direction inputs

    Conform to safety standards, maximize uptime and reduce costs by integrating directly with safety systems

    • M400 has integrated dual STO inputs for SIL3 / PLe conformity, eliminating the need for external safety components

     

Specifications

Key data

  • Heavy Duty rating: 0.25 – 110 kW (0.33 – 150 hp)
  • Supply phases:
    • Size 1 to 4: 110 V drives – 1 phase, 230 and 400 V drives – 1 or 3 phase
    • Size 5 upwards: 3 phase

Standard features

Intelligence:

  • Onboard PLC

Feedback:

  • Encoder input – Speed follower

Machine safety:

  • 2 x Safe Torque Off terminals
    SIL3/PLe compliant

Keypad:

  • No keypad as standard

Option slots:

  • 1 (Size 2 and above)

Parameter cloning via:

  • PC tools
  • SD card with AI Smart Adapter

 

VOLTAGE RATINGS
100 V (100 V – 120 V ± 10%) ✓
200 V (200 V – 240 V ± 10%) ✓
400 V (380 V – 480 V ± 10%) ✓
575 V (500 V – 575 V ± 10%) ✓
690 V (500 V – 690 V ± 10%) ✓

 

CONTROL MODE
Open loop vector or V/Hz induction motor control ✓
Open loop Rotor Flux Control for induction motors (RFC-A) ✓
Open loop permanent magnet motor control (RFC-S)
Closed loop Rotor Flux Control for induction motors (RFC-A)
Closed loop permanent magnet motor control (RFC-S)
Active Front End (AFE) power quality convertor

 

FRAME SIZE DIMENSIONS (H X W X D) WEIGHT
mm in kg lb
1
160 x 75 x 130
DIN rail mounting*
137 x 75 x 130
6.3 x 3.0 x 5.1

DIN rail mounting*

5.4 x 3.0 x 5.1
 0.75 1.65
2
205 x 75 x 150

DIN rail mounting*

180 x 75 x 150
8.1 x 3.0 x 5.9
DIN rail mounting*
7.1 x 3.0 x 5.9
 1.0 2.2
3 226 x 90 x 160 8.9 x 3.5 x 6.3 1.5 3.3
4 277 x 115 x 175 10.9 x 4.5 x 6.9 3.13 6.9
5 391 x 143 x 192 15.4 x 5.6 x 7.6 7.4 16.3
6 391 x 210 x 221 15.4 x 8.3 x 8.7 14 30.9
7 557 x 270 x 280 21.9 x 10.6 x 11.0 28 61.7
8 803 x 310 x 290 31.6 x 12.2 x 11.4 52 114.6
9A 1108 x 310 x 290 43.6 x 12.2 x 11.4 66.5 146.6
9E 1069 x 310 x 288 42.1 x 12.2 x 11.3 46 101.4

 

All dimensions include mounting brackets except for the DIN rail alternative for frames 1 and 2.

*Additional fixings required to maximize security

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Nidec Unidrive M400

The all-rounder drive of choice for OEMs

Minimise downtime and system set-up

The Unidrive M400 is designed with special attention to robustness and reliability. The multi-language, 3 line display, together with the intuitive navigation buttons aid set up and fast diagnostics.
Improve throughput with advanced open-loop motor control algorithms

The Rotor Flux Control (RFC-A) mode gives maximum stability and control over induction motors at all powers.
Reduce system costs by directly integrating with your applications

The M400 incorporates an onboard PLC which can execute Machine Control Studio (IEC61131-3) programs for logic control, sequencing, speed following and digital lock – removing the need for additional PLCs.
An optional System Integrator module can be fitted to the drive for additional I/O or fieldbus communications.
Conform to safety standards by direct safety system integration

Unidrive M400 drives have integrated dual Safe Torque Off (STO) inputs, certified to SIL3 / PLe, providing an elegant and reliable safety solution.

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