Unidrive M300 AC Drives

Enhanced throughput with machine safety, communications, and built-in PLC

Unidrive M300

0.33 hp – 200 hp (0.25 kW – 132 kW) Normal Duty
0.33 hp – 150 hp (0.25 kW – 110 kW) Heavy Duty

115 V | 208 - 240 V | 380 - 480 V | 575 V | 690 Vvfd_unidrive_m300

Control Techniques’ Unidrive M300 variable frequency AC drive (VFD) provides flexible integration with safety and communications. Unidrive M300 is ideal for applications that require cost-effective integration into safety systems.

With dual Safe Torque Off (STO) inputs, onboard PLC and an SI interface for an industry standard fieldbus, Ethernet, or extended I/O options, this feature set ensures flexible integration with any system. An AI-485-ADAPTOR and AI-485-24V-ADAPTOR is available to provide additional Modbus RTU communications. Additionally, the AI-485-24V-ADAPTOR provide an input for 24 V backup.

  • Features
    Conform to safety standards, maximize uptime and reduce costs by integrating directly with safety systems
    • Unidrive M300 has integrated dual STO inputs for SIL3 / PLe conformity, eliminating the need for external safety components.

    Enhance up-time and system flexibility
    • Flexible system integration and remote diagnostics through optional industrial Ethernet and fieldbus communications SI option modules
    • Flexible I/O that is expandable with SI-I/O option module
    • Unidrive M300 incorporates an onboard PLC which can execute Machine Control Studio programs for logic and sequencing with real-time tasks - removing the need for additional PLC's

    Complete IEC 61131-3 programming environment
    • Structured text (ST), function block (FBD), sequential function chart (SFC), ladder diagram (LD), instruction list (IL), and continuous function chart (CFC)

    Improve throughput with advanced open-loop motor control algorithms
    • Rotor Flux Control (RFC-A) provides exceptional induction motor control and high stability for demanding applications
    • S-ramp accel / decel profiling provides smooth speed transitions to minimize “jerk”
    • 180% motor overload suitable for heavy industrial machinery applications

    Install and configure quickly and easily
    • Simple bright LED keypad
    • Useful parameter guide located on the front of the drive
    • Use Unidrive M Connect or an SD card with the AI-BACKUP-ADAPTOR or AI-SMART-ADAPTOR to clone and transfer parameter sets
    • DIN rail alignment is supported below 2 hp (1.5 kW)

  • Specifications
    Key Data

    Heavy Duty ratings:

    • 115 V: 0.33 hp to 1.5 hp (0.25 kw – 1.1 kW)
    • 230 V: 0.33 hp to 75 hp (0.25 kW – 55 kW)
    • 460 V: 0.5 hp to 150 hp (0.37 kW – 110 kW)
    • 575 V: 2.0 hp to 125 hp (1.5 kW – 90 kW)
    • 690 V: 20 hp to 150 hp (15 kW – 110 kW)

    Normal Duty ratings:

    • 115 V: 0.33 hp to 1.5 hp (0.25 kw – 1.1 kW)
    • 230 V: 0.33 hp to 100 hp (0.25 kW – 75 kW)
    • 460 V: 0.5 hp to 200 hp (0.37 kW – 132 kW)
    • 575 V: 2.0 hp to 150 hp (1.5 kW – 110 kW)
    • 690 V: 20 hp to 175 hp (15 kW – 132 kW)

    Supply phases:

    • Frame size 1 to 2: 115 V - 1Ø | 230 V - 1Ø or 3Ø
    • Frame size 3 to 4: 230 V - 1Ø or 3Ø | 460 V - 3Ø
    • Frame size 5 to 6: 230 V - 3Ø | 460 V - 3Ø | 575 V - 3Ø
    • Frame size 7 and up: 230 V - 3Ø | 460 V - 3Ø | 575 V - 3Ø | 690 V 3Ø

    Control connections: 4x Analog I/O, 7x Digital I/O, 2x STO, 1x Relay

    Intelligence: Onboard PLC

    Drive rating: IP21 / UL open class, UL type 1 with conduit box kit

    Machine Safety: Dual Safe Torque Off input terminals

    Keypad: Bright LED keypad

    • Remote-Keypad: Remote mountable, plain-text, multi-language LCD keypad allows flexible mounting outside of a panel and meets IP66 (NEMA 4)
    • Remote-Keypad-RTC: The keypad is remote mountable, enabling 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.

    System Integration options slots: 1, frame size 2 and up

    Parameter cloning: PC Tools, SD card with AI-BACKUP-ADAPTOR or AI-SMART-ADAPTOR

     

    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 W)

    WEIGHT
    kg(lb)

    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 x12.2 x 11.4 66.5 146.6
    9E 1069 x 310 x 290 42.1 x 12.2 x 11.4 46 101.4


    *All dimensions include mounting brackets except for the DIN rail alternatives for frame size 1 and 2.

  • Options
    Keypad

    Control Techniques Remote Keypad
    Remote keypad

    Remote mountable, three line, plain text, multi-language LCD keypad for rapid setup and helpful diagnostics maximizes machine up-time. This allows flexible mounting on the outside of a panel and meets IP66 (NEMA 4); requires RS485 connection.

    Remote-Keypad-RTC
    Remote Keypad RTC
    The keypad is remote mountable, allowing flexible mounting on the outside of a panel (meets IP54/ NEMA 12). Three line multi-language plus custom text LCD keypad for rapid setup and helpful diagnostics. Battery operated real-time clock allows accurate time stamping of events, aiding diagnostics. Requires RS485 connection.

    System Integration Modules - Communications

    SI-PROFIBUS
    SI-PROFIBUS

    PROFIBUS interface module

    SI-DeviceNet
    SI-DeviceNet

    DeviceNet interface module

    SI-CANopen
    SI-CANopen

    CANopen interface module supporting various profiles, including several drive profiles.

    SI-Ethernet
    SI-Ethernet

    Ethernet module that supports EtherNet/IP and Modbus TCP/IP

    SI-EtherCAT
    SI-EtherCAT

    EtherCAT interface module

    SI-PROFINET
    SI-PROFINET V2

    PROFINET RT interface module


    System Integration Modules - Additional I/O

    SI-IO-system-integration-option-module

    SI-I/O

    Extended I/O interface module to increase the number of I/O points on a drive. Provides additional: 4 x Digital I/O, 3 x Analog inputs (default)/Digital inputs, 1 x Analog output (default)/Digital input, 2 x Relays


    Drive interface units - Backup

    AI-Backup-Adaptor
    AI-Backup Adaptor

    Port adaptor for SD card parameter cloning, and an input for 24 V back-up. SD card ordered separately

    AI-Smart-Adaptor
    AI-Smart Adaptor

    Has built-in 4 GB memory for parameter cloning, and an input for 24 V back-up.


    Drive Interface units - Communications

    AI-485-Adaptor
    AI-485 Adaptor

    RS485 Adaptor for Modbus RTU communications.

    AI-485-Adaptor
    AI-485-24V-ADAPTOR

    RS485 Adaptor for Modbus RTU communications with 24 V backup connections

    Control Techniques USB Cable
    CT USB Comms Cable

    The USB Communications cable allows the drive to connect to a PC for use with Unidrive M's PC tools via a Modbus RTU adaptor.

     

     

  • Software
    Commissioning and monitoring software

     Control Techniques Unidrive M Connect Software

    Unidrive M Connect - Commissioning tool

    Based on Control Techniques’ 25 years experience, Unidrive M Connect is our latest drive configuration tool for commissioning, optimizing and monitoring drive/system performance

    Learn More

    Automation and motion programming software

    Control Techniques Machine Control Studio Software

    Machine Control Studio - Programming Tool

    Control Techniques Machine Control Studio provides a flexible and intuitive environment for programming Unidrive M’s new automation and motion control features

    Learn More

    HMI software
    Control Techniques HMI Software
    CTVue HMI Software

    Control Techniques CTVue human interface software tool enables the operator to easily configure drive-related control variables.

    Learn More

     

  • Downloads
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