Contents
Foreword.......................................................1 Chapter 6 Parameter Description...53
Chapter 1 Safety and Precautions...........5 Group F0 Basic parameters.................53
1.1 Safety issues............................................5 Group F1 Motor Parameters.................59
1.2 Precautions..............................................7 Group F2 Vector and VF Control
Chapter 2 Product Information...............10 Parameters...........................................61
2.1 Designation Rules..................................10 Group F3 Terminal input/output............63
2.2 Nameplate..............................................10 Group F4 Start/Stop Control Parameters66
2.3 MD300 Inverter Series...........................11 Group F5 Fault and Protection.............67
2.4 Technical Specification..........................12 Group F6 Auxiliary Function.................69
2.5 Configuration and Dimensions...............15 Group FF Factory Parameters (Reserved)
2.6 Options and Accessories.......................18 ..............................................................73
2.7 Routine Maintenance of inverter............19 Group FP User Password.....................73
2.8 Instructions on Warranty of Inverter.......20 Chapter 7 EMC (Electromagnetic
2.9 Prototyping Guide..................................20 Compatibility)......................................74
2.10 Guide to Prototyping of Brake Components 7.1 Definition........................................74
.....................................................................21 7.2 EMC Standard Description.............74
Chapter 3 Mechanical and Electrical 7.3 EMC Introduction............................74
Installation..................................................23 Chapter 8 Troubleshooting and
3.1 Mechanical installation...........................23 Countermeasures...............................78
3.2 Electrical Installation..............................27 8.1 Fault Alarm and Countermeasures.78
Chapter 4 Operation and Display...........37 8.2 Common Fault and Resolutions.....89
4.1 Introduction to Operation and Display Attachment Non-standard
Interface.......................................................37 Specification........................................90
4.2 Description of Function Code Viewing and Attachment A: MD300 Frequency Switching
Modification Methods...................................38 – Line Speed Displaying Non-standard
4.3 Method of Viewing Status Parameter.....39 Function Specification...........................90
4.4 Password Setting...................................39 Attachment B: MD300 with FDT Function
4.5 Automatic Tuning of Motor Parameters..40 Non-standard Specification...................91
Chapter 5 Function Parameter Table.....41Foreword
Foreword
MD series inverter is a new MD Series Inverter
generation of high-performance
Specialized Top-layer
modular inverter launched by Industrial Module Module
Shenzhen Inovance Technology Co.,
Traditional General-Purpose Middle-layer
Ltd, which represents the future Inverter Module Module
development direction of the inverter.
Unlike traditional inverters, MD series H Mi og th o- rP Ce orf no tr rm olance B Mo ot dto um le-layer
Module
inverter creates a customized platform
through modular design and flexible Fig.1 Comparison between Traditional
combination of multiple modules of Inverter and MD Series Modular Inverter
single series inverter based on 1) The bottom-layer module of the
different customer requirements for MD series inverter is high-performance
functions and performances. motor control module and consists of
MD series inverter creates three V/F, non-speed sensor vector control
new concepts in the future inverter (SVC) and vector control. It is mainly
sector: responsible for high performance
1. It firstly creates the three-tier control and overall protection of the
modular structure standard for new motor, controlling the motor through
generation of inverter as shown in sending running commands to multiple
Fig.1. channels or performing close loop
2. It firstly makes the physical vector control through encoder
standard for distinguishing the main interface.
modules, such as motor drive, general 2) The middle-layer module of MD
function and special function, from the series inverter is general functional
sub-modules as shown in Fig.2. module, which mainly includes some
3. It leads the new industry trend of basic functions of the inverter, such as
popularizing the vector control PID control, MS speed, swing
technology. frequency and other general functions.
Such concepts will bring about According to the degree of complexity
profound influences on the inverter of functions, Shenzhen Inovance
industry. Technology Co., Ltd provides two
The modular structure is described as sub-modules for options of the
follows: customers, namely, MD320 functional
module and MD300 functional module.
Refer to Table 1 for the difference
between the two modules.
-1-Foreword
Table 1 Difference between MD300 and MD320 Functional Modules
MD320 MD300
5×DI (bidirectional input
and one high-speed 4×DI (single directional input, one
Input/output terminal port),2×AI，2×DO (one high-speed port), 2×AI，1×DO，1×AO，
high-speed port), 1×AO， 1×Relay
1×Relay (expandable I/O)
Control mode SVC, VC and V/F SVC and V/F
Multiple-point fold line mode, which is
Analog reference
Straight line mode easy to realize the functions of the
mode
injection molding machine
Be able to realize 16S
MS speed Be able to realize 4S speed
speed
Be able to realize 16S
Simple PLC None
timing operation
Swing frequency and
Available None
fixed-length control
Main/auxiliary Main/auxiliary reference
Only A12 can be auxiliary reference
reference of any channel
Communication
Via the expansion card Via the specialized card
function
PID control Available None

MD300 Series Variable Frequency Drive (VFD) User Manual (English) The MD300 series variable frequency drive is a high-performance, versatile electrical drive designed for various industrial applications. This comprehensive user manual in English provides detailed information and instructions on the setup, operation, and maintenance of the MD300 VFD. Key contents of the manual typically include: 1. **Introduction**: An overview of the MD300 series, its features, benefits, and compatibility with different types of induction motors. Information about the product's architecture, communication protocols, and supported control modes. 2. **Safety Precautions**: Guidelines for handling and installing the VFD to ensure personal safety and system integrity, including warnings, precautions, and emergency shutdown procedures. 3. **Electrical Connection**: Instructions for wiring the VFD to the motor, including diagrams, terminal identification, and polarity requirements. 4. **Parameter Settings**: A comprehensive guide to configuring parameters such as motor data input, speed control options, vector control settings, acceleration/deceleration profiles, and energy-saving features. 5. **Operation Modes**: Detailed explanations of the various operating modes like torque control, voltage/frequency control, and vector control, along with their respective applications and setup processes. 6. **Troubleshooting Guide**: Common issues faced during operation, their causes, and suggested solutions or diagnostic steps to resolve them. 7. **Maintenance & Service**: Recommendations for routine inspections, cleaning, and replacement procedures for components like capacitors, filters, and fuses. Information on how to perform basic故障排查和自我诊断。 8. **Technical Data**: Specifications and performance characteristics of the MD300 series VFD, including power ratings, efficiency, and cooling requirements. 9. **Appendices**: Additional resources such as wiring diagrams, software versions, and contact details for customer support. To access the actual content of the MD300 series变频器用户手册, please refer to the manufacturer's website or obtain a physical copy from a distributor or authorized service provider.