Do you have a question about the TECHTOP TD350 and is the answer not in the manual?
Defines terms like Danger, Warning, and Note for safety instructions and identifies qualified electricians.
Lists and explains warning symbols (Danger, Warning, Forbid, Hot, Electric Shock) used in the manual.
Provides essential safety guidelines for operating, installing, and maintaining the VFD.
Checks to be performed after receiving the product to ensure no damage or inconsistencies.
Verifies load type, motor current, control precision, grid voltage, and required extension cards.
Confirms ambient temperature, humidity, altitude, and absence of dust or gases for proper operation.
Checks input/output cables, peripheral accessories, grounding, spacing, and cleanliness after installation.
Steps for initial VFD commissioning, including motor type selection, autotuning, and parameter setting.
Explains the fundamental operation of the VFD in converting AC to DC and then to AC for motor control.
Details technical specifications including power input, technical control performance, and running control.
Describes the information found on the VFD product nameplate for identification and certification.
Explains how to interpret the VFD model code, breaking down its components and meanings.
Provides detailed rated specifications for different VFD models across various voltage and power ranges.
Illustrates the internal structure and components of the VFD, labeling key parts like keypad and terminals.
Covers the physical aspects of VFD installation, including environment, direction, and mounting modes.
Provides wiring diagrams and terminal layouts for the main power circuit of the VFD.
Details wiring diagrams and connection procedures for the VFD's control circuit.
Outlines measures to protect the VFD, motor, and cables from short-circuits and thermal overload.
Overview of the LCD keypad, its components, and basic functions for VFD control and parameter settings.
Describes the VFD display states: stop parameter, running parameter, and fault alarm.
Instructions on navigating menus, editing parameter lists, autotuning, system settings, and setup wizard.
Step-by-step guide for common commissioning tasks, including motor parameter setup and autotuning.
Explanation of vector control theory, its application to asynchronous and synchronous motors, and parameter tuning.
Details the V/F control mode, its suitability for certain loads, and various V/F curve settings.
Explains torque control and speed control modes, and how to set torque limits and frequency settings.
Guidance on setting motor parameters, including autotuning, dual motor support, and overload protection.
Describes the three start/stop control states and available start modes like DC brake and speed-tracking.
Explains frequency reference modes, including main and auxiliary channels, and their configuration.
Details the analog input terminals (AI1, AI2) and high-speed pulse input terminals (HDI) for signal configuration.
Describes the four programmable digital input terminals and two HDI input terminals for flexible configuration.
Covers relay outputs, open collector Y output, and high-speed pulse HDO output terminal functions.
Explains the Simple PLC feature for multi-step speed generation and automatic frequency/direction control.
Details PID control principles and its application in VFDs for process regulation.
Describes the wobbling frequency function, its applications in textile/chemical industries, and related parameters.
Details the pulse count function using HDI high-speed pulse ports for position and speed measurement.
Guides on commissioning position control, spindle positioning, digital positioning, and photoelectric switch positioning.
Explains how alarms and faults are indicated via keypad display and TRIP indicator.
Lists common VFD faults, their possible causes, and corrective measures for troubleshooting.
Provides solutions for interference issues affecting sensors, communication, and VFD operation.
Diagnostic flowcharts for troubleshooting common VFD issues like motor failure, vibration, and overcurrent.
Routine maintenance schedule covering ambient environment, voltage, keypad, and main circuit checks.
Instructions for replacing the cooling fan, including safety precautions and fan installation steps.
Details capacitor reforming procedures for VFDs left unused and electrolytic capacitor replacement.
Instructions for checking power cable connections and ensuring secure installation.
Recommendations for configuring circuit breakers and contactors for VFD overload protection.
Information on using AC reactors for power factor improvement and DC reactors for motor characteristics.
Guidance on selecting and using input and output filters for EMC compatibility.
Details brake system components, selection criteria, and installation procedures.
Overview of the Modbus protocol, its transmission modes (ASCII, RTU), and network structure (master-slave).
Explains Modbus application scenarios, including RS485 interface details and network configurations.
Details the RTU communication mode, including frame structure and error check mechanisms.
Describes Modbus RTU command codes (03H, 06H, 10H) for reading/writing data and examples.
Lists common communication issues like no response or exception responses and their potential causes.
Explains the model naming convention for various extension cards (PG, PC, IO, TX).
Provides dimensions and installation principles for extension cards, including slot usage and wiring considerations.
Illustrates wiring diagrams for grounding shielded cables and connecting extension cards.
Details the terminals and functions of the IO extension card, including digital and analog I/O.
Describes the capabilities of the programmable extension card, including PLC functions and I/O.
Information on Bluetooth (EC-TX501) and WIFI (EC-TX502) cards, including indicators and setup.
Details the PROFIBUS-DP communication card, including connector pin functions and indicator definitions.
Covers PG extension card types like Sin/Cos, UVW, Resolver, and Multi-function incremental PG cards.
Explains capacity selection and derating factors for VFDs based on temperature, altitude, and carrier frequency.
Provides data on motor types, voltage, short-circuit protection, and EMC compatibility with motor cable length.
Outlines EMC requirements for VFDs according to EN 61800-3, including application environment and VFD categories.
Illustrates the physical structure of the VFD keypad, its dimensions, and installation bracket options.
Provides an exploded view of the VFD, showing the arrangement of internal components.
Details wall-mounting and flange installation dimensions for 220V and 460V VFDs.
Provides wall-mounting and flange installation dimensions for 575V VFDs.
Shows external wiring diagrams for connecting VFDs with common peripheral accessories.
Refers to electrical installation guidelines for ensuring VFD voltage class matches the grid.
Specifies requirements for input power, motor, and control cables, including size and arrangement.
Guidance on selecting and configuring circuit breakers and contactors for VFD overload protection.
Information on using AC reactors for power factor improvement and DC reactors for motor characteristics.
Guidance on selecting and using input and output filters for EMC compatibility.
Details brake system components, selection criteria, and installation procedures.
Describes input states (H1, H2) and their corresponding STO faults (STL1, STL2, STL3, STO).
A checklist to ensure proper installation and testing of the Safe Torque Off (STO) function.
Information on contacting TECHTOP offices for product inquiries and support.
Encourages user feedback and provides contact methods for manual improvements.