IDW-800T MFDC Spot Welding Controller for Automotive & Metal Hardware
The IDW-800T is a high-performance MFDC resistance welding power supply designed for industrial resistance welding applications requiring high current, precise control and consistent welding quality. With a maximum output current of 900A and a rated power of 180KVA, the system delivers stable welding performance for demanding production environments. As an advanced resistance spot welding controller, IDW-800T combines high-frequency inverter technology, intelligent welding control and comprehensive quality monitoring to improve production efficiency and welding consistency.
Operating at 1kHz or 4kHz, the IDW-800T high frequency resistance welding machine power system provides fast current response and precise energy control. Two control modes are available: constant peak current and constant conduction angle, allowing users to select suitable welding parameters according to different materials, workpieces and production requirements.
The three-stage welding function supports preheating, main welding and tempering processes. Operators can independently configure welding steps, current reduction and recycling times to optimize the welding process. This flexibility makes the IDW-800T suitable for various metal joining applications, including stainless steel, carbon steel, copper and other conductive materials.
For automated manufacturing, the IDW-800T supports multihead spot welding machine configurations and provides flexible integration with PLC systems and industrial robots. Three free program I/O outputs simplify external equipment connections, while RS-485 communication and optional RS-232 customization enable remote control and production-line integration. BCD code control further supports automated program selection.
- Equipped with remote programmer, It can realize external remote program settings.
- One working frequency (1KHz or 4KHz).
- Two control modes (constant peak current or constant conduction angle).
- 3 stages weldings: Preheating, weld, tempering. Regarding welding, you can set the stepping, reducing, and recycling times.
- Free program I/O outlets: Program 3 output, great connection with PLC, robots connection.
- Counting system: Welding qty, production qty, carton qty, electrode repairing qty are all covered. It improves the quality control of welding.
- Communication and BCD code control: It is ok to connect remote control, PLC etc. other remote digital control.
- Secondary toroidal coil displays real on time welding current which gives feedback to controller to adjust the accuracy of current.
- Easy Setting. It is ok to copy the same action data to be another line. It save time to set welding program.
- Limit control: 3 levels management.
- Data management: The current/ welding time/ voltage/ action code are stocked and USB copy to computer to study for quality checking and traceability.
- Alarm saving: The quality issue will be recorded to trace.
- Accuracy: 0.5%.
| Model | IDW-800T |
| Output Voltage | 3*380V +/-10%, 50/60Hz( Option 220V/440V Available) |
| Rated Power | 180KVA |
| Maximum Output Current | 0-900A/0-40KA |
| Inverter Frequency | 1KHZ or 4KHZ |
| Duty Cycle | 50% |
| Control Mode | constant peak current or constant conduction angle |
| Cooling Mode | Water Cooling |
| Communication Mode | RS-232/RS-485 |
| No-load Voltage | 9.8V |
| Valve Output | DC24V, ≤0.15A per channel |
| Solenoid Valve Output | 4 standard; 10 for gantry welders; up to 17 channels |
| Operating Temperature | -5℃ ~ +50℃ |
| Humidity | ≤80%, non-condensing |
| Heating Stage | 3 |
The secondary toroidal coil provides real-time welding current measurement, allowing the controller to monitor actual welding current and improve output accuracy. With 0.5% control accuracy, the system helps maintain stable welding quality and reduce inconsistent welds.
The IDW-800T also features comprehensive production management functions. Operators can monitor welding quantity, production quantity, carton quantity and electrode maintenance quantity. Welding current, welding time, voltage and operation codes can be stored and exported through USB for quality analysis and production traceability. Alarm records help identify welding problems, while 32 standard welding specifications can be extended to 256 programs for different products and welding processes.
Available models range from IDW-400L to IDW-3600, covering maximum output currents from 400A to 3600A. The power supply supports standard 380V three-phase input, with 220V and 440V options available.
The IDW-800T MFDC resistance welding power supply is an ideal solution for automotive components, new energy batteries, electrical contacts, metal hardware, wire products, electronic components and industrial assembly. Combining precise current control, high-frequency inverter technology and flexible automation integration, IDW-800T provides a reliable solution for manufacturers seeking higher productivity and consistent resistance welding quality.
