Product Specification of Micro Controller Based Spot Welding Controllers

• Application Area: 1. Precision Control of Resistance Spot Welding Machines of any capacity 0.1kVA to 300kVA.<br>2. Precision Control of Resistance Spot Welding Guns / Dual Guns etc. <br>3. Multi-Spot welding machines.<br>4. Retrofitting controls for any make / any capacity spot welders.
• Cool Time: 0-99 half cycles, Energy Level (W3), 0-99% programmable
• Energy Level: 0-99% programmable, Anneal Time (W3), 0-99 half cycles
• Key Features: 1. Non-Volatile Memory (EEPROM) to store up to 15 weld schedules.<br>2. Key lock switch provided for SET and RUN mode.<br>3. Precise time and energy control ensures consistent weld quality.
• Preheat Time: 0-99 half cycles, Cool (2) Time, 0-99 half cycles
• Slope: 0-9 half cycles, Hold Time, 0-99 half cycles
• Squeeze Time: 0-99 half cycles, Weld Energy (W2), 0-99% programmable
• Weld Time: 0-99 half cycles, Off Time (in repeat mode), 0-99 half cycles
• Input Power: 230V / 415V AC, 50Hz/60Hz
• Output: Gate- Cathode Drive signal to drive a pair of back to Back thyristors of any capacity.<br>OR<br>Built in back to back thyristors for up to 95A primary current.<br>Normally Open Relay contacts for Solenoid valves.
• Trigger: External Normally Open contacts of Footswitch. There are two options available:<br>Single / Double Initiation Footswitch<br>Two different schedules selectable by independent footswitches.<br>Option available for drive signal for two pairs of thyristors and two solenoid valves.