For DC spot welding / fusing: IS-800A/1400A
Features
- ■ Primary current PEAK control enables detailed parameter settings.
- The control features below are only available when Primary current PEAK is selected.
- Voltage compensation
It is to adjust set values for Pulse limit depending on primary voltage fluctuation before welding.- When 190VAC (-5%), pulse width set for Pulse limit is adjusted to increase 5%.
- When 210VAC (+5%), pulse width set for Pulse limit is adjusted to decrease 5%.
- Pulse limit
This is to limit pulse width when current is up-sloping.
- Voltage compensation
- ■ Ground fault and short-circuit protections ensure the safety better.
- ■ Adjustable welding frequency from 600 to 3000kHz with 100Hz increment.
- ■ Program protect feature prevents false operation due to unintended touches to the screen.
- ■ Up to the third welding is controllable. Pulsation and other control modes can be set for each welding.
- ■ Interrupt feature
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Interrupt feature functions when a displacement amount reaches up to set level and stops current to obtain stable fusing. For this feature, it needs to be connected with a weld checker with a built-in displacement monitor and set a displacement amount of electrodes beforehand.
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- ■ Six kinds of control methods
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Select an optimal control method for an application: Primary current effective value control, secondary current effective value control, secondary power effective value control, Primary current peak value control, secondary voltage effective value control, and constant phase control.
- ■ Three kinds of monitoring
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Current, voltage, or power can be monitored.
- ■ Safety features
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Overcurrent detector, no-current/no-voltage detector, heat abnormality detector, and self-check feature protect your safety.
- ■ Two kinds of welding time unit
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ms or cycle can be selected.
- ■ Duty factor and Output current
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- ■ Samples
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Specifications
| Model | IS-800A | IS-1400A | |
| Power requirements | ・Three phase, 380-480VAC (50/60Hz)10% ・Three phase, 200-240VAC (50/60Hz)10% |
・Three phase, 380-480VAC (50/60Hz)10% ・Three phase, 200-240VAC (50/60Hz)10% |
|
| Maximum output current | 800A (3%) | 1400A (3%) | |
| Number of schedules | 255 | ||
| Output frequency | 600Hz to 3kHz | ||
| Control method | Primary current RMS/ Secondary current RMS/ Secondary power RMS/ Primary current PEAK/ Secondary voltage RMS/ Constant phase | ||
| Timer setting | msec mode cyc mode | ||
| SQUEEZE DELAY | 0000 to 9999ms 000 to 999cyc | ||
| SQUEEZE | 0000 to 9999ms 000 to 999cyc | ||
| UP SLOPE 1,2,3 | 000 to 999ms 00 to 50cyc | ||
| WELD 1,2,3 | 000 to 999ms 00 to 50cyc | ||
| DOWN SLOPE 1,2,3 | 000 to 999ms 00 to 50cyc | ||
| COOL 1,2 | 000 to 999ms 00 to 99cyc | ||
| HOLD | 00000 to 20000ms 000 to 999cyc | ||
| OFF | 0 or 0010 to 9990ms 00 to 99cyc | ||
| Transformer turn ratio | 1.0 to 199.9 | ||
| Pulsation setting | 01 to 19 | ||
| Valve setting | 2 | ||
| Setting range (1)Constant current (2)Constant power (3)Constant voltage (4)Constant phase |
(1)0.05 to 40.0kA (2)0.05 to 60.0kW | (1)0.05 to 80.0kA (2)0.05 to 120.0kW | |
| (3)0.20 to 9.99V (4)10.0 to 99.9% | (3)0.20 to 9.99V (4)10.0 to 99.9% | ||
| Current monitor | HIGH 0.00 to 9.99kA / LOW 0.00 to 9.99kA | HIGH 00.0 to 99.9kA / LOW 00.0 to 99.9kA | |
| Power monitor | HIGH 0.00 to 9.99kW / LOW 0.00 to 9.99kW | HIGH 00.0 to 99.9kW / LOW 00.0 to 99.9kW | |
| Voltage monitor | HIGH 0.00 to 9.99V / LOW 0.00 to 9.99V | ||
| Pulse width monitor | 10 to 100% | ||
| Installation environment |
Ambient temp. | +5 to +40℃ | |
| Max. humidity | 90% (No condensation) | ||
| Max. altitude | 1000m or below | ||
| Mass | 38kg | 60kg | |
Transformers that are selectable
| For IS-800A/1400A | ||||
| Model | SIT-F241-HC | MIR109-69060 | MIR115-39060 | |
| Rated capacity | 75kVA (50%) | 90kVA | ||
| Rated primary voltage | 300V | 600V/650V | 300V/325V | |
| No-load secondary voltage | 12.5V | 10.9V/11.8V | 11.5V/12.5V | |
| Transformer turns ratio | 24:1 | 55:1 | 26:1 | |
| Input frequency | 1kHz | 600Hz/1kHz | ||
| Maximum welding current | 14400A | 18000A | ||
| Duty cycle | 10% | |||
| Cooling method | Water - coded | |||
| Mass | 35kg | 21kg | 23kg | |
| Dimensions (mm) * | 240 (W) × 481 (D) × 180 (H) | 167 (W) × 365 (D) × 155 (H) | 167 (W) × 435 (D) × 155 (H) | |
* Include projections
It's one of examples. Thare are some transfomers that are able to use with the power supply.
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