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3 Phase Frequency Converter and 3 Phase Rectified D.C. Resistance Welding
Controller
FEATURES
 | Unmatched Versatility |
| Programming in English. "No Codes." |
| 6 Months Memory Retention Without Power |
| Electronic Air Pressure Control |
| Programmable Slope Synthesizer |
| 3 Phase Line Voltage Compensator |
| 140 Weld Schedules Data Retention |
| Multiple Foot Switch Pedal Operation |
| Program Integrity Under Key Control |
| Data Storage on PC |
| Serial Interface to Other Computers |
| Interface With Automation Equipment |
| Intertron Scanner |
| Optional 9 Channel Data Aquisition System Model 304A |
| Motor Control with Wheel Encoder Feedback |
SPECIFICATIONS
- Welder controller cabinet with locking key, and containing the following:
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| 1 Monolithic front panel with a display of 68 digits and touch keypads
with visual tactile feedback. |
| 1 Display front panel printed circuit board. |
| 1 Processor printed circuit board, containing the microprocessor,
associated memory with battery backup, parallel and serial I/O ports,
variable baud rate, cassette interface circuits, visual INPUT/OUTPUT
diagnostics, computer memory diagnostics, independent 3 phase line voltage
monitoring and compensation, and the voltage generators for programming WELD
and FORGE pressure. |
| 1 Peripheral interface printed circuit board, containing the internal
power supplies, the solid state relays for valve solenoid operation, the
INTERTRON tranceiver, and the SCR/IGNITRON pulse amplifiers. |
- Physical Dimensions: 12 1/4"h x 20 1/2"w x 6 1/2"d
- Weight: 24 lbs.
- Operating temperature: 0 to 60 degrees Centigrade
- Input voltage and power consumption: 220/240/440/480 VAC 60HZ - 15 watts
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- STANDARD FEATURES:
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| Fixed timing functions, Tip travel 20 cycles, Precompression 4 cycles
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| Variable timing functions:
| SQUEEZE |
|
0-99 |
| PREHEAT |
Imp. - Cool - Heat - Heat % - Heat decay - Heat decay % |
0-99 |
| WELD |
Imp. - Cool - Heat - Heat % - Heat decay - Heat decay % |
0-99 |
| POST HEAT |
Imp. - Cool - Heat - Heat % - Heat decay - Heat decay % |
0-99 |
| QUENCH |
|
0-99 |
| TEMPER |
Imp. - Cool - Heat - Heat % - Heat decay - Heat decay % |
0-99 |
| HOLD |
|
2-99 |
| OFF |
|
0-99 |
| FORGE: |
Hi - Low - Var. Delay Start 000.0-999.9 |
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| Weld & Forge psi display: 00-99 |
| Operating Modes: SPOT - SEAM - ROLL (intermittent drive) |
| Control Features:
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| Weld/No Weld, Repeat/One Shot, Tip/Wheel Dress, Foot Switch Lock,
Motor ON and 110VAC/30VA Outputs for controlling up to seven valve
solenoids and relays |
| Water Saver Timer. Shuts itself off when head is raised. |
| Tip Arc Relay Control |
| Two Stage Foot Switch Inputs, direct connection up to four foot pedals
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| Interrupt input to halt control and sound internal alarm if detects
overheating, no water flow, or lack of adequate air pressure. (Detection
devices not included.) |
| Line Voltage Compensator manual override |
| Programmable Slope in all three modes for generating complex heat
waveforms |
| Weld schedule program under keylock. (Operator can vary % heat ±5% of
previous heat setting.) |
| Internal switch (jumper) selects Frequency Converter of Full Wave
Rectified D.C. operation. |
| Thumbwheel switch for instantaneous selection of 140 preprogrammed
weld schedules, with all variables parameters as viewed on the front panel
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| Standard components supplied with each system:
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| Welder controller cabinet |
| Power distribution transformer |
| Ignitron firing modules, or SCR firing modules |
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- OPTIONAL FEATURES AND COMPONENTS:
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| RS 232 download, store and edit weld schedules on PC |
| Electronic Air Pressure Controller model 350A with dual output, for
supplying pilot air pressure to WELD and FORGE air pressure regulators
Operating range: 05 psi to 90 psi
Resolution and Accuracy: ±0.5 psi
Physical dimensions: 10"h x 3"w x 10"l
Weight: 14 lbs.
Input air pressure: 120 psi typical |
| Interlock Scanner. It interlocks the operation of up to ten controllers
per scanner for sequential welding. |
| Interface for control from central computer |
| SCR firing package |
| IGNITRON firing package |
| Motor control with wheel surface speed encoder feedback |
| Model 304A Data Aquisition System |
MODEL 350A
ELECTRONIC AIR PRESSURE CONTROLLER
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A
World Of Resistance Welding