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Intertron-Model
301B
3 Phase Frequency Converter
and
3 Phase Rectified D.C. Resistance Welding Controller
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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:
-
- 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
STANDARD FEATURES:
-
- Fixed timing functions, Tip travel 20 cycles, Precompression
4 cycles
- 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:
-
- 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
- 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
- Standard components supplied with each system:
- Welder controller cabinet
- Power distribution transformer
- Ignitron firing modules, or SCR firing modules
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OPTIONAL FEATURES AND COMPONENTS:
-
- 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
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