UNITROL SOLUTION #9380
UNITROL Solution 9380 – Frequency Converter Control Specifications
| STD. FUNCTION | OPERATION | RANGE | APPLICATION |
|---|---|---|---|
| WELDING MODES | SPOT, SEAM, ROLL-SPOT | – | Operates selected welding mode |
| COUNTER | Counts welds or finished parts | 0 – 65,500 | Production control |
| TIP ARC CONTACTOR | Shorts transformer windings | – | Eliminates arcing at electrodes |
| KEYBOARD KEYLOCK | Prevents program changes | – | Eliminates unauthorized changes |
| RETRACT | Operates RETRACT solenoid | – | Sets large or small electrode opening |
| KEY LOCK RAM FCTN. | Can operate key locked rams | – | Locks retract head on Sciaky-type welders |
| DUAL HEAT | Two independent weld schedules from the 75 in memory | – | Welding two thickness combinations in one handling |
| SQUEEZE TIME | Dwell before firing | 0-99 cycles | Fire after electrodes are closed |
| WELD | Main weld heat | 0-99 cycles 0-99 impulses 0-99% heat 0-99 cool cy. |
Main heat for all welding programs |
| DECAY-WELD | Ramp down of heat after weld | 0-99 cycles 0-99% heat |
Control heat cracking; Smooth transition between impulses |
| HOLD TIME | Dwell after welding | 0-99 cycles | Allows nugget to cool |
| SCHEDULE MEMORY | Instant recall of complete welding schedules | 75 complete schedules | Instant setup for welding of common metal combinations |
| PREHEAT | Heat sequence before weld | 0-99 cycles 0-99 impulses 0-99% heat 0-99 cool cy. |
Controls heat when welding heavy parts |
| DECAY-PREHEAT | Dynamic lowering of heat after preheat | 0-99 cycles 0-99% heat |
Control heat cracking; Smooth transition between impulses |
| QUENCH & TEMPER | Cool and reheat at end of welding sequence | 0-99 cycles 0-99 impulses 0-99% heat 0-99 cool cy. |
Reduces brittleness in high carbon steels |
| REPEAT | Automatic opening & closing of tips while initiation is closed | 0-99 cycles | Allows “automatic” operation of welder on long rows of repetitive welds |
| WATER SAVER DRIVER | Operates water saver solenoid | 1 minute | Turns water off 1 minute after last weld |
| TIP FORCE | Calculate needed pressure | 0-9,999 lb | Fast setups for WELD and FORGE |
| PRECOMPRESSION, POSTCOMPRESSION | Timed high pressure before first heat | 0-99 cycles ON 0-99 cy delay |
Lowers surface resistance at start of weld for consistency |
| FORGE DELAY | Timed delay of high pressure | 0-99 cycles | Reduces nugget internal cracking |
UNITROL Solution 9380 – Frequency Converter Control Specifications
| OPTIONAL FUNCTION | NUMBER | OPERATION | RANGE | APPLICATION |
|---|---|---|---|---|
| DIFFERENTIAL PRESSURE TRANSDUCER | 9381-05 | Starts weld when program-selected TIP FORCE is reached | 1-9,999 lb WELD 1-9,999 lb FORGE |
Precision TIP FORCE at beginning of each weld. Verification at end of weld |
| 24VDC OUTPUT | 9381-30 | SUPPLY 24VDC FOR VALVES | – | Drives 24VDC solenoid valves on welder |
| ELECTRONICALLY-SET PRESSURE REGULATOR | 9381-16 (dual) 9181-16 (single) |
Keypad set of WELD and FORGE forces from program lines | 0-99 psi | Eliminates manual pressure regulator setting |
| WELD CURRENT MONITOR | 9181-22B | Warns each weld if current is out of range. Locks electrodes closed | 0-150,000A | Quality control of every weld |
| PRINTER / COM. PORT | 9181-21A 9181-21/4 |
Serial port for data export | RS-232 RS-485 | Data logging of welding current and tip force |
INITIATION MODES
- Single or Two-level foot switch operation, single or dual schedule select.
- Dual hand switch anti-tiedown, single or dual schedule select.
ELECTRICAL SPECIFICATIONS 208 – 575V, 3 Ø, 60/50Hz
Contact Weld Systems Integrators
Weld Systems Integrators (WSI) is your complete source for standard and custom resistance welders, consumables, spare and replacement parts and value added services. We offer WORLDWIDE shipping from our Warrensville Heights, OH location.
CONTACT Weld Systems Integrators, or REQUEST A QUOTE on standard IN-STOCK inventory or fully custom welding equipment. To speak with a WSI team member, please give us a call at 844-WSI-WELD or +1-216-475-5629.
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