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, Ohio, 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 216-475-5629.
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