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

  1. Single or Two-level foot switch operation, single or dual schedule select.
  2. 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.

Welding Controls  |  UNITROL from Weld Systems Integrators

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