Unitrol SOLUTION-2 Weld Control

Affordable, programmable Resistance Welding Control that includes capability for the “Soft Touch” safety system.

There is now an affordable resistance welding control that combines all of the unique features of the original Unitrol Solution with additional functions that…

  • Eliminate the need for PLC controls
  • Provide 26 to 46 input/output functions
  • Eliminate complex codes
  • Do not require ladder logic programming
  • Allow you to simply do more complex things

SIMPLE – LOGICAL – POWERFUL

Think of the SOLUTION-2 programming as connecting a series of LINKS in a CHAIN. Each LINK of the CHAIN contains a PROGRAM.

Each PROGRAM consists of a complete set of instructions that you enter to operate valves, check inputs, and if desired, do a complete weld sequence (SQUEEZE, WELD, HOLD, etc.) There is space for 70 complete PROGRAMS in the SOLUTION-2 solid state (no battery) memory.

Notice that since the same PROGRAM can be used in any number of LINKS, it is only necessary to enter the repetitive operations one time.

The SOLUTION-2 then performs the selected PROGRAMS one LINK at a time. By selecting various operating modes, this sequence can be continuous, or can be interrupted at various points and continued as desired.

The SOLUTION-2 comes with the ability to store and use up to 15 different CHAINS.

Each CHAIN can have up to 45 LINKS.

Each LINK can select from 70 PROGRAMS in the control’s electronics memory.


The Easiest Way To Do Complex Welding Sequences

This advanced system, by Unitrol Electronics, allows fast and easy setting of even the most complex welding sequences with the minimum number of English language steps entered from a 17 button keypad. Absolutely no codes are required when programming the SOLUTION-2.

SOLUTION-2 comes complete with 32 digit alpha/numeric display and a security keyboard lock.

The powerful SOLUTION-2 can eliminate the need for a PLC on many complicated sequence welding systems!

Weld and valve sequences are programmed like LINKS in a CHAIN. Each of up to 45 LINKS can do any or all of the following:

  • Operate up to 16 solenoid valves
  • Fire any of up to 15 SCR contactors
  • Check condition of up to 5 pressure/limit/proximity switches
  • Wait for proper Tip Force from up to 16 pressure transducers
  • Monitor Weld Current
  • Weld with all RWMA sequences
  • Dwell between this link and the next
  • Stop after link and wait for switch closure to continue the chain

Benefits

Benefits For Multiple Weld Head Welding Systems:

  • Any program can be selected by use of a binary code input, or operate in a chain automatically with a single initiation
  • Makes up to 45 welds or sequences in each programmed chain
  • Sequences 4 (expandable to 16) solenoid valves in any order
  • Checks open or closed condition of 5 pressure/limit/proximity switches
  • Can operate up to 15 chains as selected by switch input
  • Allows use of same individual program unlimited times
  • A different weld schedule can be used for every weld from 70 in memory.
  • Counts complete finished parts
  • Contains Anti-tiedown/Anti-repeat system for use with double hand switch operation
  • Operates a water saver solenoid for 1 minute after last weld
  • Sends a signal at the end of each complete chain (EHR)
  • Controls Intensifier functions
  • Monitors and reacts to primary or secondary welding current (Optional Feature).
  • Prints data and fault indication on each weld (Optional Feature)
  • Contains up to 16 independent computerized steppers (Optional Feature)
  • Welds with any of up to 15 SCR contactors in any sequence (Optional Feature).
  • Monitors up to 16 Differential Pressure Transducers (Optional Feature).

Benefits For Single Head Pedestal Welders:

  • Allows welding of a complete part in one handling
  • Provides virtually unlimited welding sequences
  • Makes up to 45 welds in a programmed chain
  • Can use same individual program unlimited times for fast programming and editing
  • Provides proper weld schedule for each weld from 70 in memory
  • Controls 4 (expandable to 16) solenoids for clamp, retract, slide, etc.
  • Monitors up to 5 limit/pressure/proximity switches
  • Counts complete finished parts
  • Can utilize three double level foot switches to select three completely different chains
  • Contains Anti-tiedown/Anti-repeat system for use with double hand switch operation
  • Operates a water saver solenoid for 1 minute after last weld
  • Controls Intensifier functions
  • Monitors and reacts to secondary welding current (Optional Feature).
  • Has a differential pressure transducer to wait for correct tip force prior to the start of each weld (Optional Feature).
  • Prints data and fault indication on each weld (Optional Feature).
  • Prints data and fault indication on each weld (Optional Feature).
  • Increases welding heat on a computerized curve for welding of galvanized steel (Optional Feature).

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