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     A World Of Resistance Welding     

  Resistance/Spot Welding Specialists 

Equipment, Parts, Service and Training

 

302A

 

3 Phase Resistance Welding Controller

FEATURES
bullet3 Phase Frequency Converter
bullet3 Phase Rectified D.C.
bulletSpot Weld - Seam Weld - Rollspot Weld
bulletFully Programmable 16 Weld Schedules
bulletPulsating Heat Control
bulletProgrammable Forge Control
bulletIntermittent Drive Motor On/Off Control
bullet5 Years Memory Retention Without Power
bulletScanner Interlock










 

 
 
 
PERFORMANCE
bulletAbsolute Repeatability
bulletQuartz Crystal Accuracy
bulletSpace Age Design and Rugged Construction
SPECIFICATIONS
bulletINPUT POWER: 200 VAC to 480 VAC 60 Hz
bulletAC OUTPUT TO VALVES: 115 VAC 150 VA
bulletSolid State Contactors Available in Ranges from 1200 Amps to 3200 Amps
bulletIgnitron Firing Module to Fire Ignitrons Size A through E
bulletSolid State Relay to Operate Squeeze Valve in Spot - Seam - Rollspot Mode
bulletSolid State Relay to Turn On Motor or Air Brake in Seam or Rollspot Mode
bulletEmergency Halt Input
bulletRetraction and Two Stage Foot Switch Input
bulletOpto Isolation Input/Output to Central Interlock Scanner
bulletVisual Peripheral Diagnostics
bulletRemote Control Box Model 325A with the following switches: Repeat, Weld, Tip Dress, Positive - Alternate - Negative Polarity, Seam - Spot - Roll, Next Weld Schedule (quick selection between two weld schedules), Program Lock Key, One of Sixteen Weld Schedule Selector Switch

TIMING FUNCTIONS
 

tip travel time 00-99
precompression time 00-99
squeeze time 00-99
impulses 00-99
cool time 00-99
forge delay time 00-99
heat time 00-99
heat % 00-99
heat decay time 00-99
heat decay % 00-99
hold time 02-99
off time 00-99



 

MODEL 325A
REMOTE CONTROL BOX
bulletOperating Temperature: 0-50 Degrees Centigrade
bulletCabinet Dimensions: 14"h x 14"w x 6"d

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