Model 108

Single Phase Resistance Welding Controller with 300 Weld Schedules

FEATURES

• Spot Weld - Seam Weld - Roll Spot Weld - Butt Weld
• Cascade 6 Guns with Clamp Output, Chained or Successive
• Cascade 24 Guns successively, one per Weld Schedule
• Cascade 6 Welding Transformers, Chained or Successive
• Manual Valve Select Program
• Fully Programmable 300 Weld Schedules
• Single - Dual - Triple Foot Switch Control
• 87 Degree Fire Limit Control First Cycle
• 1/2 Cycle Alternate Polarity Firing
• Water Cooled Contactor with Over Temperature Shut Down
• Pulsating Heat Control
• One Time Squeeze Delay in Repeat
• Upslope Heat Control
• Temper Heat Control
• Intermittent Drive Motor On/Off Control
• Forge Delay Start
• Dual Mode Anti-Tie Down Initiation (momentary or push-and-hold)

OPTIONAL FEATURES

• Constant current Control or A.V.C.
• Built-in Weld Current Checker with 1% to 20% Allowable Deviation Error

with Deviation Error Display and Constant Current or AVC Mode
• Conversion to Model 108A Stepper Heat Control
• Weld/Forge Pressure Control Regulator
• Cylinder Pressure Hi-Low Limit
• Motor Speed Control
• RS 232 Upload/Download Weld Schedules to PC
• RS 232 PLC Control Interface
• Edit Weld Schedule Key Lock
• 108LD Load Distribution over 3 Phase Line with 16 Valve/12 Transformers Manual Valve and Transformer Selection
• 8 Limit Switches Allow Part in Position, Guns Up Detection and Weld Schedule Selection
• 10 Station Intertron Model 375 Scanner

SPECIFICATIONS

• INPUT POWER: 200 VAC to 480 VAC 60 HZ.
• AC OUTPUT TO VALVES: 115 VAC 20 VA. EA.
• Solid State Contactors Available in Ranges from 300 Amps to 3200 Amps
• Ignitron Firing Module to Fire Ignitrons Size A through E
• Solid State Relays to Operate Squeeze Valve in Spot - Seam - Roll spot - Cascade - Butt Weld
• End of Sequence Output
• Optional Solid State Relays to Operate Clamp, Retraction, Tip Dress, Upset Valves
• Optional Solid State Relay to Turn on Motor or Air Brake in Seam or Roll spot Mode
• Operating Temperature: 0-50 Degrees Centigrade
• Cabinet Dimensions: 16 5/8"h x 20"w x 11"d

TIMING FUNCTIONS Group A   00-99 Weld Schedules Group B   00-99 Weld Schedules Group C   00-99 Weld Schedules squeeze delay time 00-99  squeeze time 00-99  impulses 00-99  cool time 00-99  heat time 00-99  heat % 00-99 quench time 00-99  temper time 00-99  temper % 00-99  hold time 01-99  off time 00-99  upslope steps 00-99  upslope % heat per step 0.0-9.9

Model 108 Face Plate

108HL STYLE CABINET WITH  2 POLE MAGNETIC BREAKER   Breaker Size: 100 AMPS, 400 AMPS, 600 AMPS

Cabinet Dimensions: 30"(h) x 20"(w) x 11"(d)

108SL STYLE CABINET CASCADE 3 INDIRECT COOLED CONTACTORS

Cabinet Dimensions: 16 5/8"h x 16 3/4"w x 9"d

Have you lost or destroyed your original Instruction Manual? Ever seen one? Download and print a replacement for free from T. J. Snow! Intertron Model 108 Instruction Manual (Adobe Acrobat Format  339K) Schematics (4.7 mb)  T. J. Snow is proud to offer this and other resistance welding related instruction manuals for download.

Intertron Products:
Single Phase: 100 | PC100 | 105 | 108 | 109A | IN200/300 | 375 | 1000
Three Phase: 301B | 302A | 302C | 375
Other Controls | Welding Supplies | Return to T. J. Snow

Contact Information:	6207 Jim Snow Way P. O. Box 22847 Chattanooga, TN 37422	(423) 894-6234 1-800-NOW-SNOW FAX (423) 892-3889 ORDER FAX (423) 490-2417
	welders@tjsnow.com