Entron EN50

Basic Weld Timer & Components

EN50

  • Timer for use with Remote Contactor
  • Compact Unit Provides Basic Control and Programming Features
  • Versatile
  • Simple to Install and Use
  • Available with 300 and 1200 Amp Contactors
  • Provided in Kit Form

 

Features

  • Multiple Weld/Multiple Current
  • Up to 8 user-defined schedules
  • Internal or external schedule selection
  • Retraction option with maintained or momentary inputs
  • 4 inputs and 4 outputs
  • Seam and Roll-Spot
  • Squeeze Delay
  • Pulsation
  • Upslope
  • 2 weld intervals for Preheat / Postheat
  • Counter with optional lock-out for electrode maintenance
  • 2 stage foot switch
  • Interlock output
  • Can be used for coated materials
  • Half Cycle
  • Repeat and Non-Repeat
  • Valve Control Relay
  • Easily programmed

 

Specifications

Welding Parameters x 8

  • Squeeze Delay: 0 to 99 cycles
  • Squeeze: 0 to 99 cycles
  • Upslope: 0 to 99 cycles
  • Weld1: 0 to 99 cycles
  • Heat1: 0 to 99%
  • Cool1: 0 to 99 cycles
  • Weld2: 1 to 99 cycles
  • Heat2: 0 to 99%
  • Pulses: 1 to 9
  • Cool2: 0 to 99 cycles
  • Hold: 0 to 99 cycles
  • Off: 0 to 99 cycles
  • Mode: Non-Repeat/Repea

 
Counter (Configuration Types 03, 05, 06, 07 and 10 only)

  • Actual count: 0 to 9999
  • End count: 0 to 9999
  • At end of count: Stop/Continue

 
Configuration

TypeModeOperationSchedules
00SpotSimple spot welding with no other functions8
01Spot with 2 Stage Foot SwitchSpot welding with 2 Stage Foot Switch
02Spot with RetractionSpot welding with an input and output for controlling gun position4
03Spot with CounterSpot welding with an output that activates when count is reached4
04Spot with 2 Stage Foot Switch & RetractionA combination of types 01 and 022
05Spot with Counter & RetractionA combination of types 02 and 032
06Spot with 2 Stage Foot Switch & CounterA combination of types 01 and 032
07Spot with 2 Stage Foot Switch, Retraction & Counter A combination of types 01, 02 and 031
08Spot with Half CycleSpot welding using only one half cycle weld duration8
09Spot with Half Cycle & 2 Stage Foot SwitchA combination of types 08 and 014
10Spot with Half Cycle & CounterA combination of types 08 and 034
11Roll-SpotSpot welding with an output to operate motor-driven welding wheels during Off time between sequences8
12SeamUses seam wheels, motor drive and continuous or modulated current to provide seam weld8

All Types except 05 have Interlock output to be used with ENTRON Welder Interlocks
Retraction: None, Maintained, Maintained Inverted, Momentary, Momentary Inverted
Frequency: 60/50 Hz
 
Environmental

  • Operating Temperature: 32⁰ to 122⁰F
  • Storage Temperature: -13⁰ to 158⁰F
  • Operating Humidity: up to 80% (relative)
  • Storage Humidity: 10% to 90%

 
Dimensions of Timer (only)

  • Height: 4.75″
  • Width: 6.25″
  • Depth: 1.25″ + .75″ for connectorv
  • Weight: 1.5 lbs.

 
Power Requirements

  • Voltage: 24 VDC
  • Line frequency: 50/60 Hz
  • Current: < 500 mA (all outputs off)

 
I/O Ratings

  • Inputs: < 10 mA @ 24 VDC
  • Outputs: < 500 mA @ 24 VDC
  • WELD OUT:
  • 5 kHz; 1:10 mark/space;
    first pulse 24 V;
    subsequent pulses > 15 V

 

EN50 Basic Weld Timer

The EN50 Basic Weld Timer is a compact, robust unit which, when combined with these components, provides basic control for resistance welding. Offering reliability which ensues from simplicity, programming of control is quick and easy.

 

Contactors

All SCR Contactors complete with temperature limit switch and rated for use at 575 VAC.

Typical Machine Design

Typical Control Design

Timer 730006-001

Timer 730006-001

Firing Board
730006-002
730006-003 with 24-120VAC Valve Buffer

24 VDC Power Supply

24 VDC Power Supply

Contactors
730006-006 – 1200A

Contactors
730006-005 – 300A

Accessory Kit
730006-007
Kit to assist system integrators with implementing EN50 Series designs. Includes precautionary labeling, fuses and hardware to mount the EN50 Timer, Firing Board, Power Supply and Contactors.

EN50 DEMO Control
730006-008

 

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