Features of Thyristor Based Control Units

DC Drive/Vibration Controllers – SCR Based

Microcontroller based SCR phase angle control Drive for DC motors.
Rating: <=1.0HP, Single Phase, 230V AC, 50Hz with 6A Fuse (strictly no to square wave inverters & generators without 50Hz).
Applicable for DC Motor Shunt or Compound.
Armature Voltage – (0-200V, 4.5A).
Armature Overload Protection - Programmable Armature Current – (0-5A), using keypad.
Field Voltage terminated – 200V DC.
Field Disconnect protection – Programmable.
3 seven segment displays & 4 keys (UP, DOWN, ENTER & AC voltage monitor).
1 setpoint – PER– in terms of percentage (0-99% with 1% resolution).

One external digital input status, decides ON or OFF.
Programmable Acceleration (dL1) & deceleration (dL2): 0-5000 millisecs.
Programmable Percentage limit (P.Lt).
Input AC voltage measurement and display.
Compact panel mountable plastic enclosure of size: 96x96x110mm with terminals.

WELDING CONTROLLER - Features

Micro-Controller based system with 4 Line LCD (20x4) & 6 keys.
Thyristor Control – SCR – 100A.
10 Different Programs. Each program consists of squeeze cycle, cool cycle, weld cycles.
External Inputs – 4 Nos – Start, Run/Reset, Weld cycle select, Continuous or Single Cycle.
External Outputs – 2 Nos – Potential Free Relay Outputs for piston operation.
Isolation Transformer based firing (no MOC series).
Suitable for three Phase & single Phase.
10KHz PWM superimposed with the 50Hz sine wave, based firing technique.
Program Options: Weld cycle (0-99), Energy Output (0-99), Squeeze Cycle (0-99), Cool Cycle (0-99), OFF cycle (0-99).
System can be custom built according to the customer requirement.

Note: System can be custom built for any process control equipment like vibration controller, spot welding units using SCR packs.