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RKS-30 resistance welding regulator

RKS-30 resistance welding regulator is designed to control the welding process of spot, projection, and seam alternating current machines and provide, by operator command, the main welding parameters: welding time, voltage, current, electrode pressing force, forging (RKS-30-5). Versions RKS-30-1…RKS-30-5 are provided.

Advantages of RKS-30 resistance welding regulator

  • Welding current stabilization in case of power supply voltage fluctuations
  • Thyristor contactor control and welding current control
  • Control of two electro-pneumatic valves of the electrode pressing drive and pressing force control
  • 4-line display for setting the welding program parameters, displaying the current parameters and results of the last welding operation
  • Reproduction of welding cycles and storage of up to 20 welding programs in a non-volatile memory
  • Forging and squeezing mode
  • Reading of time delays in periods and half-periods of the supply voltage
  • Setting of welding parameters on the regulator front panel and digital indication of set parameters
  • Discrete reading and duration control of welding cycle positions
  • Setting of welding current within 25-100% of its full-phase value
  • Overload protection
  • Measurement of welding current in kA (completed with Rogowski coil current sensor)
  • RKS-30-5 version provides for arrangement of data sheets for weld spots with SD-card data storage and back-up storage of welding programs. 

 

 

 

         *Please pay attention that the technical specification and the appearance of the equipment placed on this web-site are only for informational purpose and are not a public offer. The producer reserves the right to make any changes.

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AC supply voltage 380 V
Power input, max 60 VА
Parameters of input discrete signals:
logical one voltage,
max current, max

30 V
20 мА
Parameters of thyristor control pulses:
voltage (across a resistance of 6.2 Ohms)
duration (at a level not lower than 15 V)

20±5 V
200±100 μs
Parameters of "upper key" output discrete signals:
load voltage,
max load current, max

30 V
0,5 А
Welding cycle parameters: РКС-30-1 РКС-30-2 РКС-30-3 РКС-30-4 РКС-30-5
number of welding cycle positions 7 9 9 12 12
number of force operating modes 2 5 5 5 5
number of controlled pneumatic valves 2 2 2 3 3
number of heating positions 2 2 2 3 3
number of welding programs 16 16 16 16 16
Regulator features:
compensation of supply voltage fluctuation       yes  
forging       yes  
squeezing       yes  
welding current stabilization and setting in kA - - yes yes yes
range verification - - yes yes yes
measurement of cos φ of the machine - - yes yes yes
two-operator duty cycle - - - yes yes
aging compensation of electrodes - - - yes yes
password protection of welding programs - - - yes yes
pressure measurement for pneumatic cylinder casting and pressing force analysis - - - - yes
direct force measurement - - - - yes
current interruption at force reduction («anti-strike protection») - - - - yes
additional programmablediscrete inputs - - - - yes
Generation of task signals to electrically -controllable devices (pressure controllers, frequency shifter, etc.) - - - - yes
arrangement of data sheets for weld spots with SD-card data storage - - - - yes
SD card back-up storage of welding programs - - - - yes
Connection with upper level control devices upon RS-485 and CAN protocols - - - - yes
PCsoftwaresupport - - - - yes
Overall dimensions (WxDxH) 305х185х87 mm
Weight 3 kg
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