SCR power controller GFX4-IR

three-phaseburstmodular

GFX4-IR is a four independent loop controller, designed to manage electrical power. GFX4 is a compact unit bounding different technological elements like: -controller -solid state relay -current transformers -fuses-holders (option) The final result is a cost saving in terms of space and cabling. The GFX4-IR is managed by a microprocessor that independently controls the four control loops and also runs functions specifically designed to manage singlephase and 3-phase loads, with low and high temperature coefficient, medium and short wave infrared lamps, and transformer primary circuits. The multiple activation methods are all software-configurable, and include: -Zero crossing with constant cycle time for conventional loads -Burst firing with variable cycle time for systems with low thermal inertia, medium wave IR lamps -Single cycle for short wave IR lamps with reduced flickering (half single cycle) -Phase angle control with current limit for short wave IR lamps, transformer primaries, with assignment of soft start up and soft stop down options with limitation of max. rms current. GFX4IR runs complete diagnostics of current, voltage, and temperature levels: Current -Total and partial interrupted load alarm -“Teach-in” function for self-learning of alarm threshold for interrupted load -SCR in short circuit alarm -Load in short circuit or in overcurrent alarm -Unbalanced 3-phase load alarm