Armor AR – 2310 UPS TRAINER

SPECIFICATION:

• Based on highly reiable Microchip PIC micro ® microcontroller.
• MOSFET based power stage, with PWM AC output.
• Mains to Backup mode changeover time less than 9mSec.
• Backup mode protected against Overload, short circuit, reverse phase and unbalanced MOSFET drive.
• Line Synchronized change over from Mains to Backup and Back.
• Over current of MOSFET’s protected within micro seconds.
• Three step AVR with input range 140V to 280V AC. and output range 200-245V AC.
• MOSFET based PWM battery charger.
• Automatic low battery warning and cut off.
• Maximum output load = 600VA Test Points & Observations:
• Test Point 1 – AC mains voltage at the input of UPS.
• Test Point 2 – AVR first relay control signal.
• Test Point 3 – AVR second relay control signal.
• Test Point 4 – AVR third relay control signal.
• Test Point 5 – Transformer bindings for AVR section.
• Test Point 6 – Transformer bindings for PWM section.
• Test Point 7 – Transformer bindings for charging section.
• Test Point 8 – AC voltage at the output of UPS.
• Test Point 9 – Output voltage of charger (MAINS MODE) & Battery voltage (BACK UP MODE) Ÿ Test Point 10         –              PWM 1 Signal from PIC controller.
• Test Point 11 – PWM 2 Signal from PIC controller.
• Test Point 12 – Control signal of buzzer from PIC controller.
• Test Point 13 – Inverter indicator signal.
• Test Point 14 – Output indicator signal.
• Test Point 15 – Mains indicator signal.
• Test Point 16 – Battery reference voltage input to PIC controller