EE-607 (TPI with BCD Code Input)

Tap Position Indicators : EE-607

Emco Electronics’ Tap Position Indicator with BCD input ( TPIB ) EE-607 is used to indicate the tap position of the Power Transformer depending on the BCD input on the terminal block pins A1 (LSB) to A6 (MSB) & common. The potential free (NO) contacts coming from the BCD Encoder are connected to the respective terminals A1 (LSB), A2, A3, A4, A5,A6 (MSB) ,along with the common as marked on the Rear Panel of the TPIB. When the ( NO ) contacts close , the logic level is considered as ‘HIGH’ & vice versa. Universal Power supply (95-260V AC/DC ) is connected to the terminals marked on the Rear Panel. When the unit is powered on , the TPI display indicates the current position of the Tap-changer . As the tap is increased, the display increases and decreases as the tap is decreased. Check the TPI by changing the tap positions (BCD code) from 1 (min) to 33 (max) and confirm that TPI reads correctly . When all the inputs are open the TPI display indicates zero. For any other input other than the BCD input for Taps 1 to 33 the TPI displays “Er”.

Features:-

  • 6 digit BCD Code Input with Com
  • Micro controller based circuit
  • Maximum 33 Taps
  • 95 to 260 V AC/DC Universal Power Supply
  • Small size, saves space on panel
  • Bright and clear 7 segment displays for long distance viewing

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