EE-601G ( TPI with Gray Code Input )

Tap Position Indicators : EE-601G

Emco Electronics’ Tap Position Indicator with Gray code input ( TPIG ) EE-601G is used to indicate the tap position of the Power Transformer depending on the Gray code input on the terminal block pins A1 (LSB) to A5 (MSB) & common. The potential free (NO) contacts coming from the Gray code Encoder are connected to the respective terminals A1 (LSB), A2, A3, A4, A5 (MSB) ,along with the common as marked on the Rear Panel of the TPIG. When the ( NO ) contacts close , the logic level is considered as ‘HIGH’ & vice versa.
DC Power supply (110V 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 (Gray code) from 1 (min) to 21 (max) and confirm that TPI reads
correctly . When all the inputs are open the TPI display indicates zero.

Features:-

  • Max. No. of tap positions : 21
  • Binary input : Gray code from 1 – 21 (5 potential free (NO) contacts with common)
  • Display : 7 segment LED
  • Power Consumption : 110V DC + 10%, 4VA
  • Panel Cutout Dimensions : 96 x 48 mm
  • Depth : 110 mm
  • Operating temperature : 0 – 45° C
  • Weight : 0.5 Kg. approx.

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