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Drive position sensor DP-5 is designed to determine actual transformer tap on load. This sensor can be connected to SMA-7, SMA-9, SHM, EM-1, MR, ED drives with number of contacts corresponding to the number of drive positions. The sensor converts OLTC step number into BCDcode.

Sensor DP-5 has a BCD-output to deliver transformer tap data to UP 25 OLTC Position Monitors (to display the OLTC step number on the control switchboard) or to TM and PCS.