DP-3

PARAMETER	DP-3	DP-3-U
Overall dimensions, mm	Ø67х118	Ø67х118
Resistive output	-
Total sensor resistance, Ohm	-
Analog voltage output, V	-
Analog current loop output, mA	0–20 0–5 4–20
RS-485 digital output	MODBUS protocol
BCD output	-
Drives	PDP-1, PDP-4, PDP-4U, RNOA, RNOA-110, RNOA-220, RNT-13, RNT-18, RNT-20, RNT-20A, MA-1, MAK-1, MAK-1/49, ZRNOA-110/1000, PM-2M, PBV
Total rotation angle, °	360 (no end stop)
Rotation angle accuracy, °	± 2
Supply voltage, V	5/24 ± 5%	5–12 ± 5%
Service life, years	not less than 15

Tap sensor DP3 is designed to determine actual transformer tap on load. This sensor can be used with PDP1, PDP4, MA-1 and RNT-13 drives, as well as the other drives that can be completed with synchro transmitters (BD404 or BD1404) or other sensors with the dimensions of BD404/ BD1404 type sensors. Tap sensor DP3 is a metal cylinder with chamfers for installation needs. Overall dimensions and mounting points of DP3 type sensor are the same as those of BD404 or BD1404 synchro transmitters.

Sensor DP3 is a drive turn angle encoder with signal conversion circuit, it can be installed instead of a synchro transmitter. Sensor DP3 has several different interfaces in order to transmit the drive turn angle. These are: interface RS-485 for the transformer tap data transfer to PCS or to UP 25 OLTC Position Monitors in digital form via MODBUS protocol. Current analog interface “current loop” 4-20A, 0-5mA or 0-20mA is designed for the transformer tap data transferring to UP 25 OLTC Position Monitors or PCS by additional transmitters. Analog interface 0-5V or 0-24V for transformer tap data transfers to UP 25 or to PCS via additional transmitters.

While using this interface sensor DP3 can function as a resistive sensor of MZ-2, MZ-4, EM1, MR, and ED-S drives. In this case the sensor can be used to connect Siemens and ABB transformer protection and control automatics together with drives of PDP-1, PDP-4, MA-1, and RNT-13 types and others.

DP-3

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