EMERSON A6210 Displacement speed sensor

Flourocarbon seals are standard and are suitable for use with phosphate ester type fluids or their blends, water glycol, water-in-oil emulsion fluids and petroleum oil. Refer to data sheet I-286-S for hydraulic fluid and temperature recommendations.The T3000 Frequency Relay is intended for effective frequency monitoring on generators, busbars or other distribution systems. The T3000 is part of the SELCO T-Line series with modular units for protection, control and monitoring of generators, both in marine and land-based applications. The T3000 is type approved by major marine classification societies.

The output relays are normally energized output relays. 

The output relay for under frequency is activated at frequencies higher than the preset value, while the output relay for over frequency is activated at frequencies lower than the preset value. This means that both output relays are activated at frequencies within the interval between the under and over frequency scale range. One LED is illuminated at under frequency and another at over frequency pick-up level. Also, two LEDs will illuminate when the respective output relays are deactivated. The green power LED illuminates when the T3000 Frequency Relay is on power. The connection diagram shows the system de-energized.

The supply voltage is connected to terminals 1

 and 3 or 2 and 3 according to the supply source. The frequency detection is done through the supply source. Connections are made as shown in the diagram.The T3000 consists of two circuit parts fundamentally alike, one circuit part for over frequency and one for under frequency monitoring. Each circuit part has been provided with continuous variable presetting knobs and adjustable time delayed output relays.

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