PPI Watchdog Timer Relay

The PPI Watch Dog Timer Relay is a single pole, double throw relay with a field adjustable timed input trigger. The relay is designed to monitor a pulse stream received from a speed monitoring device such as the PPI Magnetic Conveyor Speed Switch and provide a continuously open or closed relay connection.

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Description

Upon receiving the first high voltage pulse on the input connection, the PPI Watchdog Timer Relay will energize. As long as each proceeding pulse is received within the amount of time specified on the field adjustable timer, the relay will remain energized. If the selected time passes without receiving a pulse, the relay will de-energize until the next pulse is received.

Features & Benefits

Functions as an adjustable under-speed detector that converts a pulse stream from a speed switch device to a constant on or off signal
Operates on AC or DC voltage
Adjustable timing range from .5 to 10 seconds
DIN rail compatible
AC snubber provided

PPI Watchdog Timer Relay