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© 2016 Littelfuse Protection Relays & Controls Time Delay Relays Dedicated - Retriggerable Single Shot www.littelfuse.com/tsd94110sb Rev: 1-A-062716 TSD94110SB Retriggerable Single-Shot Timer Wiring Diagram
Description
The TSD94110SB retriggerable single-shot timer is designed for a variety of appllcations. Its digital circuit provides long or short delays with accuracy and stability over a wide voltage and temperature range. It is the ideal timer for pulse-train monitoring of programmable controllers, or any system requiring motion detection. Operation A Type Power must be applied to input at all times prior to and during timing. Upon closure of initiate switch (momentary or maintained) the load is energized and the time delay is started. On completion of the delay period the load is de-energized. Should the initiate switch be reclosed during timing, the delay will be reset to zero and restarted. Operation B Type Upon application of input power, the load is energized and a time delay is started. At the end of the time delay, the load is de-energized. Should the initiate switch be closed or reclosed during timing, the delay is reset to zero and restarted. Features & Benefits JJ Excellent Pulse Train Monitor JJ Totally Solid State and Encapsulated JJ Microcontroller Circuitry JJ Fast Reset to Zero During Timing JJ Excellent Accuracy and Reliability JJ DC Units are Reverse Polarity Protected INPUT LOAD NOTE: is used when external adjustment is ordered. INITIATE 4 5 6 2 1 RT RT Specifications Time Delay Type Microcontroller circuitry Range Factory fixed 10s Repeat Accuracy ±0.5% Tolerance (Factory Calibration) ±1% Recycle Time 300ms max. Time Delay vs. Temp. & Voltage ±2% Initiate Timing 16ms max. AC Input Operating Voltage 120 volts AC Tolerance ±15% Output Type Solid State Form Normally open Rating 1 ampere steady state, 10 amperes inrush at 55°C Voltage Drop AC 2.5 volts typical at 1 ampere Protection Transient Protected Dielectric 1500 volts RMS Insulation Resistance 100 megohms minimum 4.4 Mechanical Mounting Surface mount with one #8 or #1O screw Termination 0.25 in. (6.35 mm) male quick connect terminals Package Molded housing with encapsulated circuitry Dimensions H 50.80 mm (2.00”); W 50.80 mm (2.00”); D 30.70 mm (1.21”) Environmental Operating/Storage Temperature -40°C to 60°C / -40°C to 85°C Humidity 95% relative, non-condensing Weight Approx. 2.4 oz (68 g) Function Diagram RETRIGGERABLE SINGLE SHOT (MOTION DETECTOR) (PSE) V = Voltage S1 = Initiate Switch NO = Normally Open Contact NC = Normally Closed Contact t = Incomplete Time Delay TD = Time Delay R = Reset