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S8VM-05015 Datasheet(PDF) 10 Page - Omron Electronics LLC |
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S8VM-05015 Datasheet(HTML) 10 Page - Omron Electronics LLC |
10 / 38 page S8VM 10 ■ Mounting Note: 1. Improper mounting will interfere with heat dissipation and may occasionally result in deterioration or damage of inter- nal parts. Use the Power Supply within the derating curve for the mounting direction that is used. 2. Use the metal plate as the mounting panel (*1). 3. Install the Power Supply so that the air flow circulates around the Power Supply, as the Power Supply is designed to radiate heat by means of natural air flow. 4. Mounting screw tightening torque (recommended value: M3 (0.49 N·m)) ■ Remote Sensing Function (S8VM-100 @@@@/150@@@@ only) This function compensates a voltage drop on the load lines. To use this function, connect after removing the two short bars of the remote sensing terminal. Note: 1. Use a 2-conductor shielded cable as a connection wire (*1). 2. Use as thick a wire as possible since high voltage drops on the load lines (*2) may activate the overvoltage protection function. 3. Use when the voltage drop is 0.3 V or lower. 4. When the +S and −S terminals are opened with the short bar removed, the overvoltage protection function is activat- ed and the output voltage will be cut off. 5. If the load line is too long, use an electrolytic capacitor in the following 3 locations: 1) Across the load terminals 2) Between the +S terminal and + terminal 3) Between the −S terminal and − terminal Select the capacity of the connected capacitor from be- tween several tens to several hundreds of µF as a guide, and then determine the capacity when actually connecting the capacitor between terminals as shown below. ■ Inrush Current, Startup Time, Output Hold Time ■ Reference Values *1 *1 *1 Terminal block The terminals are in front. The terminals are on the top. Standard Mounting (Bottom Mounting Models) Horizontal Mounting Correct Correct Correct Face-up Mounting (DIN Rail Mounting Bracket Models) Face-up Mounting Incorrect Correct Face-down Mounting (DIN Rail Mounting Bracket Models) Face-down Mounting Incorrect Incorrect Standard Mounting (DIN Rail Mounting Bracket Models) Surface Mounting for Standard Mounting Direction Surface Mounting for Face-up Mounting Correct Correct Item Value Definition Reliability (MTBF) 135,000 hrs min. MTBF stands for Mean Time Between Failures, which is calculated according to the probability of accidental device failures, and indicates the reliability of a device. Therefore, it does not necessarily represent the life of the Power Supply. Life expectancy 10 yrs. min. The life expectancy indicates average operating hours under the ambient temperature of 40 °C and a load rate of 50%. Normally this is determined by the life expectancy of the built-in aluminum electrolytic capacitor. DC ON V.ADJ + S + V −V −S *1 *2 Short bar DC ON V.ADJ + S + V −V −S + + + Startup time Hold time Inrush current on input application 90% 95% Input ON Input OFF AC input voltage AC input current Output voltage |
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