MV8316 Optoelectronics

Voltage - Forward (Vf) (Typ):	2.1V
Height (Max):	8.89mm
Size / Dimension:	--
Supplier Device Package:	T-1 3/4
Package / Case:	Radial
Features:	--
Wavelength - Peak:	590nm
Wavelength - Dominant:	--
Mounting Type:	Through Hole
Viewing Angle:	12°
Current - Test:	20mA
Series:	--
Lens Style/Size:	Round with Domed Top, 5mm (T-1 3/4), 4.83mm
Millicandela Rating:	3500mcd
Lens Transparency:	Clear
Lens Color:	Colorless
Color:	Yellow
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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MV8316 LED Indication - Discrete

The MV8316 is a photoelectric indicator designed for LED indication lights treating discrete inputs. In a wide range of applications, discrete inputs can’t simply be wired directly to LEDs, as they typically require special signal conditioning or signal conversion. That’s where the MV8316 comes in. By integrating an opto-coupler, signal conditioning, and signal conversion into a single package, the MV8316 simplifies the design of LED indication applications. Its small size, high level of integration, and low power requirements make it especially suitable for use in space constrained computing systems, such as those mainstream applications in industrial automation, building automation, HVAC, security and surveillance, lighting, and automotive control.

Application Field

The MV8316 is a low cost discrete indicator for LED applications. It is ideal for a variety of applications since it has the capability to detect a wide range of discrete inputs, from low to high voltage, from TTL to PLC levels, from power sources of DC and AC. This flexibility makes the device useful for monitoring different signals in industrial and commercial equipment. The MV8316 offers several features that make it especially suitable for industrial and building automation applications. The device utilizes a range of blinking frequency settings, so as to allow the monitoring of different signals such as process alarms, motion sensors, and equipment faults. The device can also be used in HVAC control systems, security and surveillance systems, and automotive control systems. In addition, the MV8316 simplifies LED indications management, by adding the theoretical capability to automatically switch LED states between OFF and solid bright to indicate the on/off condition of the monitored input.

Working Principle

The MV8316 operates by using a low voltage opto-coupler across a specific input voltage, and then using the opto-coupler to condition, convert and feedback the appropriate signal state to the LED indication.The MV8316 uses a constant current source to drive the LED indication. In this way, the brightness of the LED can be varied depending on the type of input and its voltage value. The opto-coupler is used to translate input signals into an output current that is then converted into a square wave module. The square wave modules are then used to drive the LED finger, causing the LED to blink at a frequency rate that depends on the input voltage. During normal conditions, the LED indicates the on/off state of the input. Alternatively, during a fault condition, the square wave module changes frequency and, therefore, the blinking frequency of the LED changes to indicate the fault. The opto-coupler can also be used to reduce high voltage signals, such as PLC signals, to 0 to 5V, as well as low voltage signals, such as TTL signals, to 5V. This feature provides added flexibility to the LED indication and makes the MV8316 useful for a variety of applications.

Conclusion

The MV8316 is a highly integrated, cost-efficient and low power consuming opto-coupler that simplifies LED indication applications. Its range of discrete input detection capabilities and its ability to automatically switch LED states make it especially suited for industrial and building automation applications, HVAC control systems, and other LED indication applications. The MV8316 operates by using a low voltage opto-coupler across a specific input voltage in order to condition, convert, and feedback the appropriate signal state to the LED indication. This opto-coupler can also be used to reduce high voltage signals, such as PLC signals, to 0-5V, and to reduce low voltage signals, such as TTL signals, to 5V. With integrated features that make efficient LED indication easier, the MV8316 is sure to continue its trend of serving major application needs in industrial, commercial, and automotive automation.

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