WP144SRDT

Voltage - Forward (Vf) (Typ):	1.85V
Height (Max):	7.00mm
Size / Dimension:	--
Supplier Device Package:	Rectangular
Package / Case:	Radial
Features:	--
Wavelength - Peak:	655nm
Wavelength - Dominant:	640nm
Mounting Type:	Through Hole
Viewing Angle:	110°
Current - Test:	20mA
Series:	--
Lens Style/Size:	Rectangle with Flat Top, 3.90mm x 1.90mm
Millicandela Rating:	50mcd
Lens Transparency:	Diffused
Lens Color:	Red
Color:	Red
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

The WP144SRDT is a discrete output module for use in industrial environments. It is a two-part system consisting of a single output module and an external load that are connected together through a 24 VDC power source. The WP144SRDT is specifically designed for signal isolation in hazardous locations where hazardous gases and/or dusts exist. It is also ideal for applications that require long term, reliable and maintenance-free operation.

Application Field

WP144SRDT module is designed for a wide range of signal applications. These range from general signaling to alarms and feedback with AC/DC voltage sources and logic outputs. For example, it is suitable for a variety of plant processes, including machine tools and automation. Some examples of applications where the WP144SRDT is suitable are machine safety, process alarms, hardwired interlock sensors, input/output devices, and production control systems. Additionally, the WP144SRDT can be used in applications where electrostatic/radio frequency interference (EMI/RFI) contamination is a concern.

Working Principle

The WP144SRDT module has several features that ensure its effective operation. Its microprocessor has a monitoring circuit that constantly checks the output of the power source to ensure safe operation. The output of the power source can range from 12 to 30 VDC and the monitoring circuit ensures that the output does not exceed more than 10 % of the nominal value. In addition, the module has three built-in safety features: it limits the current through its contacts and will shut down the module when an overload or short circuit is detected; it prevents sparking at start-up; and it utilizes an innovative feature to quench static sparks generated when contacts close.

Conclusion

The WP144SRDT module is a compact, discrete output module that is specially designed for applications where hazardous gases and/or dusts exist as well as where EMI Protection is a concern. It is suitable for many signaling applications such as machine safety, process alarms, and input/output devices, and it is robust enough to last for many years. With its microprocessor-based monitoring system and built-in safety features, users can be confident that the WP144SRDT module will provide them with the long-term, reliable, and maintenance-free operation they need.

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