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Emerson releases new smart valve positioner

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Emerson has released the TopWorx™ PD Series Smart Valve Positioner that expands on its portfolio of sensing and control products for valves.
The PD Series enhances the current TopWorx portfolio of discrete valve controllers, providing 100% control over valve position and integrating communication via a 4-20 mA loop signal and HART protocols.
Customers can extract valuable feedback through this intelligent communication and can monitor for trends that offer predictive maintenance insights to help prevent costly downtime.
To maximise reliability, the PD Series uses Hall effect contactless position detection. Two PNP alarms that can be configured throughout the full displacement range help improve plant productivity and safety in any process application.
The construction of the PD series product line is also designed to withstand a variety of environmental conditions. The PD Series will launch initially with two models - the PD100 for general purpose applications and the PD200 for use in explosive atmospheres.
“Every facility, no matter its environment, needs to be sure it’s operating as safely and efficiently as possible,” said Paul Bristow, global product manager at Emerson. “That’s why the PD Series was designed for trusted performance in demanding conditions in many different applications and industries.”
The compact and lightweight design of the PD Series delivers a high degree of versatility, allowing for quick and simple installation on rotary and linear actuators in many applications.
The same solution can provide precision control on both single- and double-acting actuators.
An LCD screen allows operators access to device status and optional magnetic key technology allows operators to set all functions of the device without removing the cover in the field.
Low air consumption and fast response deliver efficient operations, providing a single solution for both standard and heavy-duty conditions.