New electro-pneumatic valve positioner
EDP300 from ABB offers high accuracy and speed for linear and part-turn actuators.
ABB has unveiled its EDP300 series digital positioner for regulating air-driven linear and rotary actuators, including control valves. The new design incorporates an advanced algorithm to position the valve actuator with what it characterizes as unsurpassed accuracy and speed. It also offers ABB’s HMI (human machine interface) with menu-driven programming and control selection of options, saving time and cost.
EDP300’s diagnostics include optional pressure sensors to determine valve and actuator performance, allowing engineers to monitor actuator conditions in real-time and improving process reliability. The unit also incorporates a partial stroke test (PST) function for in-process verification of valve integrity. With an integrated valve signature function, testing and verification of actuator and positioner assembly baseline performance can be completed without the need for additional hardware.
The pneumatic output control stage of the EDP300 provides up to 23 scf of air capacity for fast valve travel, eliminating the need for volume boosters. Supply pressures up to 145 psi deliver unsurpassed valve seating load.
Designed with a high degree of mounting flexibility, the EDP300 has application options for linear or rotary actuators with the same footprint as the ABB TZIDC positioner. An optional stainless steel housing permits the EDP300 to operate in corrosive environments typically found in chemical, pulp and paper, and offshore applications.
Edited by Peter Welander, pwelander(at)cfemedia.com
Visit the Control Engineering process control channel.
- Related News:
Automation, integrated options key for copper mine's success - 09.02.2012 08:02- Reuse of lithium-ion battery packs to be tested - 06.02.2012 06:08
Integrator Guide
| Search the online Automation Integrator Guide |
|
|
|
|
Visit the System Integrators page to view past winners of Control Engineering's System Integrator of the Year Award and learn how to enter the competition. You will also find more information on system integrators and Control System Integrators Association.
Case Study Database
Get more exposure for your case study by uploading it to the Control Engineering case study database, where end-users can identify relevant solutions and explore what the experts are doing to effectively implement a variety of technology and productivity related projects.
These case studies provide examples of how knowledgeable solution providers have used technology, processes and people to create effective and successful implementations in real-world situations. Case studies can be completed by filling out a simple online form where you can outline the project title, abstract, and full story in 1500 words or less; upload photos, videos and a logo.
Click here to visit the Case Study Database and upload your case study.