Fisher FIELDVUE DVC7K Digital Valve Controller
Description
The Fisher FIELDVUE DVC7K Digital Valve Controller features Advice at the Device technology with embedded computing and analytics that convert raw data into actionable information locally with Bluetooth capability. This means maintenance personnel can receive the data via their phone, tablet or computer wirelessly without having to be in a control room at the plant location.
Digital valve controllers are available as accessories for control and on-off valves to provide local analysis of valve data, digital communications with host systems, and other features. These features improve uptime by alerting personnel to developing problems, reduce maintenance costs by providing the actionable information required for proactive rather than reactive maintenance, and cut troubleshooting time in the event of an issue by providing recommended corrective actions.
The DVC7K interprets data to create an optimized path to action by combining patented technology, experience-based algorithms, and continuous real-time analytics with flexible connectivity and easy integration. It uses powerful, real-time, and onboard edge computing to analyze issues and create actionable information, providing real-time awareness of valve health by analyzing data locally via its onboard diagnostics. If analysis reveals a problem, an alert is created, which can be viewed locally or remotely, providing the information required to create streamlined work processes that save time and money. All alerts include recommended actions to fix the problem.
All information can be viewed at the DVC7K’s local user interface, nearby via Emerson Secure Bluetooth wireless technology, or remotely after it is transmitted via a wired digital network to a host, such as a distributed control or asset management system. The local user interface provides an indication of valve health at a glance via LEDs, and users can drill down from the interface home screen to find more information. Emerson Secure Bluetooth enables access to one or more digital valve controllers at distances up to 30 ft from any device capable of supporting Bluetooth, such as a smartphone or tablet.
The DVC7K can be used for all new valve purchases and it can be retrofitted to most existing valve installations.
Specs
- Linkage-less feedback system eliminates physical contact, which eliminates wearing on parts, maximizing cycle life
- Conformal-coated electronics resist vibration, temperature, and corrosive atmospheres
- Identify the health status of the valve assembly at a distance with the NE 107 LED indicator
- Provides visual instrument health identification, configuration, and troubleshooting locally via Local User Interface (LUI)
- Provides quick responsiveness to large step changes and precise control for small setpoint changes
- The self-diagnostic capability provides valve performance and health evaluation without shutting down the process
- Modular design allows critical working components to be replaced without removing field wiring or pneumatic tubing
- The DVC7K is a HART 7 communicating device, so information can be accessed anywhere along the loop
| Area Class. | IS, EP, Dust-Ignition-proof, Increased Safety, Class/Div/Zone |
|---|---|
| Certifications | cCSAus, IECEx/ATEX/NEPSI |
| Comm. Protocol | HART7 |
| Data Interface | Wired |
| Diagnostics | Yes |
| Input Signal | 4-20 mA DC, 24V DC |
| Max. Outlet Pressure | 145 psig |
| Mounting Type | Integral Mounted |
| Operating Temp. | Standard Temp., Extreme Temp. |
| Position Control | Throttling Control, On/Off |
| Process Control | Flow, Pressure, Temp., Level |
| Supply Media | Air or Natural Gas |