The DVC6200 series is a modular structure with a small number of parts and can be quickly replaced. It has an independent isolated junction box (Figure 5), a solid housing (with valve position measurement slots and Hall sensors), and a plastic-encapsulated electronic module (on-board). Microprocessor printed circuit board components), module base assembly, traditional I/P electrical converter 38B6041X082 (Fig. 1), single and dual output pneumatic amplifier, with 3 pressure sensors and pneumatic amplifier position feedback, pressure Table (up to 3) (Figure 2, 3) and outer cover. The DVC6200 series optimizes the DVC6010, DVC6020, and DVC6030 in the original DVC6000 series into two types of GX control valve housings and other general-purpose housings. The valve position feedback magnet assembly (9 specifications are available) connected to the valve stem is in the measuring tank. Sliding, non-contact measurement with a maximum straight stroke of 606mm (24 inches).
FISHER Valve Positioner DVC6200 I/P Electrical Converter (Fig. 1)
FISHER valve positioner DVC6200 double acting with feedback (fig. 2, 3)
Valve positioner DVC6200 double acting with feedback valve diagnostics
FISHER valve positioner DVC6200 double-acting with feedback independent isolation junction box (Figure 4)
The DVC6200 digital valve controller offers a large combination of advanced valve diagnostic functions. Whether it's the Model 475 Field Communicator for checking valve alarms and operating status, or ValveLink software for performing comprehensive diagnostic tests and analysis, users can quickly get started. When installed as part of a HART communication system, the DVC6200 digital valve controller can instantly report existing or potential equipment problems. During valve process control, performance diagnostics can be used to monitor the condition and performance of the entire valve assembly (not limited to digital valve controllers). During performance diagnostic tests, the valve does not deviate from the normal setpoint change range set by the process controller. The DVC6200 Digital Valve Controller utilizes statistical algorithms to determine conditions and performance-related issues based on actual readings from sensors on many devices. The results are then displayed graphically, along with a red/yellow/green indicator for severity. In addition, the identified issues and recommended actions are described in detail. Identifiable problems include:
Air source or pressure drop is too small
Incorrect regulator setting
Air source is not clean
External air leakage (actuator diaphragm or sleeve)
Calibration drifts
Valve cannot move
Piston Actuator O-Ring Failure
Too much friction on valve assembly
Valve assembly dead zone is too large
Elastomer failure of DVC6200 digital valve controller
Broken actuator spring
Performance diagnostics also facilitate full-travel dynamic testing of valve assemblies, including valve characteristic curves, dynamic error bands, step response, and stroke checks. These tests can be performed while the valve assembly is separated from the process and can change the instrument set point at a specific rate.
Xi'an Tosi Da Technology Co., Ltd special distribution, commonly used spare parts models:
FISHER valve positioner DVC6200 double acting with feedback
FISHER valve positioner DVC6200 single acting without feedback
FISHER valve positioner DVC6200 single acting HC version
FISHER valve positioner DVC6200 AD version
FISHER valve positioner DVC6020
FISHER Valve Positioner DVC2000
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EMERSON Fisher Valve Positioner DVC6200 Double Acting With Feedback In Stock
