The positioner that instrument techs install on most control valves
The Fisher DVC6200 is a digital valve controller that works with linear and rotary valves. It uses HART communication for setup, calibration, and diagnostics. Plants use it on control valves for accurate positioning, and it has a non-contact feedback system. Many sites have been using them for years because they hold position well and give useful valve information.
| Input Signal | 4-20 mA |
| Communication | HART |
| Air Supply | 1.4 to 7 bar (20 to 100 psig) |
| Travel | Linear up to 606 mm, rotary up to 90 degrees |
| Accuracy | Typically better than 0.5% |
| Temperature Range | -40 to 85 °C |
| Enclosure | IP66, aluminum or stainless steel |
| Safety | SIL capable |
Q: Does it work on rotary valves?
A: Yes, with appropriate mounting.
Q: Is ValveLink software needed?
A: For full diagnostics, yes.
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