Industrial Controller
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Infinite Innovation, the Future of Industrial Control Systems
Infinite Innovation, the Future of Industrial Control Systems
PRODUCT POSITION:HOMEPRODUCT—FISHER™ 4660
FISHER™ 4660
Technical Parameters Parameter Specification Model Fisher™ 4660 Type Digital Valve Positioner with Foundation Fieldbus Communication Protocol Foundation Fieldbus H1 (31.25 kbit/s) Input Signal Digital setpoint via Fieldbus Supply Air Pressure 20 to 100 psig (1.4 to 6.9 bar) Air Consumption Less than 0.2 SCFM (0.33 m³/hr) at steady state. Stem Travel Range 0.2 to 4.0 inches (5.0 to 101.6 mm) for linear actuators; 25° to 120° for rotary actuators. Accuracy Better than ±0.5% of span (including linearity, hysteresis, and dead band). Ambient Temperature Range -40°F to 185°F (-40°C to 85°C) Enclosure Rating NEMA 4X (IP66/67) Hazardous Area Approvals FM, CSA, ATEX, IECEx for Class I, Division 1 / Zone 1 hazardous locations. Function Blocks Contains standard Fieldbus function blocks (AI, AO, PID, etc.) for distributed control. Partial Stroke Test (PST) Configurable for automated testing of Safety Instrumented Functions (SIF).
DESCRIBE
The Fisher™ 4660 is a high-performance, digital fieldbus positioner designed for precise control of linear and rotary control valves. It is part of the Fisher FIELDVUE™ instrument family and uses the Foundation Fieldbus H1 protocol, enabling it to function as a smart node in a fully digital control network. It provides advanced diagnostics, configuration, and control capabilities directly at the valve.
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