Key Specifications & Parameters Parameter Specification Model Series DVC2000 (e.g., DVC2000, DVC2000f - fieldbus) Type Digital Valve Controller / Positioner Input Signal Standard: 4-20 mA DC, with HART® 5/6/7 protocol Digital Option: Foundation Fieldbus H1 (31.25 kbit/s) Output Signal Pneumatic Output: to control the valve actuator Supply Air Pressure Minimum: 0.14 bar (2 psig) above actuator pressure requirement Maximum: 7.0 bar (100 psig) for standard models; 10.3 bar (150 psig) for high-pressure (HP) models Air Consumption Steady State: Less than 0.028 Nm³/h (0.02 SCFM) Stroking: Additional consumption based on actuator size and travel speed Flow Capacity (Cv) Gauge Pressure (GP) versions: 0.086 High Flow (HF) versions: 0.32 Note: This is the Cv of the positioner's pneumatic relay. Stem Travel Range Linear Actuators: 3 to 150 mm (0.12 to 6.0 in) Rotary Actuators: 25° to 100° of rotation Accuracy Linearity: ±0.5% of span Hysteresis: 0.3% of span Sensitivity 0.1% of span Ambient Temperature Range Standard Electronics: -40° to 85°C (-40° to 185°F) Extended Temperature: -40° to 95°C (-40° to 203°F) option available Enclosure Rating NEMA 4X (IP66) - Weatherproof, dust-tight, and hose-proof Materials Enclosure: Aluminum with polyester coating Cover: Polycarbonate Communications HART: Via 4-20 mA loop Foundation Fieldbus: Via H1 terminal block Local: Infrared communication using Fisher FIELDVUE DVC2000 Setup Software or AMS Device Manager Diagnostic Capabilities Monitors and reports: - Valve Travel - Travel Accumulation - Actuator Pressure - Supply Pressure - Alarm Conditions (e.g., high friction, low supply, signal failure)