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Digital Epic D460/D470 Control Transmitter
Brand: Westlock
Discrete position control and precision, non-contact position feedback with digital communication via HART protocol in an explosionproof, integrated package.
With options for linear or rotary control valves and remote PST/ESD initiation.
Features- Microprocessor based technology allows digital communication via HART protocol
- Remote and local partial stroke test (PST) and emergency shut down (ESD) initiated remotely via HART signal for safety system applications
- Valve position measurement via a non-contact magnetic pick-up eliminates mechanical drive arms or linkages increasing reliability in high cycle applications or where vibration is present
- Highly visible position indicator
- Available with low power Falcon solenoid valve
- Solenoid coils integrated within enclosure
- Choice of factory pre-wired 3 and 4 way Falcon solenoid valves
- Solenoid valves with a choice of Cv ratings and coil voltage
- Model D460 features a low copper aluminum enclosure with powder coat finish
- Model D470 features a heavy duty stainless steel enclosure
Specifications
Brand
Approvals & Certifications
- ATEX Ex II 2 G Ex d IIC T Gb Tamb - * °C to + * °C, Ex II 2 D Ex Tb IIIC T Db IP6X Tamb - * °C to + * °C
- IEC Ex II 2 G Ex d IIC T Gb Tamb - * °C to + * °C, Ex II 2 D Ex Tb IIIC T Db IP6X Tamb - * °C to + * °C
BSP Connection
- 1/4” BSP Female
Coil Voltage
- Solenoid: 24 Vdc
Communication
- HART
Conduit Connection
- 1/2” NPT
- 3/4” NPT
- M20
- M25
Enclosure Finish
- Aluminum with Powder Coat Finish - Model D460
- Stainless Steel with Electro-Polished Finish - Model D470
Enclosure, Body Material
- 316 Stainless Steel
- Aluminum - Model D460
- Stainless Steel - Model D470
Environmental Protection
- Explosion-proof
- Flameproof
- IP67
- IP68
Flow Rate
- 1.1 Cv
Humidity
- 10 to 90 % Relative Humidity, Non-Condensing
Linearity
- ± 1 % of Full Scale
Materials of Construction
- Hardware: Stainless Steel
Mounting
- Remote Mounting
Mounting Position
- Any Orientation
NPT Connection
- 1/4” NPT Female
Operating Temperature
- Standard Falcon Valve Operating Temperature: -20° to 85° C (-4° to 185° F)
- Standard Operating Temperature: -40° to 85° C (-40° to 185° F)
Output
- 4-20 mA Proportional to Valve Position
Power Supply Effect
- Voltage Effect: ≤ 0.2 % of Full Scale from 10-30 Vdc
Resolution
- ≤ 0.05 % of Full Scale
Reverse Polarity Protection
- Protected Against Reverse Polarity
Solenoid Type
- 3/2-Way
- 5/2-Way
Span & Zero Adjustments
- Span: 60° to 120°
- Zero: 30 % of Calibration Span
Temperature Effect
- ≤ 0.01 % of Full Scale/°C
Terminal Voltage
- 10-30 V
Turn-On Time
- Startup Stabilization: 0.5 seconds
Update Time
- Output: 25 milliseconds