Product Description
Reliability. Proven rugged technology, vibration test specified
Flexibility. Various mounting options, analog or binary feedback alarms, microswitches with universal analog input available
Diagnostics. Pressure sensor option for advanced diagnostics with partial stroke capability standard
Performance. Very high resolution, air delivery, precise positioning with 270-degree sensor, SIL2, and intrinsically safe options
Simple. Push buttons for auto-calibration and configuration, LCD program with standard loop calibrator.
The D500 microprocessor based positioner brings the latest technology, flexibility, and user-friendly features (local push buttons and LCD display) for local operation and calibration of a pneumatic actuator and/or control valve package. A robust design (NEMA 4X, Ip 65), with excellent air delivery, uses very traditional and proven components to provide very fast, accurate, and consistent control with very low air consumption.
Optional accessories like analog or digital feedback, various switch options, an emergency shutdown module, SIL 2 approvals, fail freeze option and pressure sensors for advanced diagnostics make the D500 a complete positioner package. Coupled with VAC’s multiple drive adapters and an extensive list of rotary or linear actuator mounting, this combination offers users and distribution channels a lot of flexibility and opportunities.
Specifications
General
- Housing-Cast Aluminum standard (stainless optional)-weight 5.3 lbs.
- Nema 4 X Ip 65 Hardened Epoxy resin
- Temp range -40-185 F
- Gauge block with gauges (standard)
- Meets DIN/IEC 60068-3-3 Class III for strong and strongest earthquakes
- 25-270° rotation (rotary and or linear applications)
- FM/CSA Intrinsically safe approvals (Atex-Gost-others) available
- Can operate with Natural Gas as the median (must order with GAS approval)
Inputs: Electrical
- Nominal range-2 wire-4-20 mA and or Hart-5 or 7 (Supply 5-30 VDC)
- Load at 20 mA 9.7 V
- Impedance @ 20 mA 285 Ω
- Fail Safe (standard) or Fail Freeze (optional)
- Connections-1/2” NPT with Cable gland
Inputs: Pneumatic (air supply per DIN/ISO 8573-1
- 1/4 “ NPT
- 0-145 PSI Supply
- 0.015 SCFM Air Consumption-13 SCFM Delivery @ 87 PSI
Ordering Codes
- D500 – Standard Unit
- D500 IS – Intrinsically Safe-FM/CSA-Atex-IECEx-GOST available
- S – Single Acting or D-Double Acting
- N – Npt or G – Metric
- D1 – Namur, D2-1/2” square, D3-3/8” square, D4-round linear
- D5 – Double “D” Communication, NO-No communication or H-Hart
Options
- S2 – Micro Switches
- ProxNC – Proximity Switches Normally Closed
- 4/20 Transmitter
- FF – Fail Freeze
- PSEN – Pressure Sensors
- RSEN – Remote Sensors
- ESM – Emergency Shutdown Module
- SIL – SIL 2 Certification
- SS – Stainless Housing
Example
D500-S-N-D1-H-4/20-FF-PSEN =
Standard D500, Single acting, NPT threads, Namur spindle, Hart Communication, 4-20 mA feedback, Fail freeze – with pressure sensors
Product Features
• Advanced diagnostics with pressure sensors
• Partial stroke standard
• SIL 2 and intrinsically safe optional
• Excellent air delivery with very low air consumption.
• 25 deg to 270 deg rotation
• VAC rotary or linear mounting options
• Seismic vibration-DIN/IEC 60068-3-3 Class III for strongest earthquakes
• Fail-safe standard, Fail Freeze optional
• Stainless housing optional
