Digital Positioners - Logix 520MD
Product Brand
Logix™
Type
Positioners
SubType
Digital Positioners
About this product

The Logix® 520MD Series digital positioner combines superior positioning and tuning functions with convenient setup and powerful diagnostic tools. The Logix 520MD positioner uses a multi-variable gain tuning algorithm which allows the positioner to make large step changes with minimal overshoot while achieving the resolution to respond to very small step changes. The Auto-tune procedure cycles the actuator to produce a measured response and selects gain values that provide appropriate actuator performance. The Auto-tune function includes a gain modifier selector that can be used to increase or decrease the calculated gain in order to achieve optimal performance. Easy DIP switch configuration for tuning mode and other common settings. For custom settings, tuning sets can be modified with a handheld or with ValveSight™ software, to accommodate a wide range of actuator sizes and types.

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• Easy commissioning with fast, simple configuration
• Self-calibration and  auto-tune with adjustable gain selector
• Industry standard HART communications
• Low air consumption
• Two-stage control design for faster response times and tighter control.
• Standard Diagnostic functionality through ValveSight™ software

Intrinsically safe:

  • Class I Division 1 Groups A,B,C,D
  • Class 1, Zone 0, AEx ia IIC

Nonincendive: Class I Division 2 Goups A,B,C,D

Temperature range: -40°C to +80°C
Humidity: 0-100% Non-condensing

Materials: Aluminum

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