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Actuator controls, AC (with display)

ACExC

Explosion-proof devices must be used in plants where potentially explosive atmospheres are likely to occur. These devices are designed so that they will not act as an ignition source. They neither generate ignition sparks, nor hot surface temperatures. Certification is performed in close collaboration with national and international certification bodies. For multi-turn actuators SAEx/SAREx 07.2 – SAEx/SAREx 16.2 and part-turn actuators SQEx/SQREx 05.2 – SQEx/SQREx 14.2, AUMATIC ACExC 01.2 actuator controls with integral local controls are available.

Explosion-proof microprocessor-based actuator controls with comprehensive functions

Design features

  • Modular interface concept for remote control
  • Local controls with lockable selector switch, push buttons and indication lights
  • LCD for status monitoring and parametrisation support
  • Non-intrusive actuator setting and control parametrisation
    (in combination with MWG magnetic limit and torque transmitter)
  • Separate mounting onto wall bracket
  • Motor control via reversing contactors or thyristors
  • Phase monitoring with automatic phase correction
  • External 24 V DC supply (option)

Service conditions

  • Wide temperature range
  • Highest enclosure protection
  • High quality corrosion protection

Interface and functional properties

  • Control inputs for different voltages (DC/AC)
  • Programmable, potential-free output contacts for status signalling
  • Analogue control (0/4 – 20 mA)
  • Programmable stepping mode (for running time extension)
  • Intermediate positions can be freely defined
  • Process controller (PID)
  • Fieldbus control (Profibus DP/DP-V2, Profinet, Modbus RTU, Modbus TCP, Foundation Fieldbus, HART, Wireless HART)
  • Fieldbus interface also available in component redundancy
  • Behaviour in case of emergency situations and communication loss
    (programmable)
  • Limit and torque as analogue signals
    (in combination with MWG magnetic limit and torque transmitter)
  • Operation data logging
  • Bluetooth interface to notebook and Android tablets
  • Functional safety:
    In selected configurations, safe end position feedback up to SIL 2 is possible

Interfaces

  • Electrical connection via AUMA plug/socket connector
    (terminals as alternative)
  • Cable entries in different versions
  • FOC connection for fieldbus interfaces

Specifications

Key information at a glance

Service conditions

Approvals