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Auma Riester GmbH & Co. KG
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  5. Auma - Model AC-SIL/ACExC-SIL - ...

Auma - Model AC-SIL/ACExC-SIL -Sophisticated Control Actuator

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AUMA offers sophisticated control for premium safety requirements with AC 01.2-SIL or ACExC 01.2-SIL actuators controls. SA .2 and SQ .2 actuators combined with these actuator controls can be deployed in safety-related system systems up to SIL 3. AC 01.2 actuator controls in SIL version are equipped with an additional SIL module designed for the execution of safety functions. 

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In case of an emergency at the plant and when requesting a safety function, the standard logic of AC is bypassed and the safety function is performed via the safe SIL module. Consequently, the safety function always overrules standard operation. SA .2 and SQ .2 actuators equipped with these actuator controls have been certified by TÜV Nord. They are suitable for the following safety functions:

  • Safe OPENING/CLOSING (ESD) up to SIL 2 (single-channel system) or SIL 3 (redundant system) according to IEC 61508 Ed. 2
  • Safe STOP up to SIL 2 (single-channel system) according to IEC 61508 Ed. 2
  • Safe end position feedback signal up to SIL 2 according to IEC 61508 Ed. 2 or up to PL c according to ISO 13849 (not integral part of the certificate. A separate declaration of incorporation is available.)
 

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)
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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, HART, Foundation Fieldbus, Wireless HART)
  • Fieldbus interface also available in component redundancy
  • Limit and torque as analogue signals
    (in combination with MWG magnetic limit and torque transmitter)
  • Operation data logging
  • Bluetooth interface to notebook and Android tablet
  • Functional safety:
    Up to SIL 3 possible for selected configurations ("1oo2")
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Interfaces

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