Commands and signals of the HART interface
Device class: "Actuator"
Supported control types:
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Loop Current Mode activated:
Analogue 4 – 20 mA control signal for position setpoint
●
Loop Current Mode deactivated:
Digital HART commands for position setpoint (0 – 100.0 %) or for discrete operation in directions
OPEN and CLOSE
Device category: “Current Output”:
●
Loop Current Mode activated:
Analogue 4 – 20 mA output signal for position feedback signal (point-to-point wiring)
Digital HART commands for position setpoint (0 – 100.0 %) or for discrete operation in directions
OPEN and CLOSE
●
Loop Current Mode deactivated: Analogue output signal for position feedback fixed to 4 mA (multidrop
wiring)
Digital HART commands for position setpoint (0 – 100.0 %) or for discrete operation in directions
OPEN and CLOSE
Output data
End positions OPEN, CLOSED
Actual position value
Actual torque value, requires magnetic limit and torque transmitter (MWG) in actuator
Selector switch in position LOCAL/REMOTE
Running indication (directional)
Torque switches OPEN, CLOSED
Limit switches OPEN, CLOSED
Manual operation by handwheel or via local controls
Analogue (2) and digital (4) customer inputs
Device Status Informationen
●
Field Device Status
●
Device Specific Status
●
Extended Device Status Information
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Standardized Status
●
Analog Channel Saturated
●
Analog Channel Fixed
Feedback signals
Motor protection tripped
Torque switch tripped in mid-travel
One phase missing
Failure of analogue customer inputs
Fehlermeldungen
Service conditions
Indoor and outdoor use permissible
Use
Any position
Mounting position
≤
2 000 m above sea level
> 2,000 m above sea level, on request
Installation altitude
Refer to name plate of actuator controls
Ambient temperature
Up to 100 % relative humidity across the entire permissible temperature range
Humidity
IP68
Terminal compartment additionally sealed against interior of actuator controls (double sealed)
Enclosure protection according to
EN 60529
According to AUMA definition, enclosure protection IP68 meets the following requirements:
●
Depth of water: Maximum 8 m head of water
●
Duration of continuous immersion in water: Maximum 96 hours
●
Up to 10 operations during continuous immersion
●
Modulating duty is not possible during continuous immersion.
For exact version, refer to actuator controls name plate.
Pollution degree 4 (when closed), pollution degree 2 (internal)
Pollution degree according to IEC
60664-1
1 g, from 10 Hz to 200 Hz
Resistant to vibration during start-up or for failures of the plant. However, a fatigue strength may not be
derived from this. (Not valid in combination with gearboxes)
Vibration resistance according to
IEC 60068-2-6
97
SAEx 07.2 – SAEx 16.2/SAREx 07.2 – SAREx 16.2 Control unit: electronic (MWG)
ACExC 01.2 Non-Intrusive HART
Technical data
