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Features and functions
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Valve overload protection: adjustable, results in switching off and generates fault signal
●
Motor temperature monitoring (thermal monitoring): results in switching off and generates fault indic-
ation
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Monitoring the heater within actuator: generates warning signal
●
Monitoring of permissible on-time and number of starts: adjustable, generates warning signal
●
Operation time monitoring: adjustable, generates warning signal
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Phase failure monitoring: results in switching off and generates fault signal
●
Automatic correction of rotation direction upon wrong phase sequence (3-ph AC current)
Monitoring functions
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Electronic device ID with order and product data
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Operating data logging: A resettable counter and a lifetime counter each for:
-
Motor running time, number of starts, torque switch trippings in end position CLOSED, limit
switch trippings in end position CLOSED, torque switch trippings in end position OPEN, limit
switch trippings in end position OPEN, torque faults CLOSE, torque faults OPEN, motor protection
trippings
●
Time-stamped event report with history for setting, operation and faults
●
Status signals according to NAMUR recommendation NE 107: "Failure", "Function check", "Out of
specification", "Maintenance required"
●
Torque characteristics (for version with MWG in actuator):
-
3 torque characteristics (torque-travel characteristic) for opening and closing directions can be
saved separately.
-
Torque characteristics stored can be shown on the display.
Diagnostic functions
PTC tripping device in combination with PTC thermistors within actuator motor
Standard:
Motor protection evaluation
Thermal overload relay in controls combined with thermoswitches within actuator
Option:
AUMA Ex plug/socket connector with screw-type terminals (KP), max. 38 control terminals
/ max. supply voltage 525 V AC
Standard:
Electrical connection
●
AUMA Ex plug/socket connector with terminal blocks (KES), increased safety Ex e
●
AUMA Ex plug/socket connector with terminal blocks (KES), flameproof enclosure Ex
d
●
AUMA Ex plug/socket connector (KT); screw-type motor terminals; push-in type control
terminals
Options:
Metric threads
Standard:
Threads for cable entries
Pg-threads, NPT-threads, G-threads
Options:
Refer to name plate
Wiring diagram
Further options for version with MWG in actuator
Setting of limit and torque switching via local controls
Via HART interface
Galvanically isolated analogue output 0/4 – 20 mA (load max. 500
Ω
). Option, only possible in combin-
ation with output contacts.
Torque feedback signal
Refer to name plate
Wiring diagram
Setting/programming the HART interface
The HART address is set via HART command 6 or alternatively via the actuator controls (default value:
0)
Setting the HART address
95
SAEx 07.2 – SAEx 16.2/SAREx 07.2 – SAREx 16.2 Control unit: electronic (MWG)
ACExC 01.2 Non-Intrusive HART
Technical data