AUMA SA 25.1 Operating Instructions Manual page 89

SA 25.1 SA 48.1/SAR 25.1
AC 01.2 Non-Intrusive Modbus RTU
Features and functions
Diagnostic functions
Motor protection evaluation
ACV 01.2 heating system (option)
Overvoltage protection (option)
Electrical connection
Threads for cable entries
Wiring diagram
Further options for Non-intrusive version with MWG in the actuator
Setting of limit and torque switching via local controls
Torque feedback signal
Settings/programming the Modbus RTU interface
Setting the Modbus RTU interface
General data of the Modbus RTU interface
Communication protocol
Network topology
Transmission medium
Fieldbus interface
Transmission rate/cable length
Device types
SAR 30.1 Control unit: electronic (MWG)
Electronic device ID with order and product data
Logging of operating data: 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.
Standard: Monitoring the motor temperature in combination with thermoswitches within actuator
motor
Options: Thermal overload relay in controls combined with thermoswitches within actuator
PTC tripping device in combination with PTC thermistors within actuator motor
Temperature versions below 30 °C incl. heating system for connection to external power supply 230
V AC or 115 V AC or internal version 400 V AC
Protection of the actuator and control electronics against overvoltages on the fieldbus cables of up to 4
kV
Standard: AUMA plug/socket connector with screw-type connection
Option: Gold-plated control plug (sockets and plugs)
Standard: Metric threads
Options: Pg-threads, NPT-threads, G-threads
Terminals or crimp-type connection
Refer to name plate
Via Modbus RTU interface
Galvanically isolated analogue output 0/4
ation with output contacts.
Baud rate, parity and Modbus address are set via the display of actuator controls
Modbus RTU according to IEC 61158 and IEC 61784
Line (fieldbus) structure. When using repeaters, tree structures can also be implemented.
Coupling and uncoupling of devices during operation without affecting other devices is possible.
Twisted, screened copper cable according to IEC 61158
EIA-485 (RS-485)
Redundant line topology:
Baud rate (kbit/s)
9.6 115.2
Redundant ring topology:
Baud rate (kbit/s)
9.6 115.2
Modbus slave, e.g. devices with digital and/or analogue inputs/outputs such as actuators, sensors
20 mA (load max. 500 Ω). Option, only possible in combin-
Max. cable length (segment
length) without repeater
1,200 m
Max. cable length between actuat-
ors (without repeater)
1,200 m
Technical data
Possible cable length with repeat-
er (total network cable length)
approx. 10 km
Max. possible cable length of re-
dundant loop
approx. 290 km
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