Description
3.7 Operating modes and master control function
SIRIUS 3RW5 Modbus communication module
32 Equipment Manual, 03/2020, A5E43676481002A/RS-AC/003
3.7 Operating modes and master control function
3.7.1 Operating modes
Control source and master control
The operating modes assign access rights to the various control sources (access sources).
The control source that possesses the rights for controlling and writing access has control.
As only one control source can ever have control at one time, different priorities are assigned
to the modes. Read access is also possible without control.
Control source: 3RW5 HMI, operating mode: Manual operation local - HMI controlled
Control source: Input IN or digital inputs,
operating mode: Manual operation local - input controlled or Automatic - input controlled
Control source: Modbus client or Modbus master (e.g. PLC), operating mode: Automatic
Control source: SIRIUS Soft Starter ES (TIA Portal),
operating mode: Manual operation local - PC controlled
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