"Automatic" mode
The control source is connected to the 3RW5 Soft Starter via the 3RW5 communication module.
In "Automatic" mode, a programmable logic controller (PLC) has master control.
Note
"Automatic operation - input controlled" mode
The "Automatic operation - Input controlled" mode is available for the soft starter 3RW55 from
rmware version V2.1 and soft starter 3RW55 Failsafe with rmware version V1.1.0 or higher if
the digital inputs have master control by activating the "Manual operation local - input
controlled" bit in the process image output (PIQ). The PLC can fetch back control at any time.
Operating mode "Manual - bus"
The control source is connected to the 3RW5 soft starter via the 3RW5 communication module.
In operating mode "manual - bus" a control source on the eldbus has control:
• SIRIUS Soft Starter ES (TIA Portal) Premium / Professional
• Web server
Operating mode "manual - local"
In the operating mode "manual - local" the master control function rests with a control source
directly on the 3RW5 soft starter:
• Input IN (3RW50 and 3RW52 Soft Starters) or digital inputs (3RW55 and 3RW55 Failsafe soft
starters)
• 3RW5 HMI
• SIRIUS Soft Starter ES (TIA Portal) via local interface on the 3RW5 HMI High Feature
Priorities of the operating modes
Mode Control source Priority
Automatic - PLC Lowest
Input controlled
1)
Digital inputs
2)
↓
Manual operation bus - Connection abort
3)
↓
PC controlled SIRIUS Soft Starter ES (TIA Portal) Premium / Professional ↓
Webserver controlled Web server
Description
3.5 Operating modes and master control function
SIRIUS 3RW5 PROFINET communication modules
Equipment Manual, 05/2021, A5E35631297002A/RS-AD/004 25
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