Activating The Energy Saving Function - Siemens PROFINET SIRIUS 3RW5 Equipment Manual
Soft starters and solid-state switching devices
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Also See for PROFINET SIRIUS 3RW5:
- Equipment manual (186 pages) ,
- Manual (116 pages) ,
- Equipment manual (182 pages)
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Functions
8.1 PROFIenergy
Operating principle of the energy saving mode
The following graphic shows the principle of operation of commands, parameters and
diagnostic messages:
①
②
③
④
t
off
t
off_min
t
on
t
Pause_min
8.1.2.2
Activating the energy saving function
After the "Start_Pause" command the 3RW5 soft starter checks the transmitted pause time
(t
Pause
specific minimum pause time (t
remains in operating mode and sends an error message.
To switch off the motor, the following cyclic and acyclic control data of the controller (bits in the
process image output (PIQ)) are suppressed and overwritten with the value "0":
• "Motor CW"
• "Motor CCW"
The other bits of the PIQ (e.g. "Reset") remain active.
86
Message "Start pause pending" (46.6) in data set 92 from 3RW5 soft starter (slot 2) (Page 168)
Message "Energy saving mode active" (46.7) in data set 92 from 3RW5 soft starter (slot 2)
(Page 168)
Energy saving mode
Operating mode
"Time_to_Pause" parameter
"Time_min_length_of _stay" parameter
"Time_to_operate" parameter
"Time_min_Pause" parameter
). The switch to energy saving mode only takes effect when t
). If the pause time is shorter, the 3RW5 soft starter
Pause_min
Equipment Manual, 05/2021, A5E35631297002A/RS-AD/004
is greater than the device-
Pause
SIRIUS 3RW5 PROFINET communication modules
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