Functions
8.7 Functions under "Additional parameters"
SIRIUS 3RW52 Soft Starter
Equipment Manual, 04/2020, A5E35630451002A/RS-AE/005
143
8.7
Functions under "Additional parameters"
Operating principle
The 3RW52 soft starter has additional functions and settable parameters that are to be found
under "Additional parameters" in the 3RW5 HMI High Feature.
Setting options
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3RW5 HMI High Feature (accessory)
Access protection to 3RW5 HMI High Feature is not active or has been reset.
Menu: "Parameters > Soft Starter > Additional parameters"
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You can find additional setting options, if they exist, in the associated chapter of the
respective parameter.
Parameters
Parameter
Description
Typical ambient temperature
(can only be set via
3RW5 HMI High Feature)
The 3RW52 soft starter is set to the predominant, typical ambient temperature
actually present in the system. Ensure that the set typical ambient temperature is not
exceeded.
x
40 °C
x
50 °C
x
60 °C (factory setting)
Bypass operating mode
x
Internal bypass (factory setting)
x
External bypass
Contact Technical Support (Support Request (Page 12)) for operating with an
external bypass.
x
No bypass
Use the "No bypass" setting for applications with high switching frequency.
Please note that the "No bypass" setting is not suitable for applications in
continuous duty. Contact Technical Support (Support Request (Page 12)) for
operating without a bypass.
Test with small load
The control and main circuit wiring is tested on a small load using a test motor. A
direction of rotation test can be performed by monitoring the motor shaft or the load
connected to it.
x
Activate
x
Deactivate
For more setting options and further information, see chapter Test with small load
(Page 145).
Control via digital input
The parameter defines how the master control behaves on failure of the bus
connection or a CPU stop. For more setting options and further information, see
chapter Response to bus errors / Control via digital input (Page 147).