Setting options
• 3RW5 HMI High Feature
Menu: "Parameters > Soft Starter > Ground fault"
Access protection to the 3RW5 HMI High Feature is not active or has been reset.
• With SIRIUS Soft Starter ES (TIA Portal) via the local interface on the 3RW5 HMI High Feature
Brief overview: Window "Project Navigation" with current project under created Soft Starter >
"Parameters" > Window "Work area" > "Soft Starter > Ground fault"
• With a fieldbus via a 3RW5 communication module:
– With SIRIUS Soft Starter ES (TIA Portal) Premium / Professional (only via a 3RW5 PROFINET
or PROFIBUS communication module)
Brief overview: See SIRIUS Soft Starter ES (TIA Portal) via the local interface on the
3RW5 HMI High Feature
– Configuration software of the control system (e.g. STEP 7 with corresponding HSP)
– User program
You can find additional information on the parameters that can be set via the fieldbus in the
manual of the respective 3RW5 communication module.
Parameters
Parameters
Description
Ground fault limit warning
If the ground fault current in relation to the rated operational current I
e
exceeds this limit, a
warning is generated and the motor continues to run. The setting "0%" deactivates the moni‐
toring of the limit value.
• Factory setting: 0%
• Limit: 10 ... 95%
• In steps of: 5%
Ground fault limit error
If the ground fault current in relation to the rated operational current I
e
exceeds this limit, an
error is generated and the motor is shut off. The setting "0%" deactivates the monitoring of the
limit value.
• Factory setting: 20%
• Limit: 10 ... 95%
• In steps of: 5%
Functions
8.10 Ground fault
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
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Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006