Siemens SIRIUS 3RW55 Equipment Manual page 188

Functions
8.10 Ground fault
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
– 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
Ground fault limit warning
Ground fault limit error
188
or PROFIBUS communication module)
Brief overview: See SIRIUS Soft Starter ES (TIA Portal) via the local interface on the
3RW5 HMI High Feature
Description
If the ground fault current in relation to the rated operational current I
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%
If the ground fault current in relation to the rated operational current I
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%
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006
exceeds this limit, a
e
exceeds this limit, an
e