Siemens SIRIUS 3RW55 Equipment Manual page 217

Soft starters and solid-state switching devices
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Parameters
Response to overload switching element
Response to preset unequal actual config‐
uration for the following devices:
Soft starter
3RW5 HMI High Feature
Communication module (if there is
one)
Bypass operating mode
3)
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006
Description
This parameter determines how the soft starter will behave when the intrinsic
device protection has tripped due to an overload.
Turn off without restart (factory setting)
If a fault limit is exceeded, an error message and an internal trip command are
generated. If a lower fault limit is violated, the error message and the internal
trip command can be acknowledged with the "Reset" function after a cooling
time of 60 seconds.
Turn off with restart
If a fault limit is exceeded, an error message and an internal trip command are
generated. If a lower fault limit is violated, the error message and internal trip
command are automatically acknowledged or canceled after a cooling time of
60 seconds.
A preset unequal actual configuration is present if there is a faulty configuration
or if there are differences between the real and configured slots of the module. The
parameter has no effect if a higher-level controller transfers a parameter assign‐
ment.
Ignore (factory setting)
In the case of a preset unequal actual configuration the 3RW55 or 3RW55
Failsafe soft starter continues to operate (if necessary) with a restricted func‐
tion. If necessary, the technology function operates with substitute values to
be determined on a product-specific basis.
Warn
In the case of a preset unequal actual configuration, no internal trip command
is generated. The warning "preset unequal actual configuration" appears.
Turn off
In the case of a preset unequal actual configuration, an internal trip command
is generated. This internal trip command must be acknowledged with the
"Reset" function. If a 3RW5 PROFINET or PROFIBUS communication module is
available, then when a module is withdrawn or inserted a corresponding
withdrawal / insertion alarm is sent to the higher-level controller.
Internal bypass (factory setting)
External bypass
2)
Note that in this operating mode, the motor current can no longer be meas‐
ured by the soft starter. Functions that are based on this current measured
value are deactivated (electronic motor overload protection, diagnostic mes‐
sages, ...)
For a sample circuit, see Chapter "External bypass (Page 334)".
Contact Technical Support (Support Request (Page 11)) for operating with an
external bypass.
No bypass
2)
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 11)) for operating without
a bypass.
8.16 Functions under "Additional parameters"
Functions
217

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