Siemens SIRIUS 3RW55 Equipment Manual page 158

Functions
8.2 Run-down
Validity
This stopping mode is not available for the 3RW55 Failsafe soft starter.
Requirements
• 3RW55 soft starter in standard (inline) circuit
• Ex operation not active
Setting via 3RW5 HMI High Feature
• Menu: "Parameters > Soft Starter > Parameter set 1 / 2 / 3 > Stopping mode settings >
Stopping mode > Dynamic DC braking"
• Menu (Parameters): "Parameters > Soft Starter > Parameter set 1 / 2 / 3 > Stopping mode
settings"
• Access protection to the 3RW5 HMI High Feature is not active or has been reset.
Torque characteristic without braking delay
①
②
t
1
t ... t
1
M
e
158
DC braking torque
Dynamic braking torque
Stop command on the 3RW55 soft starter
Stopping time
2
Rated torque
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006