Siemens SIRIUS 3RW55 - 3 RW55 Soft Starter in Standard (Inline) Circuit with Soft Starting, Soft Stopping and the Additional Function Creep Speed

Q11 3RW55 soft starter
Q21 PLC
Q91 Braking contactor
Q92 Braking contactor
M1 Motor
PE Protective conductor
A.3.4 3RW55 soft starter in standard (inline) circuit with soft starting, soft stopping
and the additional function "Creep speed"
Note
Do not use the "Creep speed" function in continuous operation The motor can heat up
impermissibly in continuous operation at Creep speed.
Requirements
• 3RW55 soft starter
• Parameterization required
You will 󹪝nd further information in chapter Creep speed (Page 172).
Procedure
1. Set the function of the digital inputs:
– DI1 Motor CW with PS1
– DI2: Motor CCW with PS1
– DI3: Creep speed
– DI4: Reset (factory setting)
2. Set the creep speed parameters in parameter set 1.
Example circuits
A.3 Special applications
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006 315