Wiring of control circuit for control by PLC
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F1 Fuse
Q1 Motor starter protector
Q11 3RW55 soft starter
Q21 PLC
M1 Motor
PE Protective conductor
A.2.2 Control by switch
Requirements
• 3RW55 or 3RW55 Failsafe soft starter (the example shows the 3RW55 soft starter with a
Standard circuit)
• Parameterization required
Example circuits
A.2 Control circuit connection
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
300 Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006