Table of Contents
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Functions
Overview of the described functions
Function
Parameter sets (Page 91)
Application wizard (Page 92)
Motor parameters (Page 95)
Startup (Page 131)
(Page 140)
(Page 142)
Direct start (Page 143)
Motor heating (Page 143)
Breakaway pulse (Page 144)
Pump stopping mode (Page 152)
DC braking with external braking contactors
(Page 154)
Dynamic DC braking without contactor (Page 157)
Reversing DC braking with a reversing contactor as-
sembly (Page 160)
Sensorless motor standstill detection (Page 162)
Complete motor protection (Page 166)
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006
Soft Starter
3RW55
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
(from firmware version V2.0)
x
(from firmware version V2.0)
x
x
x
x
x
x
x
x
8
3RW55 Failsafe
x
x
x
x
x
x
x
x
x
x
-
x
x
x
x
x
x
-
-
-
-
-
-
x
x
x
x
x
x
-
129
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