Page 1 ___________________ Description ___________________ Safety information ___________________ Industrial Controls Mounting and dismantling ___________________ Connecting Soft starters and solid-state switching devices ___________________ SIRIUS 3RW55 soft starter Parameter assignment ___________________ Commissioning Manual ___________________ Functions ___________________ Messages and diagnostics ___________________ Maintenance and service ___________________...
Page 2 Note the following: WARNING Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation. If products and components from other manufacturers are used, these must be recommended or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and maintenance are required to ensure that the products operate safely and without any problems.
Page 3: Table Of Contents
Siemens Industry Online Support ................... 28 1.12 Technical Assistance ......................30 1.13 Siemens Industry Online Support app ..................31 Safety information ..........................33 ESD Guidelines ........................33 Five safety rules for working in or on electrical systems ............35 Reactive power compensation ....................36 Electromagnetic compatibility (EMC) according to IEC 60947-4-1 ........
Page 4 Torque control ........................98 7.3.4 Pump stop ..........................100 7.3.5 DC braking with external braking contactor ................. 102 7.3.6 Dynamic DC braking without contactor ................104 7.3.7 Voltage ramp ........................106 7.3.8 Alternative stopping ......................107 SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 5 Security ..........................166 7.18.9.1 General advice on using PINs ....................166 7.18.9.2 Defining the local access protection (PIN) ................167 7.18.9.3 User login and logout ......................169 7.18.10 Micro SD card ........................170 SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 6 Restoring the factory settings with the Master RESET button via 3RW5 HMI High Feature ..........................194 Technical specifications ........................195 10.1 Technical data in Siemens Industry Online Support ............195 Dimension drawings ..........................197 11.1 CAx data ..........................197 Circuit diagrams ........................... 199 12.1...
Page 7 3RW55 soft starter with direct-on-line starting (DOL) as emergency start ......228 A.3.8 EMERGENCY STOP shutdown to SIL 1 or PL c with a 3SK1 safety relay ......229 Glossary ............................. 231 Index..............................233 SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 8 Table of contents SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 9: Description
● Service and maintenance Requirements for use of 3RW5 soft starters Basic knowledge of the following areas: ● General electrical engineering ● Drive technology ● Automation technology ● Handling the automation system and the software used SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 10: Hardware Configuration
Eye for lead seal ⑤ Slot for 3RW5 communication module (accessory) ⑥ Connectable conductor cross sections ⑦ Main circuit connection (motor) ⑧ Control terminals (inputs / outputs) ⑨ Control cable duct with cover SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 11: Operating Principle
Motor start-up with set starting voltage U Set starting voltage Rated speed n achieved Rated operational voltage End of the set ramp-up time Rated motor speed Switch-on command is cancelled, motor is switched off SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 12 ● Cascade connection for connecting the output of a 3RW55 to the input of further soft starters ● Serial switch-on can switch on and off as many as 3 different motors one after the other SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 13: Interaction Interfaces
Description 1.3 Interaction interfaces Interaction interfaces ① SIRIUS 3RW55 soft starter ② 3RW5 HMI High Feature ③ LED display on 3RW55 soft starter ④ Fieldbus (via optional 3RW5 communication module) ⑤ PC or programming device with configuration software of the controller (e.g. STEP 7) ⑥...
Page 14: Operating Modes And Master Control Function
"Manual operation local" mode In the following cases: ● Input action "Manual operation local" is parameterized and switched on. ● A controlling input action (e.g. "Motor CW") is parameterized, but the input action "Manual operation local" is not parameterized. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 15 You will find more information on the process images and data tables in the manual for the 3RW5 communication module in question. – SIRIUS Soft Starter ES (TIA Portal) (depending on the 3RW5 communication module) SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 16: Device Versions
Description 1.5 Device versions Device versions Size 1 Size 2 Size 3 Size 4 SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 17 1.5 Device versions Size 1 Size 2 Size 3 Size 4 Rated operational current Rated power The stated power ratings apply to a rated operational voltage of U = 400 V in an inline circuit. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 18: Areas Of Application / Load Types
● No pressure surges, e.g. for pumps ● Increased service life of the pipe system, e.g. for compressors ● Reduced starting current, e.g. for agitators ● Reduced stress on gearbox and V belt, e.g. for saws SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 19: Selection Of The Soft Starter Using The Simulation Tool For Soft Starters
The STS suggests suitable soft starters for the respective application based on the entered motor and load data and application requirements, as well as providing information on the parameterization. The Simulation Tool for Soft Starters (STS) can be downloaded from the Internet (https://support.industry.siemens.com/cs/ww/en/view/101494917). SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 20: Structure Of The Article Number
24 V AC / DC 110 V - 250 V AC 1 Rated operational voltage U 200 - 480 V AC 200 - 600 V AC 400 - 690 V AC *see table below. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 21 = 110 kW = 250 A = 132 kW = 315 A = 160 kW = 370 A = 200 kW = 470 A = 250 kW = 570 A = 315 kW SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 22: Accessories
Description 1.9 Accessories Accessories 1.9.1 3RW55 soft starter accessories SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 23 Push-in lugs for wall mounting (3ZY1311-0AA00) ⑦ IP65 door mounting kit (3RW5980-0HD00) ⑧ HMI connecting cable: 0.1 m (3UF7931-0AA00-0) • 0.5 m (3UF7932-0BA00-0) • 1 m (3UF7937-0BA00-0) • 2.5 m (3UF7933-0BA00-0) • 5 m (3RW5980-0HC60) • SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 24: Rw5 Communication Module
STEP 7 (TIA Portal) via GSD / GSDML or HSP. You will find further information on operation of the 3RW5 communication module in the manual for the 3RW5 communication module in question. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 25: Sirius Soft Starter Es (Tia Portal)
With the premium license, soft starters can also be parameterized and diagnosed from a central location via PROFIBUS DP or PROFINET on the optional communication module. SIRIUS Soft Starter ES (TIA Portal) can be downloaded from the Internet (https://support.industry.siemens.com/cs/ww/en/ps/24231/dl). SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 26: Additional Documentation
(https://support.industry.siemens.com/cs/ww/en/view/109753755) ● Online help for SIRIUS Soft Starter ES (TIA Portal) ● Online help for STEP 7 ● The EMC Directive 2014/30/EU in practice (http://www.siemens.com/emc-guideline) ● Industrial Control Panels and Electronic Equipment of Industrial Machinery for North America (http://www.siemens.com/UL508A) ● Control Panels compliant with IEC Standards and European Directives (http://www.siemens.com/iec60204)
Page 27 1.10 Additional documentation Interesting links ● FAQs for soft starters 3RW5 (https://support.industry.siemens.com/cs/ww/en/ps/16212/faq) ● Downloads for soft starters 3RW5 (https://support.industry.siemens.com/cs/ww/en/ps/16212/dl) ● Manuals in Siemens Industry Online Support (https://support.industry.siemens.com/cs/ww/en/ps/man) ● Product support for STEP 7 (TIA Portal) (https://support.industry.siemens.com/cs/ww/en/ps/14672) ● Further information on PROFINET (https://www.siemens.com/global/en/home/products/automation/industrial- communication/profinet.html)
Page 28: Siemens Industry Online Support
Siemens Industry Online Support Information and service At Siemens Industry Online Support you can obtain up-to-date information from our global support database quickly and simply. To accompany our products and systems, we offer a wealth of information and services that provide support in every phase of the lifecycle of your machine or plant –...
Page 29 Description 1.11 Siemens Industry Online Support mySupport With "mySupport", your personal work area, you get the very best out of your Industry Online Support experience. Everything enables you to find the right information - every time. The following functions are now available: ●...
Page 30: Technical Assistance
Technical Assistance. After describing your query in a few guided steps, you will immediately be provided with possible suggestions for solving the problem. Technical Assistance: Telephone: +49 (0) 911-895-5900 (8:00 a.m. - 5:00 p.m. CET) Fax: +49 (0) 911-895-5907 E-mail (mailto:technical-assistance@siemens.com) Internet (http://www.siemens.com/sirius/technical-assistance) SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 31: Siemens Industry Online Support App
Siemens Industry Online Support app Siemens Industry Online Support app You can use the Siemens Industry Online Support app to access all the device-specific information available on the Siemens Industry Online Support portal for a particular article number, including operating instructions, manuals, datasheets, FAQs etc.
Page 32 Description 1.13 Siemens Industry Online Support app SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 33: Esd Guidelines
The damage caused to a device by overvoltage is usually not immediately evident and is only noticed after an extended period of operation. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 34 In this way, the discharged energy cannot reach or damage sensitive devices. Discharge your body before taking any necessary measurements on a device. Do so by touching grounded metallic parts. Use only grounded measuring instruments. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 35: Five Safety Rules For Working In Or On Electrical Systems
5. These parts should be covered, or barriers erected around them, to avoid accidental contact during the work with adjacent parts that are still live. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 36: Reactive Power Compensation
If a contactor disconnector or main contactor are used together with the electronic 3RW55 soft starter, the capacitors must be disconnected from the 3RW55 soft starter when the contactor is open. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 37: Electromagnetic Compatibility (Emc) According To Iec 60947-4-1
Electromagnetic compatibility (EMC) according to IEC 60947-4-1 This product is designed for Environment A. It may produce radio interference in domestic environments, in which case the user may be required to take adequate mitigation measures. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 38: Security Information
In order to protect plants, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art industrial security concept. Siemens’ products and solutions only form one element of such a concept. Customer is responsible to prevent unauthorized access to its plants, systems, machines and networks.
Page 39: Recycling And Disposal
For environmentally friendly recycling and disposal of your old device, please contact a company certified for the disposal of old electrical and electronic devices and dispose of the device in accordance with the regulations in your country. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 40 Safety information 2.6 Recycling and disposal SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 41: Mounting The 3Rw55 Soft Starter
1. Mount the 3RW55 soft starter on a level surface. (Page 43) 2. Ensure that the permissible temperature range and the necessary clearances are complied with. Technical data in Siemens Industry Online Support (Page 195) 3. Optionally mount the fan cover. (Page 42) 4. Optionally install the communication module.
Page 42: Mounting The Fan Cover
– Sizes 2 and 3: You require 2 fan covers. Due to the design, 3 screws are sufficient in each case. – Size 4: You require 1 fan cover and 4 screws. Result The fan cover provides enhanced touch protection and prevents the fan from being blocked by foreign objects. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 43: Mounting The 3Rw55 Soft Starter On A Level Surface
● Screwdriver (depending on the drive of the screws) Note If necessary, use shims and snap rings. Size Article number Screws Tightening torque Size 1 3RW551.-..5 Nm Size 2 3RW552.-..Size 3 3RW553.-..Size 4 3RW554.-..8 Nm SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 44 1.5 cm (min. 2 cm for size 4) and then place the 3RW55 soft starter onto the ② 2 lowermost screws from above. ③ ● Tilt the 3RW55 soft starter up so that it is resting level against the mounting plate ④ tighten all 4 screws SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 45: Installing / Mounting / Removing 3Rw5 Hmi High Feature
● Pull the 3RW5 HMI High Feature far enough out of the 3RW55 soft starter to gain access to the HMI connecting cable. ④ ● Unfasten the retaining elements of the HMI connecting cable and pull the HMI ⑤ connecting cable out of the 3RW55 soft starter SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 46: Installing The 3Rw5 Hmi High Feature In The 3Rw55 Soft Starter
① ③ ● Observe the coding of the plug and socket ● Observe the cable routing: ① Cable routing to the right ③ Cable routing to the left SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 47: Installing The High Feature 3Rw5 Hmi On A Flat Surface
Pay attention to the coding of the plug and socket. ① ● Insert the push-in lugs into each side of the enclosure until you hear them engage ② ③ fix the 3RW5 HMI High Feature on the wall SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 48: Installing The 3Rw5 Hmi High Feature In The Control Cabinet Door
Procedure without IP65 door mounting kit ① Place the 3RW5 HMI High Feature in the cutout of the control cabinet door . Ensure that ② the 3RW5 HMI High Feature engages audibly in the 4 fixtures SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 49 Fasten the fixing brackets onto the 3RW5 HMI High Feature ⑤ ● Tighten the 3RW5 HMI High Feature with a tightening torque of 0.3 ... 0.35 Nm Ensure that the fixing brackets with marking "002" are used. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 50 Make sure that you install the cable in accordance with EMC requirements. For example, route data cables separately from the motor cable. Connect both sides of shielded cables over a large surface area. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 51: Replacing The Hinged Cover Of The 3Rw55 Soft Starter
● Loosen the hinges vertical to the soft starter surface starting from the bottom. ● Take the cover off the 3RW55 soft starter. ● Follow the steps in reverse order to install the replacement hinged cover. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 52 Mounting and dismantling 3.4 Installing / mounting / removing 3RW5 HMI High Feature SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 53: Connecting
Thermistor motor protection T1 and T2: Connection of a temperature sensor (optional) Note Parameterizing the analog output You can parameterize the output of the analog output with the 3RW5 HMI High Feature. (Page 141) SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 54: Connecting The 3Rw55 Soft Starter
Connecting the control terminals (screw terminals) (Page 60) Connecting the control terminals (spring-type terminals) (Page 62) 4. Mount the supplied cover for the control cable duct. (Page 66) Result The 3RW55 soft starter is connected and ready to operate. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 55: Connect The 3Rw55 Soft Starter To The Main Circuit Connection (Line Side / Motor Side)
10 ... 14 Nm Size 4 3RW5.4.-..14 ... 24 Nm DANGER Hazardous voltage. Will cause death or serious injury. Turn off and lock out all power supplying this device before working on this device. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 56 ● Feeder assembly, type of coordination 1 fuseless (Page 201) ● Feeder assembly, type of coordination 1 with fuses (Page 202) ● Feeder assembly, type of coordination 2 (Page 203) ● Inside-delta circuit (Page 204) SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 57: Mounting Terminal Covers On Main Circuit Connections
Turn off and lock out all power supplying this device before working on this device. ● Make sure that you mount the terminal cover the right way round on the connecting terminal, as shown in the diagram. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 58: Replacing The Terminals On Size 2 Devices
① ● Unscrew the 3 screws on the two connecting terminals and lever the terminal off the ② ③ main circuit connections ④ ● Remove the connecting terminal from the main circuit connection SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 59 4.5 Replacing the terminals on size 2 devices Assembly procedure ① ● Plug the new terminal into the main circuit connections and tighten the screws with a ② tightening torque of 4.5 ... 6 Nm SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 60: Connecting The Control Terminals (Screw Terminals)
Turn off and lock out all power supplying this device before working on this device. Example circuits You will find additional information on connecting the control terminals in Chapters Control circuit connection (Page 207) and Special applications (Page 212). SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 61: Disconnecting The Control Current Form The Screw-Type Terminals
● Pay attention to the required tools indicated on the front beneath the hinged cover. Procedure DANGER Hazardous voltage. Will cause death or serious injury. Turn off and lock out all power supplying this device before working on this device. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 62: Connecting The Control Terminals (Spring-Type Terminals)
Turn off and lock out all power supplying this device before working on this device. Example circuits You will find additional information on connecting the control terminals in Chapters Control circuit connection (Page 207) and Special applications (Page 212). SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 63: Disconnecting The Control Current From The Spring-Loaded Terminals
● Pay attention to the required tools indicated on the front beneath the hinged cover. Procedure DANGER Hazardous voltage. Will cause death or serious injury. Turn off and lock out all power supplying this device before working on this device. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 64: Replacing The Control Terminals
Will cause death or serious injury. Turn off and lock out all power supplying this device before working on this device. ① ② ● Press against the lock and pull the control terminal out SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 65 Connecting 4.10 Replacing the control terminals Assembly procedure ● Place the control terminal onto the intended connection until the terminal engages. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 66: Installing The Cover For The Control Cable Duct
● Lay the control cables in the control cable ducts and fix the control cables in place with cable ties. ① ● Press the cover for the control cable duct into the openings provided until it audibly ② engages SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 67: Removing The Cover Of The Control Cable Duct
Procedure ① ● Press the cover of the control cable duct at top and bottom from the front and remove ② the cover for the control cable duct of the 3RW55 soft starter SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 68 Connecting 4.12 Removing the cover of the control cable duct SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 69: Parameter Assignment
Tips for parameterizing the 3RW55 soft starter. Entering the motor and load data in the STS software (Page 19) will simulate the application and a suitable soft starter will be suggested. In addition, information regarding parameterization is also provided. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 70 Monitoring the measured values of the 3RW55 soft starter with the 3RW5 HMI High Feature (Page 160) Menu: "Monitoring > Measured values" Monitoring the process image of the 3RW55 soft starter with the 3RW5 HMI High Feature (Page 161) Menu: "Monitoring > Process image" SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 71 3RW5 HMI High Feature. (Page 163) If you are using a 3RW5 communication module, set its parameters. You will find further information on operation of the communication module in the manual of the relevant 3RW5 communication module. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 72: Motor Parameters
If the motor's rated torque is not indicated on the rating plate, you can calculate it using the following formula: Rated torque (Nm) = Power (kW) × (9 550 / rated operating speed (rpm)) Setting range Factory setting Increment 0 ... 10 000 Nm 0 Nm 1 Nm SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 73 The inside-delta circuit makes it possible to increase the operable motor power of the individual devices by a factor of root 3. Operation in the inside-delta circuit is not possible for 690 V. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 74 Parameter assignment 5.2 Motor parameters SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 75: Commissioning
Alternatively commissioning can be performed via an optional communication module and fieldbus system. You will find additional information on operating modes and the respective control priority in Chapter Operating modes and master control function (Page 14). SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 76: Application Wizard
Then adjust the rated operational current I of the motor connected to the soft starter. Result The parameterization has been performed for the selected application. You can make changes to parameters at any time in the "Parameters" menu. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 77: Sealing The Soft Starter (Optional)
SD card from unauthorized access. Proceed in the same sequence as for sealing the spring flap. For more information, see Chapter Design and operator controls of the High Feature 3RW5 HMI (Page 151). SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 78 Commissioning 6.3 Sealing the soft starter (optional) SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 79: Functions
Functions Last changed parameters Operating principle For each parameter set, you can view and directly modify the last 10 changed parameters. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 80: Start-Up
In connection with the four soft starting modes, you can set an advance breakaway pulse. (Page 94) The Automatic parameterization (Page 81) supports you during commissioning and optimizes the starting parameters of the soft starter at each motor start. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 81: Automatic Parameterization
The 3RW55 soft starter always sets the selected starting mode to "Soft starting with voltage ramp and current limiting (Page 89)". If another starting mode is required, deactivate the automatic parameterization and modify the corresponding parameters. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 82 Depending on the selected application, the corresponding preset values are used for this parameter. Change the preset values as required. Factory setting: 400 % • Setting range: 125 ... 800 % • Increment: 1% • SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 83: Soft Starting With Voltage Ramp
● Systems in which a startup of the drive without interfering jerky movements is required. Diagrams ① Voltage ramp with short ramp-up time t ② Voltage ramp with long ramp-up time t Line voltage rated Parameterizable starting voltage Short ramp-up time Long ramp-up time SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 84 Torque with direct-on-line starting without the 3RW55 soft starter ② Torque with short ramp-up time ③ Torque with long ramp-up time ④ Torque of the load ⑤ Acceleration torque = Difference between activation torque and torque of load SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 85 Maximum starting time ≥ ramp-up time. Factory setting: 0 s • Setting range: 0 ... 1 000 s • Increment: 0.1 s • Breakaway time See Breakaway pulse for startup functions (Page 94) Breakaway voltage SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 86: Soft Starting With Torque Control
Torque with long ramp-up time ④ Torque of the load ⑤ Acceleration torque = Difference between activation torque and torque of load ⑥ Parameterizable limiting torque ⑦ Parameterizable starting torque Rated torque Rated motor speed SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 87 Parameterizable limiting torque ⑦ Parameterizable starting torque Parameterizable ramp-up time Motor has started up and is in rated operation. The run-up is detected and the bypass contacts close Parameterizable ramp-up time Rated torque SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 88 Maximum starting time ≥ ramp-up time. Factory setting: 0 s • Setting range: 0 ... 1 000 s • Increment: 0.1 s • Breakaway time See Breakaway pulse for startup functions (Page 94) Breakaway voltage SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 89: Soft Starting With Voltage Ramp And Current Limiting
Application ● Avoiding current surges ● Reducing energy costs Diagram ① direct motor starting ② : Adjustable current limiting value soft starter ③ Voltage ramp SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 90 Soft starting with torque control and current limiting (Page 91)) Factory setting: 400 % • Setting range: 125 ... 800 % • Increment: 1% • In addition, the parameters of the voltage ramp startup function apply. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 91: Soft Starting With Torque Control And Current Limiting
Application ● Avoiding current surges ● Reducing energy costs ● During heavy starting Diagram ① direct motor starting ② : Adjustable current limiting value soft starter ③ Torque control SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 92: Direct-On-Line Starting
If the "direct" starting mode is set, the motor voltage is increased immediately to the level of the supply voltage once the start command has been issued. This is equivalent to the start behavior with a contactor, i.e. no limitation of the starting current and the starting torque. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 93: Motor Heating
Set the parameter so that the motor is not damaged. 100 % motor heating corresponds to a comparable motor current of about 30 % of the rated motor current. Factory setting: 20% • Setting range: 1 ... 100 % • Increment: 1% • SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 94: Breakaway Pulse For Startup Functions
Application ● Mills ● Crushers ● Drives with journal bearings Diagram ① Voltage ramp ② Parameterizable breakaway voltage Breakaway time ... t Ramp-up time Line voltage rated Parameterizable starting voltage SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 95 Select a breakaway voltage that is high enough to ensure that the motor starts rotating as soon as the start command is issued to the soft starter. Factory setting: 40 % • Setting range: 40 ... 100 % • Increment: 5% • SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 96: Run-Down
● Dynamic DC braking without contactor (Page 104) ● Voltage ramp (Page 106) ● Alternative stopping (Page 107) Diagram ① DC braking ② free ramp-down ③ torque controlled ramp-down Stop command on soft starter SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 97: Coasting Down
This is also referred to as natural stopping. A larger centrifugal mass means a longer stop time without load. Coasting down is used for loads that make no special demand on the startup characteristic. Application ● Fans SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 98: Torque Control
Application ● For conveyor belts, to prevent the conveyed materials from toppling. ● Applications with a low mass inertia or a high counter-torque. Diagram ① Stopping torque ... t Stopping time Rated torque SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 99 • Stopping torque The motor torque is "controlled" until the stopping torque is reached and then switched off. Factory setting: 10 % • Setting range: 10 ... 100 % • Increment: 5% • SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 100: Pump Stop
● Drives for which the abrupt stopping of the load is to be prevented. ● Applications with a low mass inertia or a high counter-torque. Diagram ① Voltage ramp stopping mode ② Pump stop stopping mode SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 101 • Stopping torque The motor torque is "controlled" until the stopping torque is reached and then switched off. Factory setting: 10 % • Setting range: 10 ... 100 % • Increment: 5% • SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 102: Dc Braking With External Braking Contactor
● Use the "DC braking" function if applications with small mass inertias (centrifugal masses) are to be stopped (J ≤ 5 x J load motor ● Lathes (e.g. when replacing tools) ● Circular saws ● Punches ● Conveyor belts SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 103 DC braking. DC braking torque The motor's braking force can be set with the amount of the DC braking torque. Factory setting: 50% • Setting range: 20 ... 100% • Increment: 5% • SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 104: Dynamic Dc Braking Without Contactor
● If an electrical braking process without braking contactor is required. Diagram ① DC braking torque ② Dynamic braking torque Stop command on soft starter ... t Stopping time Rated torque SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 105 Following this, the braking operation is continued automatically with the "DC braking" function. Factory setting: 50% • Setting range: 20 ... 100% • Increment: 5% • SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 106: Voltage Ramp
It may take longer for the motor to actually coast down to a standstill. The parameter value "0" causes the motor to be shut down immediately without a down ramp. Factory setting: 10 s • Setting range: 0 ... 360 s • Increment: 0.1 s • SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 107: Alternative Stopping
The motor's braking force can be set with the amount of the alternative DC braking torque. The alternative DC braking torque must be increased if the motor is to accelerate again during DC braking. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 108: Motor Protection
If the 3RW55 soft starter is switched off via a motor protection or intrinsic device protection tripping operation, the action cannot be acknowledged using the "Reset" function until the displayed cooling time has expired. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 109: Motor Overload Protection
Note Take note of the motor parameters. Take note of the set Motor parameters (Page 72) before activating the motor load protection. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 110 Minimum cooling down time for the motor after an overload trip. Reset signals present during the recovery time have no effect. Factory setting: 300 s • Setting range: 60 ... 1 800 s • Increment: 30 s • SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 111 You can set different tripping characteristics according to the startup class. The higher the class, the longer the permitted starting time. You can find the graphic for the respective tripping characteristic under this link (https://support.industry.siemens.com/cs/ww/en/ps/25100/char). SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 112: Thermistor Motor Protection With Temperature Sensor
Two different types of measuring sensor can be connected to the soft starter: ● PTC thermistors type A ● Thermoclick You will find more information on the connection of the temperature sensor in Chapter Connecting the temperature sensor (Page 210). SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 113 Warn • If a specific limit value is exceeded, only a warning message is issued. If the value falls below this limit again, the warning message is automatically retracted. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 114: Intrinsic Device Protection
If the soft starter is switched off via a motor protection or intrinsic device protection tripping operation, the action cannot be acknowledged using the "Reset" function until the displayed cooling time has expired. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 115: Creep Speed
The maximum torque that can be generated depends on the selected creep speed. 100 % creep speed torque corresponds to approximately 30 % of the rated motor torque. Factory setting: 50% • Setting range: 20 ... 100% • Increment: 5% • SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 116 "Creep speed" function. For more information, see Chapter 3RW55 soft starter in inline circuit with soft starting and stopping and additional creep speed function (Page 217). SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 117: Condition Monitoring
This enables you to avoid unplanned plant downtimes and loss of production. To do this, you can specify the response to limit violations of the following functions: ● Current monitoring ● Active power monitoring ● Switching frequency monitoring ● Starting time monitoring ● Pump cleaning function SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 118: Current Monitoring
● If a very high motor current is flowing, this can indicate a blocked system and an overloaded motor. The current monitoring is deactivated automatically during starting and stopping. The rated operational current I acts as a reference value for the current limit monitoring function. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 119 Do not turn off (factory setting) If the "lower limit - error" is undershot, the motor is not turned off. Turn off If the "lower limit - error" is undershot, the motor is turned off. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 120: Active Power Monitoring
● If pumps are running in no-load operation, the pump wheels can be damaged. ● To avoid load peaks ● To derive production quality data from energy data The active power monitoring is deactivated during starting and stopping. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 121 Do not turn off (factory setting) If the "lower limit - error" is undershot, the motor is not turned off. Turn off If the "lower limit - error" is undershot, the motor is turned off. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 122: Switching Frequency Monitoring
Maximum number of starts Switching frequency monitoring time t Switching frequency monitoring time t Switching frequency monitoring - Mode 2 Maximum number of starts Switching frequency monitoring time t Switching frequency monitoring time t SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 123 The trip is automatically acknowledged if no monitoring time is still active. If an ON command is still pending, the motor is switched on. Trip without restart The trip must be acknowledged with the "Reset" function. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 124 , the motor is switched on if an ON command is still pending. The trip can be bypassed using the "emergency start". If the emergency start function is activated in advance, the motor is switched on despite the error message. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 125: Starting Time Monitoring
If the parameter has the value "0", there is no limit monitoring. Factory setting: 0% • Setting range: 0 ... 100% • Increment: 1% • SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 126: Pump Cleaning Function
The cancelation of the control command or the occurrence of an internal trip command results in the pump cleaning process being aborted. Application ● To remove blockages and dirt from water pipes, filters and pump blades. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 127 End of cleaning process ⑨ Operation starting ⑩ Monitoring time (3 x pump cleaning - time) ⑪ Pump cleaning active ⑫ Pump cleaning failed Pump running forward Pump is off Pump running in reverse SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 128 The pump cleaning function is carried out with the starting and ramp-down parameters of parameter set 3. Operating parameters (factory setting) The pump cleaning function is carried out with the starting and ramp-down parameters of the currently selected parameter set. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 129: Asymmetry
If the asymmetry exceeds this limit, a fault is generated and the motor is switched off. The parameter value "0" deactivates the limit. Factory setting: 30% • Limit: 10 ... 60% • Increment: 5% • SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 130: Ground Fault
If the ground fault current exceeds this limit, a fault is generated and the motor is switched off. The parameter value "0" deactivates the monitoring of the limit value. Factory setting: 20% • Limit: 10 ... 95% • Increment: 5% • SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 131: Emergency Start
● Temperature sensor wire break ● Temperature sensor short-circuit ● Temperature sensor overload ● Maximum starting time exceeded ● I upper/lower limit value violation ● Ground fault detected ● Impermissible I Class setting SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 132 PIQ bit or input action. In the event of device faults, intrinsic device protective shutdown, process mapping errors or stall protection, no emergency start is possible, even if it has been enabled. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 133: Number Of Parameter Sets
● Starting Dahlander motors (variable-speed drive). ● Starting an application with different load conditions (e.g. empty or full conveyor belt). ● Separate starting of up to three drives with different run-up behavior (e.g. compressor and pump). SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 134: Inputs
For example, to obtain logical "AND" linking for a start command, assign the "Motor CW with PS1" function to both input 1 and input 2. A start command is accepted only if both inputs are active. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 135 The 3RW55 soft starter evaluates the signal from an external motor standstill detection at the input. Use alternative For more information, see Chapter Alternative stopping (Page 107). stopping mode Pump cleaning For more information, see Chapter Pump cleaning function (Page 126). SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 136: Process Data And Process Images
● Process image input with 16 bytes ● Process image output with 4 bytes Note The tables for the process images describe only the supported process data. Inputs and outputs that are not listed are not assigned. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 137 AI 4 (Float32) Measured value 1 You can find more information on the settable measured values in AI 8 (Float32) Measured value 2 Chapter Cyclic send data AI 12 (Float32) Measured value 3 (Page 142). SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 138 "Parameter set bit 1": Assignment of the PIQ bits Parameter set bit 0 Parameter set bit 1 Process image error Parameter set 1 (PS1) Parameter set 2 (PS2) Parameter set 3 (PS3) SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 139: Outputs
ON delay time The switching of the output is delayed by this time. OFF delay time Factory setting: 0 s • Setting range: 0 ... 6 500 s • Increment: 0.1 s • SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 140 Reversing switching element - left the starter. Generator operation Status messages Ready for motor ON Pump cleaning active Alternative stopping mode active CM - maintenance demanded CM - error SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 141: Analog Output
(Unsigned 32). Setting of the analog range, e.g. 4 mA = 100 • Setting of the analog range, e.g. 20 mA = 400 • SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 142: Cyclic Send Data
● Phase current I L2 (rms) (factory setting measured value 2) ● Phase current I L3 (rms) (factory setting measured value 3) ● Power factor L1..3 ● Phase current average (rms) ● Active energy import (total) ● Active power PL1..3 SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 143: Additional Parameters
Parameter set bit 0 • Parameter set bit 1 • Disable Quick-stop • Output 3 • Pump cleaning • Manual operation local - input controlled • Use alternative stopping mode • Motor standstill • SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 144 Permissible main power rotation Any (factory setting) The main power rotation may be "clockwise" or "counter-clockwise". The main power rotation must be "CW". The main power rotation must be "CCW". SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 145 Specific to functions, this parameter is processed further by the individual device functions that are based on this parameter value. 40°C • 50°C • 60°C (factory setting) • SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 146: Setting The Date And Time
Day/Month/Year (factory setting) • Year-Month-Day • Result Date and time are stored in the soft starter. When replacing the 3RW5 HMI High Feature, the date and time are retained in the soft starter. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 147: User Account Administration
● User account has been transferred with SIRIUS Soft Starter ES (TIA Portal) via one of the following paths to the 3RW55 soft starter: – Local interface – Fieldbus via suitable 3RW5 communication module – Micro SD card SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 148 ● Digits 0 ... 9 ● A login with PIN is only possible via the 3RW5 HMI High Feature User monitoring time On expiry of the programmable user monitoring time, the user will be logged out automatically. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 149: General Advice On Using Pins
HMI User PIN in order to unlock locked menus. If the HMI PIN and the HMI User PIN are identical, there is no need to enter the HMI User PIN on the 3RW5 HMI High-Feature. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 150: Trace Function
SIRIUS Soft Starter ES software (TIA Portal) from the 3RW55 soft starter and visualized in the form of an oscillogram. Further information on the trace function can be found in the online help for the SIRIUS Soft Starter ES (TIA Portal). SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 151: Rw5 Hmi High Feature
Eyes for lead seals ⑪ Hole for mounting the interface cover ⑫ Status LED (Page 176) ⑬ Local interface (point-to-point connection between PC and 3RW5 HMI High Feature) ⑭ Slot for micro SD card SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 152 F1: Local / Remote: Changes master control • F2: Reset • F3-F9: Freely parameterizable • Master RESET key for restoring the factory settings: Soft starter • Communication • 3RW5 HMI High Feature • • SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 153 Functions 7.18 3RW5 HMI High Feature Menus Symbol Menu Monitoring Diagnostics Control Parameters Overview Security Micro SD card (only visible if a micro SD card is inserted.) SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 154: Configuring Favorites Keys F1 - F9
Delete Deletes a favorite Result The favorites F3 - F9 have been reassigned. Alternatively, you can parameterize the favorites keys F1 - F9 by means of the SIRIUS Soft Starter ES (TIA Portal). SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 155: Configure Start Key
1) only visible if reversing starter is activated. Result As many as 4 start functions have been assigned to the Start button. These functions can be selected and executed after actuating the Start button. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 156: Main Menu
Remaining switching element cooling time • Switching element heating • Remaining switching frequency monitoring time • Process image Process image input (PII) • Process image output (PIQ) • For more information, see Chapter: ● Monitoring (Page 160) SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 157 Alternative stopping mode • Pump cleaning start • Reset Disable Quick-stop Emergency start Output 1 Output 2 Output 3 Test mode Test with small load • For more information, see Chapter: ● Control (Page 162) SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 158 • Communication • • All devices • You can find additional information in Chapters: ● Functions (Page 79) ● Parameterizing the 3RW5 HMI High Feature (Page 163) ● Restoring factory setting (Page 192) SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 159 This menu item appears only if a valid FW file is stored on the micro SD card. Memory space Complete memory • Free memory • Used memory • For more information, see Chapter: ● Micro SD card (Page 170) SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 160: Monitoring
U L3-L1 • voltage. Average • Power Active power PL1..3 Indicates the current active power. Power factor L1..3 Indicates the current power factor. Torque Line frequency SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 161: Monitoring The Process Image Of The 3Rw55 Soft Starter With The 3Rw5 Hmi High Feature
● You are in menu "Monitoring > Process image". Procedure In the process image input (PII) and output (PIQ), you can see which bits of the process image are active or inactive. Checkbox Status inactive active SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 162: Control
This parameter is only visible if the pump cleaning function has been parameterized. For more information, see Chapter Pump cleaning function (Page 126). Reset Execute a RESET. Disable Quick-stop Motor does not stop despite pending ON command from Quick-stop. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 163: Parameterizing The 3Rw5 Hmi High Feature
The display switches off after the specified time has elapsed. The parameter value "0" deactivates the shutdown of the display. Factory setting: 5 min • Setting range: 0 ... 60 min • Increment: 1 min • SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 164 Motor CCW with creep speed • Language The required language is set in the "Language" menu. English (factory setting) • German • French • Spanish • Italian • Portuguese • Chinese • Additional language 1 • SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 165: Overview
Depending on the selected menu item, the following device-related information is available to the respective components: Overview I&M 0 data I&M 1 data I&M 2 data I&M 3 data Device identification Equipment identifier Installation Description Soft starter Communication SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 166: Security
HMI User PIN in order to unlock locked menus. If the HMI PIN and the HMI User PIN are identical, there is no need to enter the HMI User PIN on the 3RW5 HMI High-Feature. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 167: Defining The Local Access Protection (Pin)
2. Enter the current HMI PIN in the pop-up window and confirm with "OK". The correct entry of the HMI PIN is checked. The HMI PIN has been deleted. You can now set a new HMI PIN. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 168 HMI PIN reset You can reset the access protection to the factory setting with the master RESET key on the rear of the 3RW5 HMI High Feature. Protect the master RESET key from unauthorized access. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 169: User Login And Logout
With the HMI User PIN you can protect the 3RW55 soft starter from unauthorized access. The "Monitoring", "Diagnosis", and "Overview" menus can still be viewed. The HMI User PIN is retained even after the power supply has been interrupted. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 170: Micro Sd Card
Requirements ● Access protection to the 3RW5 HMI High Feature is not active or has been reset. ● Inserted micro SD card ● You are in the "Micro SD Card" menu. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 171 • micro SD card contains: All devices The firmware update is documented in the device • logbook. Memory space The memory capacity is displayed. Complete memory • Free memory • Used memory • SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 172 Functions 7.18 3RW5 HMI High Feature SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 173: Messages And Diagnostics
● SIRIUS Soft Starter ES (TIA Portal) (accessories) via 3RW5 communication module or 3RW5 HMI High Feature (local interface). You will find more details in the manual for the 3RW5 communication module in question. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 174: Led Display
Overview of the device LEDs of the 3RW55 soft starter ① RUN (green) Indicates whether the 3RW55 soft starter is ready for operation. ② ERROR (red) Indicates whether there is an error. ③ MAINTAINANCE Indicates whether a message is present. (yellow) SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 175: Status And Error Displays
The soft starter waits for confirmation via the OK key. • Flashes Flashes green yellow The soft starter is not ready for operation. • Device error detected. • Flashes Flashes Flashes green yellow SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 176: Overview Of Leds On High Feature 3Rw5 Hmi
You will find more information on soft starter messages in the Chapter "Status and error displays (Page 175)". You will find more information on the messages of the 3RW5 communication module in the manual for the 3RW5 communication module in question. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 177: Warnings And Remedial Measures Of The 3Rw55 Soft Starter
Above threshold I The current has exceeded a limit. Check the application driven by the motor. Below threshold I The current has undershot a limit. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 178 The configured minimum starting time is Shorten the "min. starting time" longer than the required motor starting parameter, lower the current limiting time. value or check the load coupled with the motor for a mechanical defect. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 179: Faults And Remedial Actions Of The 3Rw55 Soft Starter
Asymmetry A limit for asymmetry has been exceeded. Check the motor feeder and the motor. Asymmetry can cause an overload. Possible causes: Phase failure • Fault in the motor windings • SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 180 The main power monitoring detects a phase • failure. • • Overvoltage The supply voltage is above the tolerance Change the power supply. limit. Bypass defective Check bypasses for L1, L2 and L3 and replace defective bypasses. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 181 Actuator disconnection The module has disconnected the actuator. An additional diagnostic message will be displayed to provide you with more detailed information about the cause. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 182: Faults And Remedial Actions On The 3Rw5 Hmi High Feature
Micro SD card cannot be read. Format the micro SD card using FAT32 file format. No device answer The connection to the connected Check the connection between the HMI and basic unit has been interrupted. the device. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 183: Performing 3Rw55 Soft Starter Diagnostics With The 3Rw5 Hmi High Feature
Number of starts output 2 Number of starts output 3 Number of starts output 4 Number of electrical braking stops Phase current max (%) Phase current max (rms) Last tripping current I Last tripping current I (rms) SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 184 The logbook can be stored on a micro SD card. • Application • Device • Service • Delete • – Application – All (the logbook application is deleted) SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 185: Diagnostics Of Communication With The High Feature 3Rw5 Hmi
Diagnostics of communication with the High Feature 3RW5 HMI Requirements ● You are in the "Diagnosis > Communication" menu. Parameters Diagnostic value Comment Diagnosis state Shows all active warnings and faults. You can acknowledge faults here. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 186: Execute Hmi Diagnostics With The 3Rw5 Hmi High Feature
The display of the 3RW5 HMI High Feature indicates what key has to be pressed. Test display The 3RW5 HMI High Feature runs a color program on the display. Navigate through the test operation with the "OK" key. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 187: Logbooks
"Diagnosis > Soft starter > Logbooks" menu. You can find additional information on saving the logbooks to a micro SD card in the "Micro SD card > Save logbooks to micro SD card" menu. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 188 Messages and diagnostics 8.9 Logbooks SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 189: Maintenance And Service
Observe the notes included in the operating instructions and manuals of the soft starter in question. Note Repair of the devices is only permissible by qualified personnel. Please contact the authorized Siemens service partner for this. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 190: Firmware Update
– With a micro SD card via the 3RW5 HMI High Feature (Page 191) Result You have performed a firmware update for the selected device. The firmware update is documented in the device logbook. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 191: Performing Firmware Update With Micro Sd Card (3Rw5 Hmi High Feature)
● Check the new firmware version in the "Overview" menu. Result You have performed a firmware update for the selected device using the micro SD card. The firmware update is documented in the device logbook. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 192: Restoring Factory Setting
Restoring the factory settings via High Feature 3RW5 HMI (Page 193) Restoring the factory settings with the Master RESET button via 3RW5 HMI High Feature (Page 194) Result The factory setting of the selected device or all devices is restored. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 193: Restoring The Factory Settings Via High Feature 3Rw5 Hmi
2. Confirm the menu item. Result The factory setting of the selected device or all devices is restored. Note the effects of the factory settings described in Chapter Restoring factory setting (Page 192). SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 194: Restoring The Factory Settings With The Master Reset Button Via 3Rw5 Hmi High Feature
3. Confirm the menu item with "OK". Result The factory setting of the selected device or all devices is restored. Note the effects of the factory settings described in Chapter Restoring factory setting (Page 192). SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 195: Technical Specifications
Technical data in Siemens Industry Online Support Technical data sheet You can also find the technical data of the product at Siemens Industry Online Support (https://support.industry.siemens.com/cs/ww/en/ps/16212/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key.
Page 196 Technical specifications 10.1 Technical data in Siemens Industry Online Support SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 197: Dimension Drawings
Dimension drawings 11.1 CAx data You can find the CAx data in the Siemens Industry Online Support (https://support.industry.siemens.com/cs/ww/en/ps/16212/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key. 2. Click the "CAx data link.
Page 198 Dimension drawings 11.1 CAx data SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 199: Circuit Diagrams
Circuit diagrams 12.1 CAx data You can find the CAx data in the Siemens Industry Online Support (https://support.industry.siemens.com/cs/ww/en/ps/16212/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key. 2. Click the "CAx data link.
Page 200 Circuit diagrams 12.1 CAx data SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 201: A.1 Main Circuit Connection
The connections of the SIRIUS soft starter are wired into the motor feeder between the motor starter protector and the motor. This achieves type of coordination 1. Motor starter protector (e.g. 3RV2 or 3VA) Soft starter Motor Protective conductor SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 202: A.1.2 Feeder Assembly, Type Of Coordination 1 With Fuses
If galvanic isolation is required, install a main or line contactor between the soft starter and the fuses. gG full-range fuse for cable and line protection (e.g. 3NA3) Main or line contactor for galvanic isolation Soft starter Motor Protective conductor SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 203: A.1.3 Feeder Assembly, Type Of Coordination 2
In order to achieve type of coordination 2, you must provide protection for all thyristors against short circuits by means of special semiconductor fuses (e.g. SITOR fuses from Siemens). A short circuit can occur, for instance, as a result of a defect in the motor windings or in the motor's power supply cable.
Page 204: A.1.4 Inside-Delta Circuit
If the load voltage is present and the motor is connected to the device, the soft starter automatically detects the type of connection. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 205 (e.g. SITOR 3NE3/4 or 3NC) gR full-range fuse for protection of semiconductors (e.g. SITOR 3NE1) Soft starter Main or line contactor for galvanic isolation Motor Protective conductor SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 206 (e.g. SITOR 3NE3/4 or 3NC) gR full-range fuse for protection of semiconductors (e.g. SITOR 3NE1) Soft starter Main or line contactor for galvanic isolation Motor Protective conductor SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 207: A.2 Control Circuit Connection
To do this, for example, link the group error output (terminals 95 and 96) into the control. Requirements ● Parameterization required Wiring of control circuit for control by PLC Fuse Motor starter protector 3RW55 soft starter Motor Protective conductor SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 208: A.2.2 Control By Means Of Switch With Optional Pump Cleaning Function
Wiring of control circuit for control by means of switch with optional pump cleaning function Fuse Switch: Motor On / Off Activate pump cleaning (optional) Pushbutton: Reset Motor starter protector 3RW55 soft starter Indicator light Motor Protective conductor SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 209: A.2.3 Actuation Of A Line Contactor
● Parameterization required Wiring of control circuit for controlling a line contactor Fuse Switch: Motor On / Off Pushbutton: Reset Motor starter protector 3RW55 soft starter Line contactor Indicator light Motor Protective conductor SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 210: A.2.4 Connecting The Temperature Sensor
The 3RW55 soft starter monitors the motor for excessive temperature. If the temperature is exceeded, a warning is generated or the motor is switched off depending upon the parameterization. Restarting takes place after a reset. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 211: A.2.5 Connecting The Evaluation Unit To The Analog Output
Connect the evaluation unit: Voltage at the terminals AQ U+ / AQ- Current at terminals AQ I+ / AQ- Result The specified measured value is shown on the evaluation unit via the analog output. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 212: A.3 Special Applications
"Dynamic DC braking without contactor", you do not require a braking contactor. For more information, see Chapter DC braking with external braking contactor (Page 102). Requirements ● Parameterization required SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 213 A.3 Special applications Wiring for 3RW55 soft starters in inline circuit and stopping function, with DC braking with a braking contactor Fuse Fuse Motor starter protector 3RW55 soft starter Braking contactor Motor Protective conductor SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 214: A.3.2 3Rw55 Soft Starters In Inline Circuit And Stopping Function, Dc Braking With 2 Braking Contactors
"Dynamic DC braking without contactor", you do not require a braking contactor. For more information, see Chapter DC braking with external braking contactor (Page 102) Requirements ● Parameterization required SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 215 Example circuits A.3 Special applications Wiring for 3RW55 soft starters in inline circuit and stopping function, with DC braking with 2 braking contactors SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 216 Auxiliary relay K4, e.g.: LZS: RT4A4T30 (AC 230 V rated control supply voltage), LZS: RT4A4S15 (AC 115 V rated control supply voltage) Motor starter protector 3RW55 soft starter Braking contactor Braking contactor Motor Protective conductor SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 217: A.3.3 3Rw55 Soft Starter In Inline Circuit With Soft Starting And Stopping And Additional Creep Speed Function
1. Set the function of the digital inputs: – DI1 Motor CW PS1 – DI2: Motor CCW PS1 – DI3: Creep speed – DI4: Reset (factory setting) 2. Set the creep speed parameters in parameter set 1. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 218 Example circuits A.3 Special applications Wiring for 3RW55 soft starter in inline circuit with soft starting and stopping and additional creep speed function in both directions with one parameter set SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 219 A.3 Special applications Fuse Fuse Contactor relay Contactor relay Contactor relay Pushbutton: Reset Switch: Start slowly CW Switch: Start slowly CCW Switch: Start CW soft start Motor starter protector 3RW55 soft starter Motor Protective conductor SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 220: A.3.4 Control Via Fieldbus With Switchover To Manual Local Operation
To do this, for example, link the group error output (terminals 95 and 96) into the control. Requirements ● Parameterization required ● 3RW55 soft starter with additional 3RW5 communication module connected via fieldbus You will find further information in the manual for the 3RW5 communication module in question. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 221 Fuse Fuse Switch: Manual mode local Switch: Start / stop (manual mode local) Switch: Reset (manual mode local) Indicator light Motor starter protector 3RW55 soft starter via fieldbus (e.g. PROFINET) Motor Protective conductor SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 222: A.3.5 Reversing Duty
Wiring for reversing duty: Switch: Motor On / Off CW Switch: Motor On / Off CCW Pushbutton: Reset Motor starter protector 3RW55 soft starter Line contactor CW Line contactor CCW Motor Protective conductor SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 223: A.3.6 3Rw55 Soft Starter For Serial Starting With 3 Parameter Sets
Note In the case of increased operating sequences, set the dimensions for the 3RW55 soft starters to at least one capacity level higher than the highest connected motor output. Requirements ● Parameterization required SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 224 Example circuits A.3 Special applications Wiring for 3RW55 soft starter for serial starting with 3 parameter sets - main circuit SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 225 3RW55 soft starter Starting contactor, motor 1 Line contactor, motor 1 Starting contactor, motor 2 Line contactor, motor 2 Starting contactor, motor 3 Line contactor, motor 3 Motor 1 Motor 2 Motor 3 Protective conductor SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 226 Example circuits A.3 Special applications Wiring for 3RW55 soft starter for serial starting with 3 parameter sets - control circuit SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 227 Pushbutton: Motor 3 Stop 3RW55 soft starter Starting contactor, motor 1 Line contactor, motor 1 Starting contactor, motor 2 Line contactor, motor 2 Starting contactor, motor 3 Line contactor, motor 3 Indicator light SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 228: A.3.7 3Rw55 Soft Starter With Direct-On-Line Starting (Dol) As Emergency Start
Wiring for 3RW55 soft starter with direct-on-line starting (DOL) as emergency start Fuse Selector switch Soft starting / direct-on-line starting Switch: Start / stop (3RW55 soft starter) Pushbutton: Reset Switch: Direct on-line starting (DOL) 3RW55 soft starter Line contactor Motor Protective conductor SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 229: A.3.8 Emergency Stop Shutdown To Sil 1 Or Pl C With A 3Sk1 Safety Relay
EN ISO 13849-1:2015 is required, the series connection of an additional contactor with the 3RW55 soft starter, in conjunction with a suitable safety relay (e.g.: 3SK1111), is required, as well as monitoring of the contactor's auxiliary contacts. SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 230 Example circuits A.3 Special applications Basic configuration ① EMERGENCY STOP ② 3RT20 contactor ③ 3RW55 soft starter ④ Motor ⑤ 3SK1 safety relay SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 231: Glossary
Device master file This file is required to be able to configure a device as a DP standard slave in the HW Config of a Siemens or external system. GSDML Device master file This file is required to be able to configure a device as a DN device in the HW Config of a Siemens or external system.
Page 232 Glossary SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 233: Index
Alternative stopping, 107 (spring-loaded terminals), 62 Analog output, 141 Device LEDs, 175 Disconnecting the control current form the screw Siemens Industry Online Support, 31 terminals, 61 Application wizard, 76 Applications, 18 Disconnecting the control current from the spring-loaded terminal, 63...
Page 234 Feeder assembly, type of coordination 1 with fuses, 202 Firmware update, 190 Date and time First commissioning Setting, 146 3RW55 soft starter, 75 DC braking with external braking contactor, 102 Five safety rules for electricians, 35 SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 235 High Feature, 182 Logbooks, 187 Status and error displays, 175 Ground fault, 130 Warnings and remedial measures of the 3RW55 Guidelines soft starter, 177 ESD guidelines, 33 Micro SD card, 170, 191 Mode, 14 SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 236 Switching frequency monitoring, 122 Pump cleaning function, 126 System monitoring Pump stop, 100 Condition Monitoring, 117 Rated operating speed, 73 Rated operational current, 72 Rated torque, 72 Reactive power compensation, 36 References, 26 SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 237 Trace function, 150 Tripping class Tripping characteristic, 111 Type of connection, 73 Use of PINs, 149, 166 User account administration, 147, 169 Voltage ramp, 106 Warnings and remedial measures 3RW55 soft starter, 177 SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...
Page 238 Index SIRIUS 3RW55 soft starter Manual, 08/2018, A5E35630887002A/RS-AB/002...

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