Siemens SIRIUS 3RW44 System Manual

Text of Siemens SIRIUS 3RW44 User Guide:

• Siemens SIRIUS 3RW44, General Technical Data SIRIUS 3RW44 System Manual GWA 4NEB 535 2195-02 DS 04 10-11 1) Current limit on soft starter set to 350 % I M . 2) For intermittent duty S4 with ON period OT = 70 %, T u = 40 °C, stand-alone installation vertical. The quoted operating frequencies do not apply for automatic mode. 3) Maximum adjustable rated motor current I M , dependent on CLASS setting. Type 3RW44 53 3RW44 54 3RW44 55 3RW44 56 3RW44 57 3RW44 58 3RW44 65 3RW44 66 Power electronics Rated operational current I e 5

• Siemens SIRIUS 3RW44, Device Functions SIRIUS 3RW44 System Manual 6-16 GWA 4NEB 535 2195-02 DS 04 6.4 Slow Speed Function This function allows an asynchronous motor to be temporarily operated in both directions at a rotational speed that is lower than the rated rotational speed. The rated rotational speed n motor of the motor is determined by its line frequency (f) and its number of pole pairs (p). A resulting slow speed frequency for the motor is defined by a specific thyristor control. However, this function requires that only a reduced torque can

• Siemens SIRIUS 3RW44, General Technical Data SIRIUS 3RW44 System Manual GWA 4NEB 535 2195-02 DS 04 10-21 1) If the ramp-down function "Combined braking" is selected, no braking contactor is required. f the ramp-down function "DC braking" is selected, a braking contactor must also be used (see table for type). For applications with large centrifugal masses (J Load > J Motor ) we recommend the function "DC braking. 2) Additional auxiliary relay K4: LZX:RT4A4T30 (3RW44 soft starter with rated control supply voltage 230 V AC),

• Siemens SIRIUS 3RW44, Device Functions SIRIUS 3RW44 System Manual 6-20 GWA 4NEB 535 2195-02 DS 04 Tripping class (electronic overload protection) The tripping class (CLASS) indicates the maximum tripping time in which a protective device must trip at a value 7.2 times that of the rated operating current in cold condition (motor protection acc. to IEC 60947). The tripping characteristics indicate the tripping time in relation to the tripping current (refer to Chapter 10.4 "Tripping Characteristics"). Different CLASS characteristics are available for normal or heavy starting. Note The rated data of the soft sta

• Siemens SIRIUS 3RW44, Introduction SIRIUS 3RW44 System Manual GWA 4NEB 535 2195-02 DS 04 1-7 1.2 Application and Use Applications and selection criteria 3RW44 soft starters are an alternative for star-delta starters and frequency converters. Their major benefits are smooth starting and stopping, uninterrupted changeover without current peaks that would stress the power supply, and their compact dimensions. Numerous drives which previously could only be operated with frequency converters can be changed over to soft starter operation u

• Siemens SIRIUS 3RW44, PROFIBUS DP Communication Module SIRIUS 3RW44 System Manual GWA 4NEB 535 2195-02 DS 04 8-11 The next step is to set the desired station address of the 3RW44 as PROFIBUS slave. In this example, the station address is set to "23". Notice If the parameter "Parameters disabled CPU/Master" is set to "Off" (factory setting), the parameters set on the soft starter will be overwritten with the values stored in the GSD data or in the OM when the bus is started. If this

• Siemens SIRIUS 3RW44, SIRIUS 3RW44 System Manual GWA 4NEB 535 2195-02 DS 04 6-1 Device Functions 6 Section Subject Page 6.1 Various Parameter Sets 6-2 6.2 Starting Modes 6-3 6.2.1 Voltage Ramp 6-3 6.2.2 Torque Control 6-5 6.2.3 Breakaway Pulse in Combination with the Voltage Ramp or Torque Control Starting Mode 6-7 6.2.4 Current Limiting in Combination with the Voltage Ramp or Torque Control Starting Mode 6-9 6.2.5 Starting Mode: Direct On-line 6-10 6.2.6 Starting Mode: Motor Heating 6-10 6.3 Stopping Modes 6-11 6.3.1 Coasting Down 6-11 6.3.2 Torque Control and Pump Stop 6-12 6.3.3 DC Braking / Combined Braking 6-13 6.4 Slow Speed Function 6-16 6.5 Current Limits for Load

• Siemens SIRIUS 3RW44, Commissioning SIRIUS 3RW44 System Manual 5-2 GWA 4NEB 535 2195-02 DS 04 5.1 Menu Structure, Navigation, Changing Parameters The 3RW44 functions (parameterization, diagnosis and motor control) can be executed using the four control keys. The menu has various sublevels which are handled in different ways but are self-explanatory. 5.1.1 Menu Structure and Navigation Figure 5-1:Menu structure Display mea- Select SIEMENS Menu 3RW44 Main menu level 1 sured value Settings Select 3 4 Select ESC ESC ESC ESC OK OK OK OK select 1 Status display select 2 Settings

• PROFIBUS DP Communication Module SIRIUS 3RW44 System Manual 8-50 GWA 4NEB 535 2195-02 DS 04 327 2 3 Therm. motor model overload E4 Overload recognized, the signal bit is updated continuously. 328 2 4 Overload switch-off E24 The motor is switched off due to a recognized overload. The signal bit is deleted when the cause for the switch-off has been remedied and ackn

• Siemens SIRIUS 3RW44, Diagnosis and Messages SIRIUS 3RW44 System Manual GWA 4NEB 535 2195-02 DS 04 7-3 Loss of phase L1 x Option 1: Phase L1 missing, drops or fails while motor is running. A trip occurs due to a voltage drop in the permissible rated operating voltage of >15 % >100 ms during starting, or >200 ms in bypass operation. Remedy: Connect L1 or rectify voltage drop. Option 2: The connected motor is too small and the error message is issued immediately after switching to bridging mode. Remedy: Adjust rated operating current for connected motor or set to mini

• Siemens SIRIUS 3RW44, Circuit Examples SIRIUS 3RW44 System Manual GWA 4NEB 535 2195-02 DS 04 9-3 9.1.2 3RW44 in Standard Circuit with Line Contactor and Control via PLC 1) For permissible values for main and control voltage, refer to Technical Data, Pages 10-8 to 10-12. 2) Caution: risk of restart! The start command (e.g. via PLC) must be reset if a general fault occurs as an automatic restart is executed when a start command is pending after the reset command is issued. This applies to motor protection tripping in particular. For safety reasons, we recommend integrating the general fault output (terminals 95 an

• Siemens SIRIUS 3RW44, SIRIUS 3RW44 System Manual GWA 4NEB 535 2195-02 DS 04 2-1 Configuration Instructions 2 Section Subject Page 2.1 Configuration 2-2 2.1.1 RS 232 Serial PC Interface and Soft Starter ES Parameterization and Operating Software 2-2 2.1.2 Win Soft Starter Selection and Simulation Program 2-2 2.1.3 Training Course for SIRIUS Soft Starters (SD-SIRIUSO) 2-2 2.2 Normal or Heavy Starting 2-3 2.2.1 Application Examples for Normal Starting (CLASS 10) 2-3 2.2.2 Application Examples for Heavy Starting (CLASS 20) 2-3 2.2.3 Application Examples for Very Heavy Starting (CLASS 30) 2-4 2.3 On-time and Switching Frequency 2-5 2.4 Installation Altitude and Ambient Temperature 2-6 2.5 Factory Settings 2-7 2.6 O

• Siemens SIRIUS 3RW44, Commissioning SIRIUS 3RW44 System Manual GWA 4NEB 535 2195-02 DS 04 5-39 Restoring settings Selected settings which have not been saved will be discarded and the previously saved settings will be restored. Figure 5-30:Restoring settings OK ESC Function call select ESC Saving 11 options Save settings OK ESC Function call Restore settings accept ESC Restore settings execute? select ESC Name 9 OK select ESC Response 8 to ... select ESC Display 7 select ESC Motor 6 select Inputs 4 OK select ESC Settings 3 OK Display mea- SIEMENS Menu 3RW44 1 sured value ESC ESC OK OK select 1 Status display select 2

• PROFIBUS DP Communication Module SIRIUS 3RW44 System Manual 8-16 GWA 4NEB 535 2195-02 DS 04 8.5.3 Configuration using the Soft Starter ES Professional Software Sirius 3RW44 soft starters can also be configured using the Soft Starter ES Professional software, order number 3ZS1313-2CC10-0YA0. There are two possibilities when using PROFIBUS DP: • Stand-alone program on a PC/PD with

• Siemens SIRIUS 3RW44, PROFIBUS DP Communication Module SIRIUS 3RW44 System Manual 8-38 GWA 4NEB 535 2195-02 DS 04 8.11 Identification Number (ID No.), Error Codes 8.11.1 Identification Number (ID No.) The identification number (ID No.) is used for the unique identification of all information available in the soft starter (parameters, control commands, diagnosis, commands, etc.). It can be found in the left column of the data set table. 8.11.2 Error Codes for Negative Data Set Acknowledgement Description When a data set is declined, an error code is send together wi

• PROFIBUS DP Communication Module SIRIUS 3RW44 System Manual GWA 4NEB 535 2195-02 DS 04 8-61 Table 8-31: Coding for time stamp Object name id_date Object length 8 byte Bits87654321 Octet 12 15 2 14 2 13 2 12 2 11 2 10 2 9 2 8 0 to 59999 milliseconds 22 7 2 6 2 5 2 4 2 3 2 2 2 1 2 0 3resres2 5 2 4 2 3 2 2 2 1 2 0 0 to 59 minutes 4SUresres2 4 2 3 2 2 2 1 2 0 0 to 23 hours SU: 0: Norm

• Siemens SIRIUS 3RW44, Circuit Examples SIRIUS 3RW44 System Manual GWA 4NEB 535 2195-02 DS 04 9-17 Soft Starter for Serial Starting with 3 Parameter Sets (Deactivate Soft Stop and 3RW44 Motor Protection) 1) For permissible main and control voltage values, refer to Technical Data, Pages 10-8 to 10-12. Note In the case of high switching frequency, the 3RW44 should be dimensioned at least one capacity level higher than the highest connected motor output. Notice The "Coasting down" stopping mode must be set on the 3RW44. 4 4 4 4 / / / / / / 7 7 7 ) 0 3( 0 a 0 a 0 a 8

• PROFIBUS DP Communication Module SIRIUS 3RW44 System Manual GWA 4NEB 535 2195-02 DS 04 8-49 8.12.9 Data Set 92 - Reading the Device Diagnosis ID No.: Byte Bit Signal bit E No. *) Meaning/Acknowledgment Switching/controlling: 301 0 0 Ready (automatic) — Device ready for operation via host (e.g. PLC), The signal bit is updated continuously. 306 0 1 Motor right — Contact block 1 switc

• Siemens SIRIUS 3RW44, General Technical Data SIRIUS 3RW44 System Manual GWA 4NEB 535 2195-02 DS 04 10-5 10.3 Technical Data 10.3.1Selection and Ordering Data Standard circuit Standard circuit Ambient temperature 40 °C Ambient temperature 50 °C Rated operating voltage U e Rated operating current I e Rated output of three-phase motors for rated operating voltage U e Rated operating current I e Rated output of three-phase motors for rated operating voltage U e Order No. V A 230 V / kW 400 V / kW 500 V / kW 690 V / kW A 200 V / HP 230 V / HP 460 V / HP 575 V / HP 200 ... 460 29 5.5 15 — — 26 7.5 7.5 15 — 3

• Siemens SIRIUS 3RW44, Circuit Examples SIRIUS 3RW44 System Manual 9-14 GWA 4NEB 535 2195-02 DS 04 9.1.13Parallel Starting of 3 Motors 1) For permissible main and control voltage values, refer to Technical Data, Pages 10-8 to 10-12. Notice The rated output of the 3RW44 to be configured must be at least as high as the total motor rated output. The loads should have similar mass moments of inertia and torque characteristic curves. Control circuit $ 1 3( 3( / / ,1 ,1 ,1 ,1 7 7 4 ) $ 4        �

• Diagnosis and Messages SIRIUS 3RW44 System Manual GWA 4NEB 535 2195-02 DS 04 7-5 Power unit overtemperature x The temperature of the thermal model for the power unit is higher than the permissible permanent operating temperature. Remedy: Check the motor operating current or check if the ambient temperature is too high in the vicinity of the soft starter (for derating above 40

• Siemens SIRIUS 3RW44, Circuit Examples SIRIUS 3RW44 System Manual 9-4 GWA 4NEB 535 2195-02 DS 04 9.1.3 3RW44 in a Standard Circuit and DC Braking 3) Stopping Function for Device Types 3RW44 22 to 3RW44 25 1) For permissible main and control voltage values, refer to Technical Data, Pages 10-8 to 10-12. 2) 2) Caution: risk of restart! The start command (e.g. by the PLC) must be reset before a reset command is issued, as an automatic restart is executed when a start command is pending after the reset command is issued. This applies to motor protection tripping in particular. For safety reasons, we recommend integrating the general fault output (terminals 95 and

• Siemens SIRIUS 3RW44, PROFIBUS DP Communication Module SIRIUS 3RW44 System Manual 8-40 GWA 4NEB 535 2195-02 DS 04 8.12 Data Sets Writing/reading data sets with STEP 7 You can access the soft starter data sets via the user program. • Writing data sets: S7-DPV1 master: By calling up SFB 53 "WR_REC" or SFC 58 S7 master: By calling up SFC 58 • Reading data sets: S7-DPV1 master: By calling up SFB 52 "RD_REC" or SFC 59 S7 master: By calling up SFC 59 Further information For further information regarding SFBs, please refer to • the reference manual "System software for S7-300/400, System and Standard Functions" • the STEP 7 online help Byte arrangements Wh

• Siemens SIRIUS 3RW44, General Technical Data SIRIUS 3RW44 System Manual 10-28 GWA 4NEB 535 2195-02 DS 04 mm (inch) Type x yzaa ab ac ad 3RW44 5 290 (11.4) 147 (5.7) 173 (6.9) 195 (7.7) 118 (4.6) 261 (10.2) 290 (11.5) 3RW44 6 289.5 (11.4) 175 (6.9) 173 (6.8) — 118 (4.65) 261 (10.28) 290 (11.42) x y z aa ab ac ad 3RW44 6

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