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Summary of Contents for Janson Controls SFT30 Series
- Page 1 SFT30 SERIES SOFT STARTER User Manual...
- Page 2 Only professional and technical personnel is allowed to install of SFT30 series soft starter Ø Must guarantee power match between the motor and SFT30 series soft starter, please be sure to operate according to the user manual Ø Do not connect capacitor to the soft starter output, or it will cause damage of the soft starter Ø...
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Page 3: Table Of Contents
V1.0 SFT30 Soft Starter User Manual Contents 1 Notes ........................4 1.1 Inspection.....................4 1.2 Nameplate....................4 1.3 Soft Starter Model..................4 1.4 Product Apperance..................5 2 Installation and Connection ................5 2.1 Environment....................5 2.2 Installation Requirments................6 2.3 Wiring......................6 2.4 Main Circuit and Terminal................8 2.5 Main Circuit Wiring Diagram................10 2.6 Control Terminal Connection...............11 2.7 Terminal Configuration Diagram..............12... - Page 4 SFT30 Soft Starter User Manual V1.0 7 Revise Setting Parameter ................21 8 Useful information ..................22 9 Protection Function ..................22 9.1 Protection Function Specification..............22 9.2 Protection Function Setting................23 9.3 Protection and Tripping Curves..............25 10 Protection ...................... 26 11 Troubleshooting ................... 27 12 Starting Mode ....................
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Page 5: Notes
V1.0 SFT30 Soft Starter User Manual 1 Notes 1.1 Inspection Please carry out checks on the products after they arrive, if the product is found defective or not a correct model, please contact your vendor. Ø Check on the nameplate, confirm the specifications of your order Ø... -
Page 6: Product Apperance
SFT30 Soft Starter User Manual V1.0 1.4 Product Apperance Power supply The bypass contactor terminal （ 、 、 ） （ R、S、T ） Circuit board Keyboard panel control box Communication Frame interface Control circuit ,Motor connecting terminal terminal （ 、 、 ）... -
Page 7: Installation Requirments
V1.0 SFT30 Soft Starter User Manual 2.2 Installation Requirments Ø The soft starter should be installed vertically, do not flip, ramp or horizontal installation. Use screws to secure the structure. Ø For vertical installation of soft starter, adequate cooling room should be left, so as to ensure effective cooling, see following drawing for details. - Page 8 SFT30 Soft Starter User Manual V1.0 The main circuit With bypass electromagnetic contactor (KM) Distribution circuit breaker Motor Ground +DC12V Ins tant aneous stop Total pressure output 100% Stop Start Delay out （programmable） Common ends Analog output The fault output （...
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Page 9: Main Circuit And Terminal
V1.0 SFT30 Soft Starter User Manual 2.4 Main Circuit and Terminal Description Terminal Symbol Terminal Name Connected with three-phase AC Main Circuit Power Input R. S. T AC Power Supply Connected with three-phase Soft Starter Output Terminal U. V. W asynchronous electric machine External Bypass Contactor Connected with bypass... - Page 10 SFT30 Soft Starter User Manual V1.0 Bypass connection L21. L22. L23) （ Bypass connection terminals L21, L22, L23, be sure to connect the electromag- netic bypass contactor, otherwise it will burn the soft starter. Soft starter start is completed, the main circuit power device (SCR) exit, while bypassing the electromagnetic contactor work, then the motor into normal operation, phase sequence can not be wrong.
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Page 11: Main Circuit Wiring Diagram
V1.0 SFT30 Soft Starter User Manual 2.5 Main Circuit Wiring Diagram Three phase power input Circuit breaker or leakage circuit breaker 1 3 5 Bypass soft starter contactor(KM) 2 4 6 Three-phase asynchronous motor -10-... -
Page 12: Control Terminal Connection
SFT30 Soft Starter User Manual V1.0 2.6 Control Terminal Connection Control circuit terminal function Table 2-6-1, according to the different function settings, control terminal function and connection is also different. Classi- Terminal Terminal Description fication mark name Terminal 1. 2 is bypass output which is used to control bypass contactor Bypass 01. -
Page 13: Terminal Configuration Diagram
S. T） （L21. L22. L23） connect connect electrical electrical machine mechine （U. V. W） （U. V. W） SFT30 series 11KW~75KW 75KW~800KW SFT30 series 2.7.2 Control Circuit Terminal Drawing delay output analog output bypass output fault output stop start-up instantaneous... -
Page 14: Wiring Diagram
SFT30 Soft Starter User Manual V1.0 2.7.3 Controlling Circuit Terminal Wiring three lines for controlling two lines for controlling instantaneous stop instantaneous stop stop stop start-up start-up common terminal common terminal controlling terminal wire0.75-1.25mm2 K closed means start-up, K broke means stop 2.8 Wiring Diagram N or L1 Output... -
Page 15: Relay And Remote Control Wiring Diagram
V1.0 SFT30 Soft Starter User Manual 2.9 Relay and Remote Control Wiring Diagram relay controlling method relay controlling method instantaneous stop instantaneous stop stop stop start-up start-up common terminal common terminal K is the normally closed point (eg. thermal protector) connected to other protector, the factory default setting is short-circuit. -
Page 16: Operating Method
SFT30 Soft Starter User Manual V1.0 3.2 Operating Method Ø When power on and show <Ready> state, press start button; Ø Enter the setting item FP by the rated current value on the motor plate; Ø Check the motor after the start if the direction of rotation is correct, the operation is normal, if abnormal, you can press the stop button or cut off the power if necessary;... -
Page 17: Keyboard Panel
V1.0 SFT30 Soft Starter User Manual 4 Keyboard Panel 4.1 Appearance The keyboard panel has lots of operating functions such as keyboard panel operation, stop function data validation and change, and various status confirm- ation function. data function start up/ down stop/reset confirm 4.2 Key Function... - Page 18 SFT30 Soft Starter User Manual V1.0 Button Main function 2. Press this button and display input power supply voltage has been input already; Confirm 3. Press confirm button to power on, to set parameters to restore the factory value. 1. Enter the menu settings, to press this button to modify paramet- ers (the colon is not flashing, press xx: XXX button to modify function code.
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Page 19: Code Setting Functions
V1.0 SFT30 Soft Starter User Manual 5 Code Setting Functions Parameter setting code as following table Setting Default Specifications Code Name range Setting Startup startup effective voltage ramp mode; current 30-80% mode starting voltage is 40%. voltage Startup time 2-60S current limit mode invalid set 0 as free parking, set 0 when 1 connect Stop time... -
Page 20: Function Specification
SFT30 Soft Starter User Manual V1.0 Setting Default Specifications Code Name range Setting Underload specs refer to P13 Protection 0=close the protection for both the voltage imbalance and lack -phase 1=close the protection of voltage imbalance, lack-phase start the protection of lack-phase. protection 2=open the protection of voltage imbalance, close the protection of the lack-phase... -
Page 21: Code Fc Parameter Allowed Modification
V1.0 SFT30 Soft Starter User Manual Ø Timing to output change state. The reset time of the output is set at time F4, the delay is ended and the operation is maintained for 1 second; Ø Programmable timing output is a start-up process for the control cycle, if the motor is automatically restart again. -
Page 22: Revise Setting Parameter
SFT30 Soft Starter User Manual V1.0 Ø The underload protection delay range is 5 to 90 seconds, and the number of bits of the setting item FU is multiplied by 10, and when the number of bits of the FU is 0, the protection action delay is 5 seconds. For example, if the setting item FU=42, it means that the underload current is 40% and the protection action delay is 20 seconds. -
Page 23: Useful Information
9 Protection Function 9.1 Protection Function Specification SFT30 series soft starter has a perfect protection function, which protect soft starters and motor safety use.According to the different conditions, the protection level and protection parameters should be set appropriately when we use the it . -
Page 24: Protection Function Setting
If the soft start protection function does not meet the requirements of the user, you should add a special protective device to ensure safety. 9.2 Protection Function Setting To apply in different situation, SFT30 series soft start with five protection levels, namely: 0: primary, 1: light load,... - Page 25 V1.0 SFT30 Soft Starter User Manual Ø Primary protection prohibits the external momentary terminal function, while retaining only overheating, short circuit and start the input phase protection, suitable for unconditional emergency start occasions, such as fire pumps. Ø Light load, standard, overload three protection levels with full protection, the difference is that the motor overload thermal protection time curve is different.
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Page 26: Protection And Tripping Curves
SFT30 Soft Starter User Manual V1.0 9.3 Protection and Tripping Curves According to IEC60947-4-2stantard, the motor thermal protection trip time curve is as follows: t(s) 10000 1000 I/IE Table 9-3-1 thermal protection trip time curve( heat condition) -25-... -
Page 27: Protection
V1.0 SFT30 Soft Starter User Manual 10 Protection When the soft starter is abnormal, the protection function is activated, the trip im- mediately,the LCD display alarm name and related content please refer to Table 10-1-1. Display Desc. Problem&Solution Just happened undervoltage, overvoltage or overheating, Failure has been instantaneous stop terminals are open, such failures, now Err00... -
Page 28: Troubleshooting
SFT30 Soft Starter User Manual V1.0 Display Desc. Problem&Solution When you allow external control mode, the external External stop terminal Err14 control stop terminal is in the open state, which can not wiring error start the motor. Check the motor shaft and load faults. Motor underload Err15 Table 10-1-1... -
Page 29: Starting Mode
Check if the external stop button cable is loose 12 Starting Mode SFT30 series soft starter has six models to suit a variety of complex starter motor and load conditions, the user can choose it as different application. 12.1 Current Limit Starting Mode Ø... -
Page 30: Voltage Ramp Start Model
Ø Starting time T is based on standard load obtained in the standard experimental conditions, control parameters, SFT30 series soft starter is based on this parameter benchmark, by controlling the output voltage, make the motor speed up in a smooth start-up process, not a Mechanical control, regardless of time t. -
Page 31: Current Ramp Start Mode
V1.0 SFT30 Soft Starter User Manual Ø Before using this model, start motor with non-sudden jump model, if the motor can not move due to static friction, then use this model; otherwise avoid to start this mode to reduce the unnecessary high current impact. Un100% Un100% 100ms... -
Page 32: Soft Stop Mode
In this start mode, output voltage waveform will be based on the motor and load conditions vary. 12.6 Soft Stop Mode Ø SFT30 series soft starters, there are two stop modes, soft-stop mode and free stop mode. Ø When do not set F2 to zero, it is for soft stop mode. Chart12-6-1shows the soft stop mode output current waveform, set code F2 as the soft stop time T. -
Page 33: Dimension
V1.0 SFT30 Soft Starter User Manual Ø Under normal circumstances, if not necessary soft stop, stop mode should be free stop model, to extend the life of the soft starter. As stop model completely ban the instantaneous output, can avoid an instantaneous high- current impact in special applications. -
Page 34: Sft30-4T2500L~Sft30-4T3200L
SFT30 Soft Starter User Manual V1.0 13. 3 SFT30-4T2500L~SFT30-4T3200L 290.0 240.0 260.0 2×Φ10 DIGITYAL PANEL SOFT STARTER 确认 启动 STOP\/RS 设置 停止/复位 2×Φ10 13. 4 SFT30-4000L 330.0 240.0 300.0 2×Φ10 DIGITYAL PANEL SOFT STARTER 确认 启动 STOP\/RS 设置 停止/复位 2×Φ10 Note ：... -
Page 35: Application
Heat pump 15 RS485 Communication SFT30 series soft starters through the built-in RS485 standard interface can be connected with the personal computer and PLC for serial communication. Controlled by the host command to run the soft starter / stop, monitor the opera- tional status of the soft starter and modify its function data, etc. -
Page 36: Modbus Communication Protocol
SFT30 Soft Starter User Manual V1.0 15.1 MODBUS Communication Protocol 15.1.1 About MODBUS RTU Communication Protocol Modbus is a serial asynchronous communication protocol. Its physical interface is RS485. Modbus is for modicom PLCs and has structural features of PLC. Modbus in the network control, you can compare SFT30 soft starter for a PLC to its read and write. - Page 37 V1.0 SFT30 Soft Starter User Manual Code Write a single register Function description Read register The code 03 is read only with a single word (WORD) 15.1.2.3 Register Description 40001Command register Value Desc Start the starter Hold mode Starter parking Hold mode Reset the starter 3-15...
- Page 38 SFT30 Soft Starter User Manual V1.0 Example: Read Status Register Code 02 03 00 02 00 01 If the starter is starting up, return code 02 03 02 00 01 If the starter fails, return code 02 03 02 00 08, and can read the fault type, read the type of failure.
- Page 39 V1.0 SFT30 Soft Starter User Manual Example 3: Rewrite the soft starter function code 05 (starting current) to 250% Host code 02 06 01 05 00 FA, soft starter return code 02 06 01 05 00 FA; if returned 02 86 03 means can not be written, the starter may be running. 15.1.3 Abnormal Response Code...
- Page 40 SFT30 Soft Starter User Manual V1.0 15.1.3.3 Illegal Data Address 03 The master inquires the message format ： Start address Start address Register Register Substation Function High byte Low byte address code correction 0X01 0X04 0X00 0X80 0X01 0X80 04 Function code register address error, so sub-station response: Exception code Substation address Function code...
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Page 41: External Parts List
V1.0 SFT30 Soft Starter User Manual 16 External Parts List The external parts specification from 5.5KW to 55KW: Cable/ Motor Parameter Soft Starter Breaker copper bar Model No. Copper core(mm ) Power（kw） Current（A） Model No. Model No. （Bypass） SFT30-4T0110L CM1-63/32 CJ20-25 SFT30-4T0150L CM1-63/40... - Page 42 JANSON CONTROLS TECHNOLOGIES (SHENZHEN) CO.,LIMITED Add: Gushu Industrial Park, Hangcheng Street, Xixiang Town,Baoan District, Shenzhen City, China Tel: +86-0755-29611160 Fax: +86-0755-29611151 http://www.jansoncontrols.com V1.0...
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