Summary of Contents for Nietz SSN Series
- Page 1 Soft Starter SSN / SSA Series 数字式交流电动机软起动器 AC Motor Smart Soft Starter User Manual V2.1 NIetz Electrci Co.,Ltd...
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Page 2: Table Of Contents
NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual Directory Function and Characteristics …………………………………………………………………… 5 Model and Check……………………………………………………………………………………… 6 Installation……………………………………………………………………… 7 Conditions and 3.1 Conditions……………………………………………………………………………………………… 7 3.2 Installation…………………………………………………………………………………………… 8 Operating Principle………………………………………………………………………………… 9 Terminals and Wiring…………………………………………………………………………………10 wiring diagram…………………………………………………………………………………………10 External terminal…………………………………………………………………………………… 11 wiring……………………………………………………………………………………... - Page 3 NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual rated current adjusting………………………………………………………………………… 29 display current calibration…………………………………………………………………… 29 12. Fault………………………………………………………………………………………………… 30 12.1 Fault display and solutions………………………………………………………………… 30 12.2 Overload protection ……………………………………………………………………………31 13. Test running……………………………………………………………………………………… 32 Appendix1：specifications ………………………………………………………………………… 33 Appendix2：SSA serie Structure Size（ Built-in bypass contactor）………………………34 Appendix3：SSN serie Structure Size（...
- Page 4 In the case of a registered trademark and business ownership,final interpretation right to this manual is belonged to Nietz Electric Co.,Ltd. Any unreasonable application, especially in reproduction by third parties and release, is not allowed Although the information in this manual is checked carefully, but there may be some mistakes.
- Page 5 NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual 1.Function and feature SSN/SSA Series digital AC motor soft starter is new type starting equipment with advanced international level. This equipment designed and manufactured by the technique of power electronics microprocessor and modern control theory. This equipment can limit the start current efficiently when the asynchronous motor starts.
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Page 6: Check
NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual condition ◆ Analog signal：4-20mA output analog signal is provided； ◆ Actual power setting：When the rate power of Soft Starter is higher than the power of actual load, soft starter can be matched to the actual load by modifying the actual current parameter. - Page 7 Install in an enclosure with good ventilation. The vibration is less than 0.5G Structure Form: for the SSN series product, bypass contactor should be allocated by user for the SSA series product, there is inner bypass contactor ◆ Special conditions...
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Page 8: Installation
NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual 3.2 Installation ◆ Direction and Distance The product must be vertically installed. There should be enough space to dissipate the heat,as shown in figure 3-1. For the cabinet product, there should be a certain distance between back door of the product and wall. -
Page 9: Operating Principle
NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual Hot air Hot air Hot air Hot air Soft Starter Soft Starter Ventilation Cool air Figure3-2 Figure3-3 Horizontal layout Vertical layout 4. Operating principle There are three pairs of anti-parallel thyristors connected to the stator of motor. Using the electric switch feature of the thyristors, the voltage of the motor can be controlled by changing the triggering angel of the thyristors. - Page 10 NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual 5. General wiring and external terminal 5.1 Wiring schematic Note: 1. There are two wiring ways to control starting and stopping the startor externally. They are three-line and two-line wiring. (See ①and② in the figure above).Start signal is given by connecting terminal RUN and COM.
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Page 11: External Terminal
NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual 5.2 External terminals explain 表 5-1 Terminal Name Terminal function Explanation Connect to three-phase power source through R.S.T Input Main breaker (QF) circuit U.V.W Output Connect to three-phase asynchronous motor U1.V1.W1... -
Page 12: Main Circuit Wiring
There are six power terminals for SSAseries product. R, S, T(Power line) and U, V, W(Motor line).See figure F-5 There are nine power terminals for SSN series product. R, S, T(Power line) and U, V, W(Motor line) and U1,V1,W1(Bypass line).See figure F-6 5.4 Control circuit terminals... -
Page 13: Control Mode
NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual 6. Control mode This product has three start modes: Current Limit and Voltage Ramp and jogging. These start modes is independent. Only one of them can be chosen. Text below introduce that the different of them and which mode should be selected. -
Page 14: Jogging
NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual starting is concerned to the parameter of the current limit multiples. The more this value is, the shorter the time of starting is. Vice versa. For detail see chapter 8 and chapter 9. - Page 15 NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual 7. Keyboard 7.1 Keyboard Description There is a Keyboard on the front of the soft starter. User can operate it to display data, save data, check data, display fault, reset fault, start or stop the motor etc. The construction of the keyboard shows in figure 7-1.
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Page 16: Parameter Table
NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual 2. If user selects external control, the keyboard can be taken off after all the parameters set. 8.Parameter function table Table 8-1 The default Remarks DISPLAY Name Range and mean value... -
Page 17: Parameter Settings
NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual 9.Parameter setting 9.1 Starting mode On READY Sr8rdy state , press PRG key and release it 5 minutes later (or press PRG and ▼ key A08888 at the same time), system enter the Starting mode selecting state . - Page 18 NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual 9.2 parameter setting and inquiry(Voltage Ramp) If the voltage ramp mode is selected, the flow chart of the related parameters setting is show in figure 9-2 Voltage ramp mode A08881 pressPRG...
- Page 19 NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual 9.3 parameter setting and inquiry(Current Limit) If the Current Limit mode is selected, the flow chart of the related parameters setting is show in figure 9-3。 Current Limit mode A08882 pressPRG...
- Page 20 NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual 9.4 parameter setting and inquiry(Jogging) The Jogging mode is used in the state of device location and the motor director judged and the 3-phase current balance tested. In Jogging mode, the voltage maintain unchanged. The flow...
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Page 21: Control Mode Settings
NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual 9.5 Control Mode There are two ways to start and stop the motor through the soft starter: keyboard control and terminal control. In any way, user can set the parameter according to the situation(see figure 9-2、9-3、9-4). - Page 22 NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual 9.7 parameter details A08888 Starting Mode There are 3 starting mode. User can set this parameter by keyboard referring to chapter 8-1 and chapter 9. A18888 Initial Voltage This parameter is valid at the Voltage Ramp mode. If the Voltage Ramp mode is selected, the lamp V at the keyboard are light.
- Page 23 NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual Current Limit Time A58888 The range of Limit Time is 1~120 second at the Current Limit mode. The default is 30。 In the Current Limit Mode, if the actual starting time is longer than this value, and the starting current is not less than the 125% of the motor rate current, system enter the Protection State。...
- Page 24 NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual on the keyboard, and the protection functions are all on. 3-- when the bypass is on, SCR trigger is closed. The running current doesn’t show on the keyboard, and the protection functions are all off.
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Page 25: Special Parameters
NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual 9.8 Special parameter ● Rate Current The Rate Current indicate that the output current of the soft starter at the rate power. This parameter changes with the output power of the soft starter. For detail see chapter 10. The methods shows below. -
Page 26: Working State
NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual 9.9 Working State ● Ready When the soft Starter is power on, self-inspection is performed. The self-inspection includes: test the parameters that the user changed (fault protection of parameters setting), check if the phase of voltage is not right (protection of missing supply phase) and check if the system temperature is too high (protection of overheating) etc. - Page 27 NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual 10. Rate Current adjust The displayed current of e ach Soft starter is calibrated before leave factory, if user finds the current value showing on the keyboard is not equal to the actual current value, this parameter must be calibrated to ensure the motor can gain the better starting effect and protect function.
- Page 28 NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual 12.Fault Protection and Display There are 11 protections. When the fault is detected, soft starter stop immediately, the fault code displays on the keyboard. User can find the solution by check the explaination to this fault code.
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Page 29: Overload Protection
NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual 12.2 Overload Overload protection function is in used during the process of starting and running ● There are 8 protection levels. The default is 4(same as 15 in IEC60974-4-2 standard). User can set this parameter according to de load situation, the smaller this parameter is, the shorter the starting time of protection is, vice verse. -
Page 30: Test Running
NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual I E C 609 74-4- 2电机热态保护曲线 T (s) 10 00 0 10 0 0 10 0 30 级 25级 20 级 15 级 10 级 10A级 2级 0. 5 I/I e 1 . - Page 31 NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual At running state, press STOP key to stop the motor, return to ready stateSr8rdy. → During trial running, if the terminal mode is selected, setting parameter A88888 according to chapter 8,table 8-1 →...
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Page 32: Appendix2：Ssa Serie Structure Size（ Built-In Bypass Contactor
NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual SSN-132-3 SSA-132-3 SSN-132G-3 SSN-160-3 SSA-160-3 SSN-160G-3 SSN-187-3 SSA-187-3 SSN-187G-3 SSN-200-3 SSA-200-3 SSN-200G-3 SSN-250-3 SSA-250-3 SSN-250G-3 SSN-280-3 SSA-280-3 SSN-280G-3 SSN-320-3 SSA-320-3 SSN-320G-3 SSN-400-3 SSA-400-3 SSN-400G-3 SSN-450-3 SSA-450-3 SSN-450G-3 1000 SSN-500-3 SSA-500-3 SSN-500G-3... -
Page 33: Appendix3：Ssn Serie Structure Size（ Bypass Above
NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual SSA-200-3 ～ Φ9 φ13 SSA-320-3 Figure F-2 d1×6 W4×6 d×4 H1 H2 Appendix 3: SSN serie Structure Size（ bypass above） Table F-３ Appearance Sheet copper Dimension Installation dimension(mm) dimension(mm) Type (mm) SSN-008-3～... -
Page 34: Appendix4：Keyboard Shape Ande Dimension
NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual Figure F-3 W4×9 d1×9 d×4 H1 H2 H3 H4 Appendix 4： Keyboard shape ande Dimension 17.5 76.5 98.5 O ut l i ne D i m ensi on I nst al l at i on D i m ensi on Appendix5：... - Page 35 NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual Outline Demension(mm) Installation Demension(mm) Weight Installation Type Method SSN-008G-3 ～ 1800 Φ11 SSN-075G-3 SSN-090G-3 Cabinet ～ 1800 Φ11 SSN-160G-3 Figure F-7 SSN-187G-3 ～ 2000 Φ11 SSN-400G-3 SSN-450G-3 ～ 2000 Φ11 SSN-500G-3 soft start control cabinet d×4...
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Page 36: Appendix7：Ssa Serie Typical Wiring Diagram
NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual L1 L2 L3 2-line control free stop 3-line control STOP ⑴ COM JOG STOP RET SS 2-line control soft stop KSR200 bypass Faul t ⑵ N ot e: 2- l i ne cont r ol can be adopt ed i n ext er nal cont r ol m ode( see... -
Page 37: Appendix8：Ssng Serie Typical Wiring Diagram
NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual Appendix 8： SSN-G serie Typical wiring diagram application figure below 75KW in SSN Series application figure above 90KW in SSN Series... - Page 38 NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual Warranty card User Name： Detail address： Type： Zip code： Tel： Product NO： Purchased Date： Device： contacts： Supplier： maintenance company： contacts： tel： Maintenance date Maintenance Record Maintenance man NIetz Electric Co.,Ltd Certificate Type：...
- Page 39 NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual Warranty We solemnly promises that user can enjoy the after-sale guarantee service show as following since user purchase our product , This product has 24 months free warranty from the date users buy it. (except the products exported / product with special need / SSN-G series product user Enjoy the paid service for life from the date you buy the products.
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Page 40: Atention：data Download
NIetz Electric Co.,Ltd Soft starter SSN/SSA serie User Manual Atention： Data Download Related information about KSR series soft starter, please refer to our company website www.nietz.cn download the information you need by clicking on the "download center" in the menu bar data content：...