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MVC4 User Manual

1. Page Level Dascripuon Default Custom Accel Curve Disabled Disabled Curve A B or C Custom Curve A Curve A Voltage Level 1 2596 0 100 Curve A Ramp Time 1 2 sec 1 60 sec Curve A Voltage Level 2 3096 0 100 Curve A Ramp Time 2 2 sec 1 60 sec Curve A Voltage Level 3 3796 0 100 gt Curve A Ramp Time 3 2 sec 1 60 sec 8 Curve A Voltage Level 4 45 0 100 5 5 Curve A Ramp Time 4 2 sec 1 60 sec GS 23 E 5 Curve A Voltage Level 5 55 0 100 8 9 Curve Ramp Time 5 2 sec 1 60 sec 2 Curve A Voltage Level 6 67 0 100 5 E Curve A Ramp Time 6 2 sec 1 60 sec Curve Voltage Level 7 82 0 100 Curve A Ramp Time 7 2 sec 1 60 sec Curve A Voltage Level 8 100 0 100 Curve A Ramp Time 8 2 sec 1 60 sec Curve A Current Limit 350 FLA 200 500 Custom Curve B Custom Come Same Programmable Data Points and Ranges as Custom Curve A SP7 1 5 1 8 Overload Curve Configuration Setpoint Page 8 Setpoint Security Description Factory Setting Section Page Level Default Basic Run Overload Curve Run Curve Locked Rotor Time O L Class 1 30 sec O L Class Run Locked Rotor Current 600 FLA 400 800 c Coast Down Timer Disabled 1 60 Min Disabled s 5 Basic Start Overload Curve 8 Start Curve Locked Rotor Time O L Class 1 30 sec O L Class 5 o Start Locked Rotor Current 600 FLA 400 800 EHE DeL 5 T Acceleration Time Limit 30 sec
2. TYPE OFF STATOR PHASE A1 ALARM LEVEL OFF TRIP LEVEL OFF Range Range Range Range STATOR PHASE A2 2 DESCRIPTION FN STATOR PHASE A2 P STATOR PHASE A2 TYPE OFF STATOR PHASE A2 ALARM LEVEL OFF TRIP LEVEL OFF Range Range Range Range STATOR PHASE B1 EA RTD 3 DESCRIPTION STATOR PHASE 1 STATOR PHASE 1 TYPE OFF STATOR PHASE B1 ALARM LEVEL OFF TRIP LEVEL OFF Range Range Range Range STATOR PHASE B2 los RTD 4 DESCRIPTION STATOR PHASE B2 P STATOR PHASE B2 TYPE OFF STATOR PHASE B2 ALARM LEVEL OFF TRIP LEVEL OFF Range Range Range Range STATOR PHASE C1 PS RTD 5 DESCRIPTION PN STATOR PHASE C1 PN STATOR PHASE C1 TYPE OFF STATOR PHASE C1 ALARM LEVEL OFF TRIP LEVEL OFF Range Range Range Range STATOR PHASE C2 gt RTD 6 DESCRIPTION STATOR PHASE C2 STATOR PHASE C2 TYPE OFF STATOR PHASE C2 ALARM LEVEL OFF TRIP LEVEL OFF Range Range Range Range END BEARING TYPE 7 DESCRIPTION END BEARING lt gt gt END BEARING OFF END BEARING ALARM LEVEL OFF TRIP LEVEL OFF Range Range Range Range RTD 9 TYPE al RTD 9 DESCRIPTION RTD 9 ALARM RTD 9 TRIP OFF RTD 9 LEVEL OFF LEVEL OFF Range A Range Range Range Y RTD 10 TYPE 10 DESCRIPTI
3. elejelejee leje ere eeleelelelelelele eleleleleleleleleielee FIG 2 4 Typical Wiring Diagram To SCR Power Section Emergency Stop Switch Page 20 Chapter 3 Start up 3 1 Introduction It is best to operate the motor at its full load starting condition to achieve the proper settings Initial settings are set to accommodate most motor conditions TRY INITIAL SETTINGS FIRST See Section 5 1 2 Starter Configuration Set Point Page 2 to make any adjustments 3 2 Acceleration Adjustments The unit is set at the factory with typical starting characteristics that perform well in most applications When the system is ready to start try the initial settings If the motor does not come up to speed increase the current limit setting If the motor does not start to turn as soon as desired raise the Initial voltage adjustment Adjustment description and procedures are described as follows See Section 5 1 2 Starter Configuration Set Point Page 2 for additional Accel settings 3 2 1 Initial Voltage Factory Setting 20 of line voltage Range 0 100 of line voltage Initial voltage adjustment changes the initial starting voltage level to the motor 3 2 2 Ramp Time Factory Setting 10 sec Range 0 120 sec Ramp time adjustment changes the amount of time it takes to reach the current limit point or full voltage if the Current limit point was not reached Note Refer to your motor manual for
4. o a ite da Dede 27 42 21 Pa3SSWOId ACCESS cud Ih ee been baa enr Cems Bee eee 28 4 2 2 Changing Pen hn D eter esed es relique Ferr a Ete 28 Chapter 5 Setpoint 29 Page EISE aoro E rr irs PEDE ere cep io gestae 29 35 5 1 1 Basic Configuration Setpoint Page 1 te cett ba 29 5 1 2 Starter Configuration Setpoint Page 2 29 5 1 3 Phase and Ground Settings Setpoint Page 3 30 5 1 4 Relay Assignments Setpoint Page 4 31 ASAMV 2 3 13 8kV Class 5 1 5 Relay Configuration Setpoint Page 5 32 5 1 6 User Configuration Setpoint Page 6 32 5 1 7 Custom Acceleration Curve Setpoint Page 7 33 5 1 8 Overload Curve Configuration Setpoint Page 8 33 5 1 9 RTD Option Configuration Setpoint 9 34 5 1 10 RTD Password Level Configuration Setpoint Page 10 35 5 1 11 Communication Setpoint Page 11 cc cine itera nee meme 35 5 1 12 System Setpoint 2 EHE
5. 4 1 1 Keypad Operator designations and functions ITEM DESIGNATION DESCRIPTION MENU Toggle between the menu selection for metering and set point pages RESET Will clear the trip indicator and release the trip relay Pressing the ENTER button once enters the EDIT mode where set point values can be changed An Asterisk will appear on the display to indicate it is in the edit mode ENTER After a set point value is changed pressing the ENTER button again will save the revised value to memory and the asterisk will go off indicating the change has been saved When not in the edit mode the ENTER pushbutton will toggle through the event indicator list such as alarms or trips HELP Provides general help information about a specific set point or action Will scroll up through the set point and metering menu page It will scroll to the top of UP ARROW the set point page or a section In edit mode it will increase a set point in an incremental step or toggle through the available options in the set point In the main menu the RIGHT ARROW button provides access to the set point page RIGHT ARROW For set point pages with multiple columns the RIGHT ARROW will scroll the set point page to the right When in edit mode it will shift one character to the right DOWN ARROW Will scroll down through the set point pages and down through the set points In edit mode it will decrement through values and toggle available options in the set point LEFT
6. See FIG 2 3 2 Customer Connection Option ZERO SEQUENCE 0 05 BOARD Optiona POWER BOARD See FIG 4 Twisted Pair 2 2 3 9 A O B oc 5 40 O 5 e 8 123 4 v 7 C NO NC AUX amp CPT Control Power Transformer is standard on all soft starter units except on units Located in Medium Voltage Section 30 Medium Medium Voltage Voltage Supply CPT OA A B A B 120VAC 120VAC 120 C NO C NO NC 34 5 677 11 12 C NO NC E Y RTDIBOARD eo 2 3 1 Optional C NO NC NO NC C NO NC 3 3 4 5 6 7 58 9 40 14 12 2 1 NOTE NIS See FIdBI2 1 Wes IT ie te ea le PEPELEA 30 to Power Poles 2 Wire or Start Control Wiring contact input TCB BOARD NO S Wie VY LS AN see 2 2 1 tor detailed connections
7. 2 224 16 2 3 Circuit Board Layout Reference 17 19 Fig 2 3 1 Optional RTD Board OOo 17 Fig 2 3 2 RS485 R8422 Communications 17 Board Een tb LE DE atas eu ute etes 18 uomo Ee dM MP roe 19 2 4 Typical Wiring Diagraim 22 tee rette ed exe de dot ed eer ied tt Fen exl rarus 20 Fig 2 4 Typical Wiring 20 Chapter 3 SIarE DD eoo erbe vedere tette oontra 21 cw MT 21 3 2 EER 21 3 3 Deceleration 2 10 EEE nnn nnne n nitri 22 3 4 Sequence of Normal OpetratiOHi 1 re eret een ane D e eee e 23 3 5 te eia Hime ee Pe te 25 Chapter 4 User Interface and Menu 2 21 1 26 4 1 Keypad Operator 26 4 1 1 Keypad Operator designations and 26 AD Men NAVIG AG Macs seo e tet cea En
8. 7 Custom Acceleration ve CURVE A VOLTAGE LEVEL 2 30 CUSTOM ACCEL CURVE DISABLED Range DISABLED CURVEA BorC Increments of 1 CURVE A RAMP TIME 2 2 SEC Range 1 60 SEC Increments of 1 4 Range 0 100 CURVE A VOLTAGE LEVEL 3 37 Range 0 100 Increments of 1 p CURVE A RAMP CUSTOM CURVE A TIME 3 2 SEC Range 1 60 SEC V Increments of 1 CURVE VOLTAGE LEVEL 4 45 Range 0 100 Increments of 1 P III CURVE A RAMP TIME 4 2 SEC Continued on next page Range 1 60 SEC Increments of 1 CURVE A VOLTAGE LEVEL 5 55 Range 0 100 Increments of 1 CURVE A RAMP TIME 5 2 SEC Range 1 60 SEC Increments of 1 CURVE A VOLTAGE LEVEL 6 67 Range 0 100 Increments of 1 CURVE A RAMP TIME 6 2 SEC Range 1 60 SEC Increments of 1 CURVE A VOLTAGE LEVEL 7 82 Range 0 100 Increments of 1 CURVE A RAMP TIME 7 2 SEC Range 1 60 SEC Increments of 1 Page 52 SP 7 Custom Acceleration Curve Setpoint Page 7 Continued Security Level 3 Continued from Prev page CUSTOM CURVE A CUSTOM CURVEB lt il CURVE A VOLTAGE LEVEL 8 100 f Range 0 100 Y Increments of 1 CURVE
9. Increments of 1 SP6 5 User Programmable External Inputs The controller provides up to 4 digital external inputs which are individually programmable A description name can be assigned to each individual input for easy identification e External Input 1 Factory programmed for TCB Fault e External Input 2 If used this Setpoint must be enabled e Name Ext Input 2 The user can assign a description name to the input to easily identify the cause of external trip or alarm Up to 15 characters including spaces can be used to assign the name e External Input 2 Type The external input can be set as either a normally open or normally closed contact e External Input 2 Time Delay Upon a change in contact setting the unit will wait the programmed amount of time before generating an output If no delay is needed then input 0 seconds The controller will post an event upon seeing a change in state e External Input 3 The setup screens and Setpoints for External Input 3 includes the option of being configured for Dual Ramp In Dual Ramp mode the initial contact setting is the same as the START RAMP 1 Upon a change in input contact state the controller will switch over to START RAMP 2 and use that setting for start control mode Note The start RAMP types should only be switched while the motor is stopped In Setpoint Page 4 Relay Assignments do not assign any output relay to this function The controller is programmed with Exte
10. 6 8 NO 9 NC 2 Form C time delay Aux relay output contacts Time delay starts when the At Speed condition is reached 10 ideal for controlling a PFC contactor 11 NO 12 NC TB5 TCB Power T Description 1 L By connecting TB5 of multiple units in parallel PFC contactors will be inhibited from closing while a unit is 2 PFC soft starting PFCs that are already on line will remain on line The lead unit in the parallel string requires TB5 pins 1 amp 3 to be connected to the 120 source and neutral respectively 3 TB6 Main and CPU Circuit Board Control Inputs T Description 5 Y 120 Vac output to Control Power Input Main amp CPU Circuit Start Input 5 6 Fuse Blown Input 7 8 Dual Ramp Input a Bypass Status Input Page 13 2 2 2 Description of Terminal Connections Continued TB7 Main and CPU Circuit Board Control Outputs T Description 5 Run contacts AUX3 to the board Signal is used to hold the Contactor closed during deceleration To the TCB board indicating the status of AUX 1 At Speed Contacts AUX 4 used to signal the Bypass Contactor to close 7 Not Connected Not Used TB8 Control Inputs and Outputs T Description 5 N C dry contact input from blown fuse and or disconnect interlock N C contact input from an external Overload Protection device R
11. METERING PAGE 3 RTD VALUES METERING PAGE 4 STATUS METERING PAGE 5 EVENT RECORDER METERING PAGE 6 LAST TRIP METERING PAGE 7 STATISTICS Page 65 MP 1 Metering Metering Page 1 Displays basic current metering data MENU Y METERING PAGE 1 CURRENT METERED DATA IA THHEHHHE IB HHH G F THHEHE AVG RPM MOTOR LOAD OF FLA FLA 96 LINE FREQUENCY PHASE ORDER THERMAL REGISTER REMAINING 96 THERMAL CAPACITY TO START AVERAGE START TIME TIME SECS AVG START CURENT LIBHEHEE AMPS TO START ZHHEHEHE LAST START TIME SEC Screen 1 Phase A B C and ground fault option current Screen 2 Displays the average current the percent of imbalance and the motor s RPM available with tachometer input Screen 3 Displays the motor load in percent of motor FLA Screen 4 Displays the line frequency and the present Phase Order Screen 5 Displays the percent of the remaining thermal register In order for the motor to successfully start the percentage must be greater than the thermal capacity required for a successful start Screen 6 Displays the thermal capacity required to
12. PR Ee ek bu Rn 35 5 1 13 Calibration and Service Setpoint Page 13 25 5 2 Setpoints Menu and Parameter Explanation 36 65 SP V COMIGURATION 36 2 Starter ConfiguratiO Meee a UE Pedo atlas cen Eoo un eet 37 42 Fig SP2 3 Example of Switching from Jog to Start Ramp 1 Type Voltage 39 Fig SP2 4 Power Bamtp e reete deer erede la ea rud 41 SP 3 Phase amp Ground Settings cite e n de ele Ras FRU rk bs rede etc 43 46 Fig SP3 5 Overcurrent Trip Delay 43 SP 4 Relay ASSIODImIBGHL soie 47 42 SP 5 COMMA UA OM meet 48 SP User etes ite orar dr cepere Eo CRI dices 49 51 SP 7 Custom Acceleration QUEIVO od E Eu eset 52 54 SP 8 Overload Curve 55 56 SP 9 RTD Option GOnldguballOnis s sete tto timo e ada 57 58 SPD Set Password cepit pe Eti Eo Potete debt teme 59 SPA T COMMUNICATIONS OU Pee eda soupe
13. CURRENT LIMIT 1 350 FLA f Range 200 500 Increments of 10 INITIAL VOLTAGE 2 60 Range 0 100 Increments of 1 RAMP TIME 2 10 SEC Range 1 120 SEC Increments of 1 CURRENT LIMIT 2 350 FLA Range 200 500 Increments of 10 f Range 1 60 SEC Increments of 1 or screens will appear RAMP TIME 1 10 SEC Range 1 120 SEC Increments of 1 MAXIMUM CURRENT 1 350 FLA Range 200 500 Increments of 10 INITIAL POWER 2 20 Range 0 100 Increments of 1 A RAMP TIME 2 10 SEC Range 1 120 SEC Increments of 1 MAXIMUM POWER 2 80 FLA Range 0 300 Increments of 10 If Power is selected these KICK START KICK START VOLTAGE screens will appear TYPE DISABLED 55 Range Voltage or f Range 10 100 Disabled Increments of 5 DECELERATION KICK START TIME DISABLED 0 50 SEC Range Enabled or 0 10 2 00 5 Disabled of 0 10 j TIMED OUTPUT START DECEL VOLTAGE TIME OFF 60 Range 1 1000 SEC Range 0 100 Increments of 10 Increments of 1 RUN DELAY STOP DECELERATION TIME 1 SEC VOLTAGE 30 Range 0 30 5 Off Range 0 59 Increments of 1 Increments of 1 p AT SPEED DELAY DECELERATION TIME 1 SEC TIME 5 SEC Page 38 SP2 Starter Configuration Setpoint
14. e Analog Output 1 20 mA Enter a value that the 20mA level will represent for the selected function SP6 4 Analog Output Z2 All of the Setpoints and setup screens for Analog Output 2 are the same as those for Analog Output 1 Page 50 SP 6 User Configuration Setpoint Page 6 Continued Security Level 2 TCB FAULT NAME EXT INPUT B C TCB FAULT PN TCB FAULT SELECT ENABLED TCB FAULT TYPE N O TIME DELAY 1 SEC Range 0 60 SEC Options Enabled o See Text for ET Continued Disabled Instructions Options N O or Increments of 1 EXTERNAL INPUT 2 EXTERNAL INPUT 2 EXTERNAL INPUT 2 USER __ SELECT DISABLED lt gt NAME EXT INPUT 2 gt lt gt TIME DELAY 0 SEC PROGRAMM Options Enabled or See Text for Range 0 60 SEC ABLE Disabled Instructions N C Increments of 1 EXTERNAL INPUTS DUAL RAMP PR NAME EXT INPUT 3 lt gt DUAL RAMP P DUAL RAMP SELECT DUAL RAMP SECOND RAMP TYPE N O TIME DELAY 0 SEC Options Enabled See Text for 5 Range 0 60 SEC Disabled or Dual Ramp Instructions Options N C Increments of 1 THERMOSTAT P NAME EXT INPUT 4 PEN THERMOSTAT THERMOSTAT SELECT ENABLED THERMOSTAT TYPE N C TIME DELAY 1 SEC Options Enabled or See Text f TRES Range 0 60 5 Disabled 2
15. v TRIP 1ST TRIP A v S C TRIP 1ST TRIP ONLY A NON STATOR RTD ALARM 1ST NONE v OVERCURRENT TRIP 1ST TRIP RTD FAILURE ALARM 1ST NONE A STATOR RTD TRIP 1ST NONE A v SELF TEST FAIL 1ST TRIP NON STATOR RTD TRIP 1ST NONE A UNDERVOLTAGE TRIP 1ST TRIP A v POWER FACTOR TRIP 1ST NONE v TACH ACCEL TRIP 1ST NONE INHIBITS TRIP 1ST ALARM A y SHUNT TRIP 1ST NONE A v BYPASS DISCREPANCY 1ST NONE THERMAL REGISTER 1ST ALARM U V ALARM 1ST ALARM lt gt lt O V ALARM 1ST ALARM 1 POWER FACTOR ALARM 1ST NONE G F HI SET TRIP 1ST TRIP A v G F LO SET TRIP 1ST TRIP A v PHASE LOSS TRIP 1ST TRIP A v ACCEL TIME TRIP 1ST TRIP ONLY A KW DEMAND ALARM 1ST NONE v START CURVE TRIP 1ST TRIP ONLY A KVA DEMAND ALARM 1ST NONE v OVER FREQUENCY TRIP 1ST NONE A KVAR DEMAND ALARM v UNDER FREQUENCY TRIP 1ST TRIP 1ST NONE Y A AMPS DEMAND ALARM v START CURVE 1ST TRIP v LOW CONTROL VOLTAGE 1ST TRIP ONLY A v TCB FAULT 1ST TRIP A v EXTERNAL INPUT 2 1ST NONE A DUAL RAMP 1ST NONE A Y THERMOSTAT 1ST TRIP A v O L WARNING 1ST ALARM v OVERCURRENT ALARM
16. 15PO0CVB100 ASAMV Medium Voltage Soft Starter USER MANUAL Rev 00 lussed on 16 October 2014 This manual is integrant and essential to the product Carefully read the instructions contained herein as they provide important hints for use and maintenance safety This device is to be used only for the purposes it has been designed to Other uses should be considered improper and dangerous The manufacturer is not responsible for possible damages caused by improper erroneous and irrational uses Elettronica Santerno is responsible for the device in its original setting Any changes to the structure or operating cycle of the device must be performed or authorized by Elettronica Santerno Elettronica Santerno assumes no responsibility for the consequences resulting by the use of non original spare parts Elettronica Santerno reserves the right to make any technical changes to this manual and to the device without prior notice If printing errors or similar are detected the corrections will be included in the new releases of the manual The information contained herein is the property of Elettronica Santerno and cannot be reproduced Elettronica Santerno enforces its rights on the drawings and catalogues according to the law All the names and marks mentioned in this manual are the proprietary of their respective owners CARRARO GROUP Z SANTERNO Elettronica Santerno S p A Via della Concia 7 40023 Castel Guelfo BO Ital
17. 7200 V 4 36 18000 V 100 200 320 600 Amps Units Total Total Series Number Series Voltage Devices of PIV Rating Voltage Devices PIV Rating SCRs 10kV 11kV 6 36 27000V 13 2 13 8kV 6 36 39000V 1 5 Theory of Operation The Soft Starter is CPU controlled using a microprocessor based protection and control system for the motor and starter assembly The CPU uses Phase Angle Firing control of the SCRs to apply a reduced voltage to the motor and then slowly and gently increases torque using voltage and current control until the motor accelerates to full speed This starting method lowers the starting current of the motor reducing electrical stresses on the power system and motor It also reduces peak starting torque stresses on both the motor and mechanical load promoting longer service life and less downtime 1 5 1 Acceleration The soft starter comes standard with several methods of accelerating the motor so that it can be programmed to match almost any industrial AC motor application The factory default setting applies a Voltage Ramp with Current Limit as this has been proven to be the most reliable starting method for the vast majority of applications Using this starting method the Initial Voltage setting applies just enough voltage to cause the motor shaft to begin to turn This voltage is then gradually increased over the Ramp Time setting until one of two things happen the motor ac
18. e Remove input power by opening the disconnect switch and lock out Direct on line starting that will follow the normal start stop signal Onthe TCB board connect a wire from TB2 pin 1 to TB4 1 and TB2 pin 2 to TB4 pin 2 The unit will now allow direct on line starting that will follow the normal start stop signal For emergency bypass starting operation local to the unit Connect a normally open Dry contact to the TCB board TB2 pins 1 and 2 The unit will now start when the external switch is closed and stop when the switch is opened Note If the integral overload protection is not used see JP 1 Motor Protection Jumper in Sec 2 2 3 then bi metallic overload protection is required customer supplied if factory emergency overload protection option has not been included Page 25 Chapter 4 User Interface amp Menu Navigation This chapter explains the keypad operator interface the LCD descriptions and the programming features 4 1 Keypad Operator Interface The user keypad operator interface consists of 2 20 characters Liquid Crystal Display LCD e 12LEDs 8 pushbuttons Note The soft starter is menu driven and there are three levels of programming The programming for two of these levels is password protected Level two requires a three digit password and level three requires a four digit password RESET 40 80 AUX RELAYS 9 1010 4
19. Emergency Stop Check Emergency Stop Normally Activated Closed Input TB2 Terminal 9 amp 10 Short circuit or ground fault in motor cabling Locate and remove short or ground Phase Loss Repair cause of phase loss Branch circuit protection Verify correct sizing of branch Trip AUX1 not correctly sized circuit protection eee Remove power and replace main Faulty main circuit board circuit board Remove power and test SCR s Faulty SCRs Refer to Section 7 1 1 for the SCR testing procedure Single phase incoming Correct problem with incoming power power Remove power and test SCR s Faulty SCRs Refer to Section 7 1 1 for the SCR testing procedure Environment Temperature over 122 Place unit in environment Trip AUX1 ambient temperature temperature less than 122 F for panel version or less than 104 F for enclosed version Bypass failed to close Check bypass contactor and wiring The At Speed delay is incorrectly programmed Reprogram back to factory default value Page 73 7 1 Failure Analysis Continued CPU LCD Display Problem Thermostat trips during run Phase Loss Overload Stall prevention Under Voltage Trip Under Current Trip Self test Failure Line Frequency Trip AUX LED Relay Possible Cause Solutions If fans have power remove power Fan s not functioning and replace fan s If fans do not If supplied have power find cau
20. NO LATCHED NO AUX4 RELAY AUX4 RELAY FAIL SAFE NO LATCHED NO AUX5 RELAY AUX5 RELAY FAIL SAFE NO LATCHED NO AUX6 RELAY AUX6 RELAY FAIL SAFE NO LATCHED NO AUX7 RELAY AUX7 RELAY FAIL SAFE NO LATCHED NO AUX8 RELAY AUX8 RELAY FAIL SAFE NO LATCHED NO Page 48 SP 6 User Configuration Setpoint Page 6 Security Level 2 DOWN ARROW 5 TIMES Page 6 MENU User I O Configuration TACHOMETER SCALE SELECTION DISABLED ENABLED MANUAL TACH SCALE 4 0 mA 0 RPM Range 0 3600RPM Increments of 5 MANUAL TACH SCALE 20 0 mA 2000 RPM Range 0 3600RPM Increments of 5 TACH RAMP TIME 20 SEC re 1 120 SEC Disabled 1 Increments of 1 Option Enabled or Disabled v TACH ACCEL TRIP MODE SELECT DISABLED Option Underspeed Overspeed or Disabled TACH UNDERSPEED TRIP PT 1650 RPM Range 0 3600RPM Increments of 5 TACH OVERSPEED TRIP PT 1850 RPM Range 0 3600RPM AIncrements of 5 TACH ACCEL TRIP DELAY 1 SEC Range 1 60 SEC Increments of 1 ANALOG OUTPUT 1 RMS CURRENT Range Analog Output Range RPM 0 3600 Hottest Bearing 0 200 C Hottest Stator RTD 0 200 C RMS Current 0 6500A Motor Load 0 1000 KW 0 30000 KW OFF qena of 1 Range 0 65535 Increments of 1 ANALOG OUTPUT 1 4ma
21. SP1 4 NEMA design The motor design maximum allowed slip Select from Class A through F SP1 5 Insulation Class The motor insulation temperature class Select A B C E F G H K N or S SP1 6 Line Voltage Input Applied Voltage SP1 7 Line Frequency The user may choose either 50 Hz or 60 Hz Overload Class 30 Overload Class 25 Overload Class 20 SJ Overload Class 15 Page 37 SP 2 Starter Configuration Setpoint Page 2 Provides multiple choices for starting ramps that can be selected for particular loads and applications If Voltage is selected these If Current is selected these or MENU INITIAL VOLTAGE INITIAL CURRENT 1 20 1 200 FLA Range 0 100 Range 0 300 Page 2 Increments of 1 X Increments of 1 Starter Configuration START CONTROL MODE START RAMP 1 OPTIONS Jog Start Ramp 1 Start Ramp 2 Dual Ramp Custom Accel Curve Start Disabled JOG VOLTAGE 50 Range 5 75 or Off Increments of 5 START RAMP 1 TYPE VOLTAGE Options Voltage Current or Off START RAMP 2 DISABLED Options Voltage Power or Off 2 Range 0 30 SEC Increments of 1 BYPASS PULL IN CURRENT 100 FLA f Range 90 300 Increments of 1 screens will appear RAMP TIME 1 10 SEC f Range 1 120 SEC Increments of 1
22. START button to pins 7 amp 8 9 AC 120 VAC Control Power Neutral 10 Common 11 NO Normally Open 12 NC Normally Closed Form C Relay that changes state on Start and Stop commands TB2 Emergency Bypass Control T Description 1 NO When the N O contact closes the unit reverts to an electromechanical starter When a start command is 2 C given the unit will start the motor across the line 4 Terminals 3 4 5 is a form output relay that changes state when the contact at TB2 pins 1 amp 2 is closed 5 NC 6 NO 7 NC 120 VAC 200VA Aux Control Power output 8 Not Used 9 Normally Closed Emergency Stop Dry Contact Input 10 NC Open to activate the Emergency Stop Feature TB3 Fault Relay Outputs T Description 1 C 2 NO 2 Form C relay output that transfer on blown fuse or disconnect open indication 3 NC 4 5 NO 2 Form C relay output that transfer on blown fuse or disconnect open indication 6 NC 7 8 NO 2 Form C relay output that transfer on any fault indication 9 NC 10 C 11 NO 2 Form C relay output that transfer on any fault indication 12 NC 12 2 2 2 Description of Terminal Connections Continued TB4 Optional Relay Outputs T Description 1 C 2 3 NC 2 Form time delay Aux relay output contacts Time delay starts when the Start commend is given 4 5
23. 0 ANALOG OUTPUT 2 MOTOR LOAD Range See Analog Output 1 Increments of 1 USER PROGRAMMABLE EXTERNAL INPUTS Continue on page 51 ANALOG OUTPUT 2 4mA 0 Range 0 65535 Increments of 1 ANALOG OUTPUT 1 4ma 0 20mA 250 Range 0 65535 Increments of 1 ANALOG OUTPUT 2 20mA 1000 Range 0 65535 Increments of 1 Page 49 SP 6 User Configuration Setpoint Page 6 Continued Security Level 2 The Soft Starter can be configured to accept a tachometer feedback signal using the 4 20mA input SP6 1 The first screen of Setpoint page 6 is TACHOMETER SCALE SELECTION When this is set to ENABLED the user will need to input the tachometer scale of the 4 20mA input range e Manual Tach Scale 4 0 mA The unit is looking for an RPM value to assign to the lowest point on the scale This Value should represent the motor at zero speed e Manual Tach Scale 20 0 mA The unit is looking for an RPM value to assign to the highest point on the scale This value should represent the motor at full speed SP6 2 Tach Accel Trip Mode Select When enabled the underspeed or overspeed must be selected for the Tach Accel Trip If underspeed is selected only the Tach Underspeed Trip Point will be used If overspeed is selected only the Tach Overspeed Trip Point will be used Tach Inhibit Time This is the duration of
24. 1 300 sec Disabled 6 a Number of Starts Per Hour Disabled 1 6 Disabled s Time Between Starts Time 5 min 1 60 Min Disabled 3 Area Under Curve Protection Disabled Enabled or Disabled amp Max I I T Start 368 FLA 1 2500 FLA FLA sec Current Over Curve Disabled Disabled Learn Enabled Learned Start Curve Bias 10 5 40 SP8 4 Time for Sampling 30 sec 1 300 sec Page 33 5 1 9 RTD Option Configuration Setpoint Page 9 Setpoint Security Description Factory Setting Section Page Page 9 RTD Configuration Level 3 Password Protected Default Use NEMA Temp for RTD Values Disabled Enabled or Disabled SP9 1 of RTD Used for Stator 4 0 6 SP9 2 RTD Voting Disabled Enabled or Disabled SP9 3 Stator Phase 1 Type Off IM 100 OHM NI 100 OHM PT RTD 1 Description Stator A1 User defined Up to 15 Characters Stator Phase A1 Alarm Level Off 0 240C 32 464F Off Stator Phase A1 Trip Level Off 0 240C 32 464F Off Stator Phase A2 Type Off Same as Stator Phase A1 RTD 2 Description Stator A2 User defined Up to 15 Characters Stator Phase A2 Alarm Off 0 240C 32 464F Off Stator Phase A2 Trip Level Off 0 240C 32 464F Off Stator Phase B1 Type Off Same as Stator Phase A1 RTD 3 Description Stator B1 User defined Up to 15 Characters Stator Phase B1 Alarm Level Off 0 240C 32 464F Off Stator Phase 1
25. 1ST ALARM A 1ST NONE Y v SCR FAIL SHUNT ALARM 1ST NONE TIMED OUTPUT 1ST NONE A v LEARNED START CURVE 1ST TRIP A GROUND FAULT ALARM 1ST ALARM to RUN DELAY TIME 1ST NONE AT SPEED 1ST AUX4 Page 46 SP 4 Relay Assignment Setpoint Page 4 Continued Security Level 2 All of the protective functions of the Soft Starter are user programmable to an output relay The factory will ship with all tripping functions assigned to TRIP AUX1 relay and all alarm functions to ALARM AUXO2 relay Note AUX1 4 are Factory Set and should not be changed SP4 1 The following is a list of all the user programmable functions Note The 1st Relay Assignments are factory defaults and should not be changed RELAY ASSIGNMENTS FUNCTIONS OVERLOAD TRIP IMBALANCE TRIP SHORT CIRCUIT TRIP OVERCURRENT TRIP STATOR RTD TRIP NON STATOR RTD TRIP GROUND FAULT HI SET TRIP GROUND FAULT LO SET TRIP PHASE LOSS TRIP ACCEL TIME TRIP START CURVE TRIP OVER FREQUENCY TRIP UNDER FREQUENCY TRIP START CURVE LEARNED START CURVE PHASE REVERSAL OVERVOLTAGE TRIP UNDERVOLTAGE TRIP POWER FACTOR TRIP TACH ACCEL TRIP INHIBITS TRIP SHUNT TRIP BYPASS DISCREPANCY LOW CONTROL VOLTAGE TCB FAULT EXTERNAL INPUT 2 DUAL RAMP THERMOSTAT OVERLOAD WARNING OVERCURRENT ALARM SCR FAIL SHUNT ALARM GROUND FAULT ALARM UNDERCURRENT ALARM MOTOR
26. ABC Range ABC ACB or Disabled PHASE ROTATION TRIP DELAY 1 0 SEC Range 1 0 20 0 SEC Increments of 0 1 GROUND FAULT ALARM LEVEL OFF GROUND FAULT ALARM DELAY 0 1 SEC Range 5 90 Off Increments of 1 Range 1 0 20 0 SEC Increments of 0 1 GROUND FAULT LOSET TRIP LEVEL OFF GROUND FAULT LOSET TRIP DELAY 0 5 SEC Range 5 90 Off Increments of 1 Range 1 0 20 0 SEC Increments of 0 1 GROUND FAULT HISET TRIP LEVEL OFF Range 5 90 Off Increments of 1 GROUND FAULT HISET TRIP DELAY 0 008 SEC Range 0 008 0 250 SEC Increments of 0 002 OVERVOLTAGE ALARM LEVEL OFF OVERVOLTAGE ALARM DELAY 1 0 SEC Range 5 30 Off Increments of 1 Range 1 0 30 0 SEC Increments of 0 1 OVERVOLTAGE TRIP LEVEL 10 Range 5 30 Off Increments of 1 OVERVOLTAGE TRIP DELAY 2 0 SEC Range 1 0 20 0 SEC Increments of 0 1 Continued Next Page Page 43 SP3 6 Phase Loss Trip When enabled the Soft Starter will trip the motor off line upon a loss of phase power Phase Loss Trip Delay The amount of time the phase loss condition must exist before a trip will occur SP3 7 Phase Rotation Detection The soft starter is continuously monitoring the phase rotation Upon start command a trip will occur if it detects a change in the phase rotation Phase Rotation There are two possible
27. ARROW Will move to the left through set point pages with multiple columns When in edit mode it will become the backspace key and will shift one character to the left POWER Indicates control power is present RUN Indicates unit motor is running Lights in conjunction with Relay AUX 2 to indicate an Alarm event or warn of ALARM possible critical condition TRIP Lights in conjunction with Relay AUX 1 to indicate a Trip condition has occurred AUX 1 8 Auxiliary relays Note Relays 5 8 are available for customer use Note The directional arrow buttons require careful operation In edit mode if the buttons are held for a long period the scrolling speed will increase Page 26 4 2 Menu Navigation Notes METERING MENU CONFIGURATION MENU Page 1 Current Metered Data Page 1 Basic Configuration 2 Voltage amp Power Data Page 2 Starter Configuration LEVEL 1 Page 3 RTD Values Page 3 Phase amp Ground Settings 4 Status Page 4 Relay Assignment 5 Event Recorder Page 5 Relay Configuration 6 Last Trip Page 6 User I O Configuration 7 Statistics Page 7 Custom Acceleration Curve Page 8 Overload Curve Config LEVEL2 1 The MENU key allows you
28. DV DT network to discharge 2 Voltage sharing resistors may need to be disconnected to obtain correct readings for tests between positions amp C Page 76 Intentionally blank page Page 77
29. Description Section Page Level Default Default Display Screen Metering Data Page 1 Enter Metering Page 1 4 Enter Metering Screen Metering Data Screen 1 5 2 Een Page 3 1 29 Page 4 1 6 Alarms RTD Failure Alarm Disabled Enabled or Disabled SP122 v Thermal Register Alarm 90 Off 40 95 2 8 Thermal Alarm Delay 10 sec 1 20 sec 8 Thermal Register Setup Info 23 5 Cold Stall Time Class TA 5 30 or 4 40 second time a Hot Stall Time y Class Ye Class 4 40 sec 4 2 Stopped Cool Down Time 30 Min 10 300 Min Running Cool Down Time 15 Min 10 300 Min Relay Measured Cool Rates Disabled Enabled or Disabled SP12 3 Thermal Register Minimum 15 10 50 Motor Design Ambient Temp 40C 10 90C Motor Design Run Temperature 80 Max 50 100 of Motor Stator Max Temp Motor Stator Max Temp INS CLS INS CLS 10 240 C Input to Thermal Register Enabled Enabled or Disabled Use Calculated K or Assign 7 1 50 On Press Enter to Clr Thermal SP124 Register 5 1 13 Calibration and Service Setpoint Page 13 Setpoint Security Factory Setting Description ion Page Level Default Set Date and Time FACTORY SET gt gt DDMMYY HHMM BEL HH HH FACTORY SET _ 9 9 Enter Date DDMMYYYY Bh BHL HHH D 1 31 M 1 12 Y 1970 2069 SP13 1 T o 5 Enter Time HH MM SET
30. Displays KW and KVA 3 Displays KVAR and Power Factor 4 i 2 Displays Peak ON and KW Demand 5 OS Displays Peak ON and KVA Demand 6 Displays Peak and Demand 7 Displays Peak ON and Amps Demand 8 Clears Demand values 9 Displays Megawatt hours used 10 Press enter to clear statistics on MWH values 11 6 1 3 RTD Option Values Metering Page 3 Hottest stator RTD 1 6 1 Hottest non stator RTD 7 12 2 Temperature of start phase A1 in C and 3 Maximum temperature for RTD 1 4 42 Same as Screens 4 for RTDs 2 12 5 26 a Clear the maximum temperature register Level 3 password required 27 Measured running thermal stabilization time of motor in minutes 28 Measured stopped cooling time to ambient of motor in minutes 29 6 1 4 Status Metering Page 4 Current status 1 Amount of time remaining before an overload trip occurs 2 gt Amount of time remaining from thermal inhibit signal 3 lt Coast down time remaining 4 a Amount of time remaining before a start command can be given 5 Excessive number of starts per hour 6 Page 63 6 1 5 Event Recorder Metering Page 5 Displays the event with date and time Up to 60 events IO m 5 Displays Phase current values Ground Fault Option at time of trip 1A Displays
31. Protectio Imbalance Trip Delay 1 20 seconds Ove ent Protectio Trip Level 100 300 of motor FLA ectro ear P Trip Delay 1 20 seconds Under Current Trip Level 10 90 96 of motor FLA Under Current Trip Delay 1 60 seconds oast Do Ba p Coast Down Time Range 1 60 minutes Page 1 Lockout Timer Range 1 6 successful starts per hour Time between starts 1 60 minutes between start attempts PROGRAMMABLE OUTPUTS Type Rating Form C SPDT Rated 5 amps 240 VAC max 1200 VA Run Indication Programmable At Speed Indication Programmable Programmable Ramp Types Voltage or Current Ramp VR or CR Starting Torque 0 100 of line voltage VR or 0 600 of motor FLA CR Acceleration Adjustments Ramp Time 1 to 120 seconds Current Limit 200 500 VR or CR Power Ramp 0 300 4 Options VR1 VR2 VR1 CR2 CR1 CR2 CR1 VR2 Dual Ramp Settings Dual Ramp Control Ramp 1 Default Ramp 2 selectable via dry contact input Begin Decel Level 80 100 of line voltage Deceleration Adjustments Stop Level 0 to 1 less than Begin Decel Level Decel Time 1 60 seconds Jog Settings Voltage Jog 5 75 Kick Voltage 10 100 Pe Sel Kick Time 0 1 2 seconds Shorted SCR Phase Loss Shunt Trip Phase Imbalance Trip Overload Overtemp Overcurrent Short Circuit Load Loss Undervoltage or Any Trip Lockout Display Coast Down Time Starts Per Hour Time Between
32. RUNNING IMBALANCE ALARM STATOR RTD ALARM NON STATOR RTD ALARM RTD FAILURE ALARM SELF TEST FAIL THERMAL REGISTER U V ALARM O V ALARM POWER FACTOR ALARM KW DEMAND ALARM KVA DEMAND ALARM KVAR DEMAND ALARM AMPS DEMAND ALARM TIMED OUTPUT RUN DELAY TIME AT SPEED Ground fault option must be installed ist TRIP ONLY TRIP AUX1 TRIP ONLY TRIP AUX1 NONE NONE TRIP AUX1 TRIP AUX1 TRIP AUX1 TRIP ONLY TRIP ONLY NONE TRIP AUX1 TRIP AUX1 TRIP AUX1 TRIP AUX1 TRIP AUX1 TRIP AUX1 NONE NONE ALARM AUX2 NONE TRIP ONLY TRIP ONLY TRIP AUX1 NONE NONE TRIP AUX1 ALARM AUX2 ALARM AUX2 ALARM AUX2 ALARM AUX2 NONE AUX3 ALARM AUX2 NONE NONE NONE TRIP AUX1 ALARM AUX2 ALARM AUX2 ALARM AUX2 NONE NONE NONE NONE NONE NONE NONE AUX4 2nd NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Page 47 SP 5 Relay Configuratio
33. Speed Delay Time Used with the AUX 4 relay it energizes when the motor reaches At Speed and the programmed delay time has expired The relay remains energized until a stop command has been received Page 42 SP 3 Phase amp Ground Settings Setpoint Page 3 Security Level 2 SP3 1 Imbalance Alarm Level This is an advance warning of a phase imbalance problem The problem may not be a fault in the motor but merely caused by imbalanced voltages Imbalance Alarm Delay The amount of time the imbalance condition must exist before an alarm occurs SP3 2 Imbalance Trip Level This will trip the motor on excessive phase imbalance The trip level should be programmed to a higher value than the alarm level Imbalance Trip Delay The amount of time the imbalance condition must exist before a trip will occur SP3 3 Undercurrent Alarm Level Typically used to warn of possible load loss a coupling break or other mechanical problems Undercurrent Alarm Delay The amount of time the undercurrent condition must exist before an alarm will occur SP3 4 Overcurrent Alarm Level Typically used to indicate when the motor is overloaded This feature can be used to either stop the feed to the equipment or warn operators of an overload condition Overcurrent Alarm Delay The amount of time the overcurrent condition must exist before an alarm will occur SP3 5 Overcurrent Trip Level Typically used to indicate the motor is severely overloa
34. Typical RTD Installation FIG 2 3 1 Optional RTD Board 2 3 2 RS485 RS422 Communications Board Note This Board is mounted on the back of the Keypad Interface A connection Shield A B B 485 RCV XMIT RS422 Factory Only Shield Customer Connections Install jumper X1 to insert termination resistor for last unit in Modbus string All other units in the string should have the X1 jumper off FIG 2 3 2 RS485 RS422 Communications Board Page 17 2 3 3 Main Board Circuit Board Ground Test Points aq a 7 A Phase 4 B Phase 1 C Phase C NO NC C NO NC C NO NC C NO NC C NC C NO NC C NO NC NO NC AUX 1 AUX2 AUX 3 AUX 4 AUX 5 AUX 6 AUX 7 AUX 8 TRIP ALARM RUN AT SPEED Ll Refer to Set Point Page 5 information Relay Output Contact Rating 240VAC 5A 1200VA FIG 2 3 3 Power Board Page 18 2 3 4 CPU Board Tach Analog Analog Input Output 1 Output 2 4 20mA 4 20mA NOTE Install program jumper to enable set point programming Jumper must be removed after programming or for prolonged storage to preserve settings Program Enable Input External Input 2 TB3 Only use terminal 3 and 4 all other terminals are for factory use FIG 2 3 4 CPU Board Opto isolated Inputs Page 19 2 4 Typical Wiring Diagram KEYPAD INTERFACE See FIG 1 9
35. Vab Vbc Power Factor at time of trip 1B 6 1 6 Last Trip Metering Page 6 Cause of last trip 1 2 Measured phase current 2 Measured voltage and power factor 3 lt Imbalance percentage the frequency and the kW 4 ad Hottest stator RTD temperature 5 Hottest non stator RTD temperature 6 6 1 7 Statistics Metering Page 7 Total Megawatt Hours 1 Accumulated Total Running Hours 2 Clear the Total Running Hour Count 3 Total Number of Trips Number of Short CircuitTrips 4 Number of Start and Run Overload Trips since the last statistical data clearing 5 Number of frequency and Current Imbalance trips 6 Number of Over Current Trips 7 Stator and Non Stator RTD Trips 8 Ground Fault Hiset and Loset Trips 9 Acceleration Time Trips 10 Start Curve Trips 11 Start Curve Trips 12 2 Learned Start Curve Trips 13 aS Shunt Trip Trips 14 i Phase Loss Trips 15 Tach Acceleration Trips 16 Undervoltage and Overvoltage Trips 17 Power Factor Trips 18 Phase Reversal Trips 19 Low Control Voltage Trips 20 Ext Inp 1 Trips 21 Ext Inp 2 Trips 22 Ext Inp 3 Trips 23 Ext Inp 4 Trips 24 Press ENTER to Clear Statistics 25 Page 64 6 2 Metering Menu and Explanation Push MENU key to toggle the screens between Setpoint Menu and Metering Menu and follow the arrow keys to get to different screens MENU METERING PAGE 1 CURRENT METERED DATA 2 VOLTAGE amp POWER DATA
36. coat EAE HM MS 72 Chapter 7 Maintenance and Troubleshooting 4 02014242 2 73 7 1 Failure Analysis 73 75 Fetal OOM Testing Proced ra rt tee mc e a tcn unt edi ex 76 Chapter 1 Introduction This chapter is an introduction to the Reduced Voltage Solid State Soft Starter for medium voltage AC motors It is highly recommended that users read this section thoroughly to become familiar with the basic configuration operation and features before applying the Soft Starter 1 1 Overview The standard Soft Starter is an SCR based controller designed for the starting protection and control of AC medium voltage motors It contains SCR stack assemblies fiber optic connections and low voltage control circuitry ready to be interfaced with an enclosure and the necessary equipment to create a complete a Class E2 medium voltage motor Soft Starter 1 2 Specifications GENERAL AC Supply Voltage 2300 13800 VAC 10 to 15 Model dependent 125 Continuous 500 60 seconds 600 30 seconds 1 Cycle Up to 14x FLA Internally protected by the Frequency 50 or 60Hz 2Hz hardware selectable 6 SCRs 12 SCRs 18 SCRs Model dependent for 2 3 to 7 2 kV Class 36 SCRs for 10 13 8 kV Class 6500V 19500V for 2 3 to 7 2 kV Class 27000V 39000V Model dependent for 10 to 13 8kV Class see Table 1 Note Contact Factory Phase Insensitivity User selectable phase sequence detection
37. deba aeuo AE 59 SP 12 Syslem Setpolllls rrr ie By siege S ane Ee ne 60 61 SP 13 Calibration amp Servic6 eee e e ne ete Haee rea e 62 Chapter 6 Metering 63 6 1 Maleurig Page LISt in teo o Rt et qiu inane 63 6 1 1 Metering Menu amp Data Metering Page 1 63 6 1 2 Metering Metering Page 2 2522 etr hne ke Ru Rudd 63 6 1 3 RTD Option Values Metering Page 3 63 6 14 Status Metering nee ve E e inset pe rS 63 6 1 5 Event Recorder Metering 5 64 6 1 6 Last Trip Metering Page 6 oe ea espe e Res exl kx d ea ang nun epu sede tee 64 6 1 7 Statistics Metering Page 7 dde ee e qur ete eaten cee 64 6 2 Metering Menu and 65 Metering Ph oet cibo paese 66 isis o EP 67 Vales o oo foie ees 68 4 Ecl E 69 5 Event Recorder 60 Events aee e aH Nec e Wd 70 Last Trip rr M 71 MEZ SUAS ECS tt ed alm m uiae ee ald
38. defined Up to 15 Characters RTD 10 Alarm Level Off 0 240C 32 464F Off RTD 10 Trip Level Off 0 240C 32 464F Off RTD 11 Type Off Same as Stator Phase A1 RTD 11 Description User defined User defined Up to 15 Characters RTD 11 Alarm Level Off 0 240C 32 464F Off RTD 11 Trip Level Off 0 240C 32 464F Off RTD 12 Type Off Same as Stator Phase A1 RTD 12 Description User defined User defined Up to 15 Characters RTD 12 Alarm Level Off 0 240C 32 464F Off RTD 12 Trip Level Off 0 240C 32 464F Off Page 34 5 1 10 Password Level Configuration Setpoint Page10 Setpoint Security Factory Setting Description Section Page Level Default Page 10 Level 3 Set Level 2 Password 100 000 999 Three Digits SP10 1 Password Password Set Level 3 Password 1000 0000 9999 Four Digits SP10 2 5 1 11 Communications Configuration Setpoint Page11 Setpoint Security Factory Setting Page Level Description Default Section Set Front Baud Rate 9 6 KB sec 2 4 4 8 9 6 19 2 38 4 KB sec SP11 1 Set Modbus Baud Rate 9 6 KB sec 2 4 4 8 9 6 19 2 38 4 KB sec SP11 2 E Level 3 Modbus Address Number 247 1 247 SP11 3 cations Password Set Access Code 1 1 999 SP11 4 Set Link Baud Rate 38 4 KB sec 2 4 4 8 9 6 19 2 38 4 KB sec SP11 5 Remote Start Stop Disabled Enabled or Disabled SP11 6 5 1 12 System Setpoint Page 12 Setpoint Security Factory Setting
39. information Screen 1 Displays the cause of the last trip Screen 2 Displays the measured phase current at the time of the trip Screen 3 Displays the Vab Vbc and power factor at the time of trip Screen 4 Displays the imbalance percentage the frequency and the kW at the time of the trip Screen 5 Displays the hottest stator RTD temperature when RTD option present at time of the trip Screen 6 Displays the hottest non stator RTD temperature when RTD option present at the time of the trip MENU Y METERING PAGE 6 LAST TRIP CAUSE OF TRIP VALUE AT TIME OF TRIP f la lb lc G F HHH H Vab Vbc THEHHEBE Vea P F THHEHEHE 96 Hz KW IHHHHHHE HOTTEST STATOR RTD C HOTTEST NON STATOR RTD Page 71 MP 7 Statistics Metering Page 7 Displays the statistical trip information Screen 1 Displays the total of megawatt hours Screen 2 Displays the accumulated total running hours Screen 3 Clears the total running hour count Screen 4 Displays the total number of trips since the last clearing of the statistical data and the total number of short circuit trips Screen 5 Displays the number of start overload and run overload trips since the last clearing of the statistical data Screen 6 Displays the number of fr
40. lt DECELERATION j Sort closes Skwy STOP Ramp Time NEUTRAL NS PRESSURE EN S pressure _ Check Valve Closed NV PA N NO SHOCK WAVE LX FIG 3 3 Deceleration Control Another common application for decel control is on material handling conveyors as a means to prevent sudden stops that may cause products to fall over or to bump into one another In overhead crane applications soft stopping of the Bridge or Trolley can prevent loads from beginning to over swing on sudden stops Page 22 3 3 2 Start Deceleration Voltage Factory Setting 100 of line voltage Range 80 100 of line voltage The step down voltage adjustment eliminates the dead band in the deceleration mode that is experienced while the Voltage drops to a level where the motor deceleration is responsive to decreased voltage This feature allows for an instantaneous drop in voltage when deceleration is initiated 3 3 3 Stop Deceleration Voltage Factory Setting 20 of line voltage Range 0 100 of line voltage The stop voltage level set point is where the deceleration voltage drops to zero 3 3 4 Deceleration Time Factory Setting 5 sec Range 0 60 sec The deceleration ramp time adjusts the time it takes to reach the stop voltage level set point The unit should be restarted and stopped to verify that the desired deceleration time has been achieved When calcul
41. of 1 CURVE C VOLTAGE LEVEL 8 100 Range 0 100 Increments of 1 CURVE C RAMP TIME 8 2 SEC Range 1 60 SEC Increments of 1 CURVE C CURRENT LIMIT 350 FLA Range 200 500 Increments of 10 Page 54 SP 8 Overload Curve Configuration Setpoint Page 8 Security Level 3 Configures the unit s start and run protection mode The unit has independent start and run curve protection and the settings can be based on the OL Class or set by the motor s locked rotor current and time SP8 1 Basic Run Overload Curve Run Curve Locked Rotor Time Set the locked rotor time to the OL Class default chosen in Setpoint Page 1 or set the time in seconds This is the time the locked rotor condition exists before a trip occurs Run Locked Rotor Current The current the motor draws with full voltage on the windings and no rotor movement as a percent of motor FLA Refer to the nameplate data or contact the motor manufacturer Coast Down Timer If enabled this prevents the motor from restarting for the programmed amount of time after a stop command is given MENU PAGE 8 OVERLOAD CURVE DOWN ARRONT CONFIGURATION TIMES BASIC RUN OVERLOAD CURVE A de BASIC RUN OVERLOAD CURVE AREA UNDER CURVE PROTECTION DISABLED Options ENABLED or DISABLED J CURRENT OVER CURVE DISABLED Optio
42. of the soft start Screen 1 Displays the event i e Imbalance Trip with the date and time it occurred Screen 1a Displays the current at Phase A B C and the ground fault at the time of the event Note Ground fault option must be present Screen 1b Displays the Vab Vbc and power factor at the time of event MENU DOWN ARROW 4 TIMES METERING PAGE 5 EVENT RECORDER 60 events Screen 1 Screen 1 Screen 1b cause of event PR IA THHHHHE IB THHHHBHE lt gt Vab Vbc IC G F HHH P F HHHH and Event cause of event gt Lex IA THHHHHE IB THHHHBHE lt gt Vab Vbc THHHBHHE IC G F HHH HHH P F HHHH A y Screen 1 v Screen 1a Screen 1b EE cause of event gt EN IA THHHHHE IB THHHEHBHE lt gt Vab Vbc THHHHHE th Event IC G F HHHH HHHH P F HHEH 60th Event lt of event gt IB HHHH lt gt Vab HHHH HEHBEHBE HHHH IC G F HHH 9 P F HHHH All events will be viewed from oldest event in buffer to most recent event Page 70 MP 6 Metering Metering Page 6 Displays the last trip
43. or Disabled THERMAL REGISTER MINIMUM 15 Range 10 50 Increments of 1 of 1 MOTOR DESIGN AMBIENT TEMPERATURE 40 C Range 10 90 C Increments of 1 MOTOR DESIGN RUN TEMPERATURE 80 MAX Range 50 100 of Motor Stator Max Temp Increments of 1 MOTOR STATOR MAX TEMPERATURE INS CLS Insulation Class 10 240C Increments of 1 INPUT TO THERMAL REGISTER ENABLED Option Enabled or Disabled USE CALCULATED KOR ASSIGN 7 Range 1 50 ON THERMAL ALARM DELAY 10 SEC Range 1 20 SEC Increments of 1 Page 61 SP 13 Calibration amp Service Setpoint Page 13 Security Level 3 Certain screens are displayed for user information only such as Current date and time Model number and Firmware revision number Setpoint changes in this page will only be accessible to factory personnel SP13 1 Set Date and Time Displays the date and time e Enter Date DDMMYYYY Allows the factory personnel to program the date for the soft starter in the format shown e Enter Time HH MM Allows the factory personnel to program the time for the soft starter SP13 2 Model amp Firmware Displays the model number and firmware revision in the soft starter SP13 3 Press Enter to Access Factory Settings Available to qualified personnel MENU DOWN ARR
44. phase rotation options ABC or ACB This Setpoint monitors the wiring to ensure that the phase rotation is correct To view the present phase rotation go to Metering Page1 screen number 4 SP3 8 Ground Fault Alarm Typically used to warn of low level ground current leakage Ground Fault Alarm Delay The amount of time that the ground fault condition must exist before an alarm will occur SP3 9 Ground Fault Loset Trip Level Typically used to trip the motor on a low level of ground current leakage This Setpoint is intended to detect high impedance faults Ground Fault Loset Trip Delay The amount of time that the ground fault condition must exist before a trip will occur Ground Fault Option must be installed SP3 10 Ground Fault Hiset Trip Level Used to trip the motor within milliseconds upon detecting a high level of ground current leakage This Setpoint is intended to detect low impedance faults Ground Fault Hiset Trip Delay The amount of time that the ground fault condition must exist before a trip will occur SP3 11 Overvoltage Alarm Level Typically used to indicate when the line voltage is too high This is an alarm level Overvoltage Alarm Delay The amount of time that the overvoltage condition must exist before an alarm occurs Continued From Previous Page UNDERVOLTAGE ALARM LEVEL OFF lt gt UNDERVOLTAGE ALARM DELAY 1 0 SEC Range 5 30 Off Increment
45. the maximum number of starts per hour allowed by the manufacturer and do not exceed the recommended number 3 2 3 Current Limit see FIG 3 2 3 Factory Setting 350 of motor FLA Range 200 500 of motor FLA The main function of current limit is to limit the maximum current It may also be used to extend the ramp time if required The interaction between the voltage ramp and the current limit will allow the soft start to ramp the motor until the maximum current is reached and the current limit will hold the current at that level The current limit must be se high enough to allow the motor to reach full soeed The factory setting of 350 is a good starting point Do not set the current limit too low on variable starting loads This could cause the motor to stall and eventually cause the overload protection to trip Note If the motor does stall refer to the motor manufacturer s motor data for the proper cooling time 100 Acceleration Mode lt o imi n gt Curent FIG 3 2 3 Current Limit 5 t o E Starting Torque Level gt ACCELERATION Page 21 3 3 Deceleration Adjustments Pump Control Decel control extends the stopping time on loads that would otherwise stop too quickly when power is removed Decel control provides smooth deceleration until the load comes to a stop Three adjustments optimize the deceleration curve to meet the most demanding requirements The unit is shipped from
46. the performance of the soft starter If a motor overload condition occurs and the Overload protection trips it cannot be reset until sufficient cool down time has elapsed This cool down time is determined by the Learned Thermal Capacity required to start the motor which must be regained before the overload can be reset This ensures sufficient thermal capacity for a successful restart of the motor e Retentive Memory provides continuous overload protection and true thermal modeling by means of a running back up of the thermal register even if power is lost Upon restoration of power the soft starter will read the Real Time Clock then recalculate and restore the thermal register to what it should be given the elapsed time and the cool down rate of the motor Learned Reset Capacity is a feature that is unique to the Soft Starter By sampling the amount of thermal capacity used in the previous three successful starts the starter will not allow a reset until a sufficient amount of thermal capacity has been regained in the motor This prevents nuisance tripping and insures that unsuccessful start attempts which would otherwise use up the starts per hour capacity of the motor are not counted 1 8 Firing Circuit The SCR gate firing circuit is critical to the performance and stability of the system The firing circuit includes several unique features which enhance the ruggedness noise immunity and flexibility for maximized performance These feat
47. the run mode in the set time Acceleration time limit see SP8 2 a trip will occur When the Motor Reaches full speed the At Speed LED will come on and the Aux 4 At speed relay will energize closing the bypass contactor Phase A C and Gnd FIt current is then shown on the keypad during operation 1 ___1 __ IC Gb 24 3 5 Emergency Bypass Operation 2 3 to 7 2kV Class A e Remove input power by opening the disconnect switch and lock out HAZARDOUS OPERATION e Close the emergency Bypass contact located on the TCB board at TB2 Do not operate the Bypass Contactor See section 2 2 1 for location with medium voltage power applied e Unlock and reclose the disconnect switch to the unit Failure to follow this instruction will Note In the emergency bypass mode there is no overload protection cause the motor to start unless a separate optional or customer supplier thermal overload relay is unexpectedly installed or JP 1 Motor Protection Jumper Sec 2 2 3 is removed from the TCB Board The unit is operable as a normal across the line starter When power is applied the bypass contactor is energized tying the input terminals directly to the output terminals When the START command is given the main in line contactor is energized and the motor line starts When the STOP command is given the motor is disconnected from the line power via the main in line vacuum contactor 10 to 13 8kV Class
48. time before the starter begins sampling the tachometer e Tach Underspeed Trip Defines the minimum motor speed using the Tach feedback When the underspeed trip mode is enabled and the motor speed falls below this level for the time specified by the Tach Accel Trip Delay an underspeed trip occurs e Tach Overspeed Trip Defines the maximum allowed motor speed using the Tach feedback When the overspeed trip mode is enabled and the motor speed exceeds this level for the time specified by the Tach Accel Trip Delay an overspeed trip occurs e Tach Accel Trip Delay The duration of time that the Tach Accel trip condition must persist before a trip is generated SP6 3 The controller provides two 4 20mA analog outputs Each analog output is independent of the other and can be assigned to monitor different functions The available output ranges are RPM Hottest Non Stator Bearing RTD Hottest Stator RTD RMS current and Motor Load e Analog Output 1 Select a function from the available five options to be transmitted from the 4 20mA output Note selecting RPM the Tachometer feedback input signal must be present in order for the controller to give proper output If selecting RTD the RTD option must be installed and an RTD input signal must be present for a proper output to be given from the analog output e Analog Output 1 4 mA Enter a value that the 4mA level will represent for the selected function typically this value should be 0
49. 12 Displays System Setpoints Setpoint Page 13 Displays Calibration amp Service Metering Page List Metering Menu Metering Page 1 Displays Metering Data Metering Page 2 Displays Metering Metering Page 3 Displays RTD Values Metering Page 4 Displays Status Metering Page 5 Displays Event Recorder Metering Page 6 Displays Last Trip Metering Page 7 Displays Statistics Failure Analysis amp Troubleshooting SCR Testing Procedure 52 54 55 56 57 58 59 59 60 61 62 54 64 65 66 67 68 69 70 71 72 73 75 75 Page 3 1 4 Design Features The standard Soft Start panel has the following features e SCR Power Modules For each phase the SCRs are arranged in inverse parallel pairs and series strings as indicated in Tablet below to facilitate sufficient Peak Inverse Voltage ratings for the application e RCSnubber Networks Provide Transient Voltage Protection for SCR Power Modules in each phase to avoid dv dt damage Firing Circuit The SCRs are gated turned on using a Sustained Pulse Firing Circuit This circuitry is isolated from the control voltage by means of fiber optics 200 amp 400 Amps Units Table 1 Unit PIV Ratings 600 Amps Units Total Total Series Number PIV Rating Series PIV Rating Voltage Devices of Voltage Devices 2 SCRs 2300 V 0 6 6500 V 2300 V 2 12 9000 V 3300 4160 V 2 12 9000 13000 V 3300 4160 V 4 24 9000 18000 V 6000 7200 V 3 18 19500 V 6000
50. 3 2 3 3 3 4 4 2 5 1 5 2 Specifications Design Features Unit PIV Ratings Electronics Keypad Operator Interface TCB Board Layout and Connections TB1 TB2 amp TB3 Description TB4 TB5 amp TB6 Description TB7 amp TB8 Description Jumper Selections Switch Settings LED Indicators Optional RTD Board Communications Board Layout amp Connections RS485 and RS422 Power Board amp Connections CPU Board Layout amp Connections Typical Wiring Diagram Acceleration Adjustments Deceleration Adjustments Sequence of Operation Menu Navigation Changing Setpoints Example Setpoints Page List Setpoint Menu amp Parameter Explanation Setpoint Page 1 Displays Basic Configuration Overload Class Trip Curves Setpoint Page 2 Displays Starter Configuration Jog Voltage Ramp Setpoint Page 3 Displays Phase amp Ground Settings Overcurrent Trip Delay Graph Setpoint Page 4 Displays Relay Assignment Setpoint Page 5 Displays Relay Configuration Setpoint Page 6 Displays User I O Configuration 1 2 5 2 15 6 1 15 6 2 16 17 17 18 19 20 21 22 23 7 1 27 7 1 25 29 35 36 65 36 37 37 42 39 41 43 47 42 48 49 51 Setpoint Page 7 Displays Custom Acceleration Curve Setpoint Page 8 Displays Overload Curve Configuration Setpoint Page 9 Displays RTD Option Configuration Setpoint Page 10 Displays Set Password Setpoint Page 11 Displays Communications Setpoint Page
51. A RAMP TIME 8 2 SEC Range 1 60 SEC Increments of 1 CURVE CURRENT LIMIT 350 FLA Range 200 500 Increments of 10 CURVE B VOLTAGE LEVEL 1 25 Increments of CURVE B RAMP TIME 1 2 SEC Range 0 100 Increments of 1 CURVE B VOLTAGE Range 1 60 SEC SJ LEVEL 2 30 Range 0 100 Increments of 1 7 CURVE RAMP TIME 2 2 SEC Range 1 60 SEC Increments of 1 CURVE B VOLTAGE LEVEL 3 37 Range 0 100 Increments of 1 24 L CURVE B RAMP TIME 3 2 SEC Range 1 60 SEC Increments of 1 CURVE VOLTAGE LEVEL 4 45 Range 0 100 Increments of 1 j CURVE B RAMP TIME 4 2 SEC Range 1 60 SEC Increments of 1 CURVE B VOLTAGE LEVEL 5 55 Range 0 100 1 Increments of1 CURVE B RAMP TIME 5 2 SEC Range 1 60 SEC Increments of 1 guum CURVE B VOLTAGE LEVEL 6 67 Range 0 10096 Increments of 1 CURVE B RAMP CUSTOM CURVE Cont I TIME 6 2 SEC Range 1 60 SEC Increments of 1 24 CURVE VOLTAGE LEVEL 7 82 Range 0 100 Increments of 1 CURVE B RAMP TIME 7 2 SEC Range 1 60 SEC Increments of 1 A CURVE B VOLTAGE LEVEL 8 100 Ra
52. CD screen that indicates Edit Mode To change the value select the UP ARROW or DOWN ARROW In this case push the UP ARROW twice 2x To accept the new value press the ENTER button The unit will accept the changes and will leave the edit mode Note the is no longer in the top right corner of the LCD Display PAGE 1 BASIC MOTOR FULL LOAD AMPS CONFIGURATION 140 AMPS MOTOR FULL LOAD 5 Push Twice 140 AMPS ENTER Save Entry MOTOR FULL LOAD AMPS MOTOR FULL LOAD AMPS 142 AMPS di 142 AMPS 28 Chapter 5 Setpoint Programming The soft starter has thirteen programmable Setpoint pages which define the motor data ramp curves protection I O configuration and communications In Section 5 1 the Setpoint pages are outlined in chart form In Section 5 2 the Setpoint pages are illustrated and defined for easy navigation and programming Note Setpoints can only be changed then the starter is in the Ready Mode Also the soft start will not start when it is in programming mode 5 1 Setpoints Page List These charts list the Setpoint Page the programmable functions and the section 5 1 1 Basic Configuration Setpoint Page1 Setpoint Security Factory Setting Description Section Page Level Default 50 100 of Unit Max Current Rating 5 Motor Full Load Amps FLA Model dependent Model and Service Factor dependent SP1 1 E _ 8 Service Factor 1 15 1 00 1 3
53. Displays the average current during start Screen 9 Clears Demand Values Screen 10 Displays the Megawatt hours used Screen 11 Press Enter to clear statistics on MWH values Page 67 MP 3 Metering Metering Page 3 Displays the RTD information When RTD option is installed Screen 1 METERING PAGE 3 HOTTEST STATOR gt gt MENU RTD VALUES RTD DOWN A ARROW 2 Screen 2 Y n HOTTEST NON STATOR RTD C Screen 1 Displays the hottest stator RTD STATE EEE Y 1 6 depending upon number of RTDs used for stator 1 C lt gt CLEAR RTD 1 ENS 5 v Screen 6 v Screen 2 Displays the hottest non stator RTD 17 12 if STATOR PHASE A2 MAX TEMP SINCE 111 6 is used for stator RTD 2 C lt gt CLEAR RTD 2 7 Y Screen 8 Y Screen 3 Displays the temperature of stator phase A1 in STATOR PHASE B1 MAX TEMP SINCE C and F RTD 3 C lt gt CLEAR RTD 3 C 9 y Screen 10 Y Screen 4 Displays the maximum temperature RTD 1 STATOR PHASE B2 l MAX TEMP SINCE RTD 4 C F CLEAR RTD 4 C since the last command to clear the thermal r
54. H 00 23 M 0 59 gt HH HH ag 9 Model FACTORY SET x 5 8 Firmware REV HAHAH Display Only Cannot be changed SP13 2 8 to Access Factory Available to Qualified Factory Personnel SP13 3 Page 35 5 2 Setpoints Menu and Parameter Explanation SP1 SP13 SP 1 Basic Configuration Setpoint Page 1 In Setpoint Page 1 is used to setup basic nameplate data of the motor MENU Page 1 Basic Configuration MOTOR FULL LOAD AMPS 200AMPS SERVICE FACTOR 1 15 X FLA OVERLOAD CLASS 10 NEMA DESIGN B INSULATION CLASS B LINE VOLTAGE INPUT 4160 VOLTS LINE FREQUENCY HZ 60 Range 1 00 1 3 Increments of 0 01 Range 5 30 Increments of 5 Range A F Range 5 Range 100 20 000 Model dependent Range 50 or 60 SP1 1 Motor Full Load Amps FLA Allows the user to enter the motor s FLA rating Range of adjustment is 50 100 less programmed service factor SP1 2 Service Factor Sets the pickup point on the overload curve as defined by the programmed motor full load current Ex If the motor FLA is 100 and the service factor is 1 15 the overload pickup point will be 115 Amps Page 36 SP1 3 Overload Class Choose the motor protection overload class range from 5 30 Ex Overload Class 10 will trip in 10 seconds at six times Motor FLA 1x10 1000
55. ON RTD 10 ALARM gt RTD 10 TRIP OFF RTD 10 LEVEL OFF LEVEL OFF Range Range Range Range Y RTD 11 TYPE PM RTD 11 DESCRIPTION RTD 11 ALARM bs RTD 11 TRIP OFF RTD 11 LEVEL OFF LEVEL OFF Range Range Range Range v RTD 12 TYPE RTD 12 DESCRIPTION RTD 12 ALARM lt gt RTD 12 TRIP OFF RTD 12 LEVEL OFF LEVEL OFF Range Range Range Range Page 58 SP 10 Set Password Setpoint Page 10 Security Level 3 The soft starter has three levels of user programmable setpoint screens Level one setpoints do not require a password because the data contained in level one is basic nameplate data and starter control Level two setpoint screens require a three digit password to configure the protection schemes Level three setpoint screens require a four digit password to access the full range of protection and starter schemes MENU Y DOWN ARROW 9 TIMES Page 10 SET LEVEL 2 SET LEVEL 3 SECURITY SET gt PASSWORD PASSWORD 100 PASSWORD 1000 Range 000 999 Range 0000 9999 SP10 1 Set Level 2 Password This level uses a 3 digit password The default level 2 password is 100 SP10 2 Set Level 3 Password Level three uses a 4 digit password The default level 3 password is 1000 SP 11 Communications Setpoint Page 11 Security Level 3 SP11 1 Set Front Baud Rate Configures the RS232 communications baud rat
56. OW 12 TIMES aE amp SET DATE AND TIME ENTER DATE DDMMYYYY lt gt ENTER TIME hh mm Range D 1 31 M 1 12 Range H 00 23 Y 1970 2069 M 0 59 MODEL Increments of 1 Increments of1 FIRMWARE REV fHHHHHE PRESS ENTER TO ACCESS FACTORY SETTINGS Page 62 Chapter 6 Metering Pages The Soft Starter offers performance metering which gives the user the ability to view information about the motor and the unit 6 1 Metering Page List The following charts list each Metering Page and the functions within that page The applicable section of the manual is also referenced 6 1 1 Metering Menu amp Data Metering Page 1 Phase and Ground Fault Option 1 lt Average current of the of imbalance and the motor s RPM Tach Option 2 3 Motor load as percentage of motor FLA 3 3 Line frequency and present phase sequence 4 5 Percentage of remaining Thermal Register 5 lt lt Thermal capacity required to start the motor 6 m 2 Average time required to start 7 o Average current during start 8 2 Measured 2 required to start the motor 9 Amount of time required to start the motor during the last successful start 10 6 1 2 Metering Metering Page 2 Phase A B C currents and Power Factor 1 Phase A B C currents and Ground Fault Option 2
57. Page 2 Menu Navigation SP2 1 Start Control Mode Dual Ramp Custom Accel Curve Jog Voltage Start Ramp 1 Start Ramp 2 Dual Ramp dual ramp mode works in conjunction with External Input 3 This allows the user to switch between the two start ramps without having to reconfigure the start mode For details on configuring External Input 3 for DUAL RAMP see Setpoint Page 6 Custom Accel Curve Allows the user to custom design the acceleration start curve to the application See Setpoint page 7 for configuration setup Note If Custom Accel Curve has not been enabled in Setpoint page 7 the soft starter will ignore the start control mode and read this Setpoint as disabled SP2 2 Jog Voltage The voltage level necessary to cause the motor to slowly rotate SP2 3 Start Ramp 1 Type The ramp type can be setup for either Voltage or Current If Voltage is selected initial voltage ramp time and current limit are adjustable If Current is selected initial current ramp time and maximum current are adjustable Start Ramp 1 Type Voltage Voltage Ramping is the most reliable starting method because the starter will eventually reach an output voltage high enough to draw full current and develop full torque This method is useful for applications where the load conditions change frequently and where different levels of torque are required Typical applications include material handling conveyors positive displacement pumps and drum mix
58. Rs in each stack Temp CT Boards are attached to the Gate Drive boards on the SCR stacks and provide the heat sink Temperature and line current signals back to the Main Power Board via fiber optic cables MOV Boards are attached to standoffs mounted on the SCR heat sinks and are mounted directly below the Gate Drive boards The MOV boards are used to protect the SCRs from over voltage e DV DT Boards are also attached to standoffs mounted on the SCR heat sinks and are mounted below the MOV boards The DV DT boards are used to mitigate voltage transients across the stack assemblies Page 9 Chapter 2 Connection 2 1 Warnings Do not service this equipment with voltage applied The unit can be the source of fatal electric shock To avoid shock hazard disconnect main power and control power before working on the unit Warning labels must be attached to terminals enclosure and control panel to meet local codes observing Lock Out Tag Out procedures Do not connect PFC capacitors or surge capacitors to the load side motor side of the unit This will cause di dt damage to the SCRs when they are turned on and will void the warranty on this product Capacitors can only be connected to the load side of the starter through the use of an isolating contactor which is closed after the soft starting sequence has been completed or when di dt limiting inductors are factory installed Avoid connecting capacitors to the input side of t
59. SP1 2 nS 85 Overload Class 10 Class 5 30 SP1 3 amp 8 5 NEMA Design B AF SP14 g insulation Class B A B C H K N 5 SP1 5 8 Line Voltage Model dependent 100 to 20000V SP1 6 Line Frequency 60 50 or 60 HZ SP1 7 5 1 2 Starter Configuration Setpoint Page 2 Setpoint Security Factory Setting Page Level Description Default Section Jog Start Ramp 1 Start Ramp 2 Custom SP2 1 Start Control Mode Start Ramp 1 Accel Curve Start Disabled Dual Ramp Tach Ramp Jog Voltage 50 5 75 Off SP2 2 Start Ramp 1 Type Voltage Voltage Current Initial Voltage 1 20 0 100 Ramp Time 1 10 sec 1 120 sec Current Limit 1 350 FLA 200 500 SP23 Initial Current 1 200 FLA 0 300 Ramp Time 1 10 sec 1 120 sec Maximum Current 1 350 FLA 200 500 5 8 Start Ramp 2 Disabled Disabled Voltage Power 8 Initial Voltage 2 60 0 100 a amp Ramp Time 42 10 sec 1 120 sec ot Current Limit 2 350 FLA 200 500 29 SP2 4 Initial Power 2 20 0 100 8 8 2 10 1 120 a 9 Maximum Power 2 80 0 300 96 Kick Start Type Disabled Voltage or Disabled SP2 5 Kick Start Voltage 65 10 100 Kick Start Time 0 50 sec 0 10 2 00 Deceleration Disabled Enabled or Disabled Start Deceleration Voltage 100 80 100 SP26 Stop Deceleration Voltage 30 0 79 Deceleration
60. Screen 4 TOTAL TRIPS S C TRIPS Screen 3 PRESS ENTER TO CLEAR RUN HOURS Screen 5 1 START O L TRIPS RUN O L TRIPS Screen 6 1 FREQUENCY TRIPS TRIPS Screen 7 OVERCURRENT TRIPS Screen 8 STATOR TRIPS NON STATOR TRIPS Screen 9 1 G F HISET TRIPS G F LOSET TRIPS Screen 10 1 ACCELERATION TIME TRIPS Screen 11 START UNDER CURVE TRIPS Screen 12 1 START OVER CURVE TRIPS Screen 13 1 START CURVE TRIPS Screen 14 LEARNED START CURVE TRIPS Screen 15 t FAIL SHUNT TRIP TRIPS Screen 16 PHASE LOSS TRIP TRIPS Screen 17 1 TACH ACCEL TRIP TRIPS Screen 18 UN TRIPS ON TRIPS Screen 19 1 POWER FACTOR TRIPS Screen 20 f PHASE REVERSAL TRIPS Screen 21 LOW CONTROL VOLTAGE TRIPS Screen 22 t EXT INP 1 Screen 23 1 EXT INP 2 Screen 24 1 EXT INP 3 Screen 25 1 EXT INP 4 Screen 26 PRESS ENTER CLEAR STATISTICS LEVEL 2 Password required Page 72 Chapter 7 Maintenance and Troubleshooting The Soft Starter is designed to be a maintenance free product However as with all electronic equipment the unit sh
61. See Ramp Time 1 for description e Maximum Power Sets the maximum motor power the starter will allow during the acceleration As the motor begins to ramp the Maximum Power sets a limit SP2 5 Kick Start Used as an initial energy burst in applications with high friction loads e Kick Start Voltage The initial voltage as a percent of full voltage value that is needed to start the motor i e Breakaway or Initial Torque e Kick Start Time The time the initial torque boost is applied Page 41 SP2 6 Deceleration Allows the motor to gradually come to a soft stop e Start Deceleration Voltage Upon receiving a STOP command the output voltage initially drops to this voltage Represented as a percent of voltage value e Stop Deceleration Voltage The drop off point of the deceleration ramp Percent of voltage value The point at which the unit output drops to zero to end the deceleration e Deceleration Time The time to get to the stop Deceleration Voltage Set point value SP2 7 Timed Output Used with an AUX 5 8 relay When enabled and upon a start command it waits until the programmed time plus the run delayed time has expired The relay energizes and remains so until a stop command is received It de energizes upon receiving a stop command SP2 8 Run Delay Time Can be used with an AUX 5 8 relay The delay timer begins upon receipt of the start command The relay will then drop out when the time has expired SP2 9 At
62. Starts and Any Lockout Fault Display EVENT HISTORY Data includes cause of event time date voltage power factor and current for sp SS each phase and ground fault current at time of event METERING FUNCTIONS Motor Load Percent of FLA Current Data A B C Phase Current Avg Current Ground Fault O Thermal Data Remaining thermal register thermal capacity to start Start Data ee Time Avg Start Current Measured Capacity to start time since last RTD Data Option Temperature readings from up to 12 RTDs 6 stator RTDs Voltage Metering kW KVAR PF KWH SERIAL COMMUNICATIONS Protocol Modbus RTU Signal RS 485 RS 422 or RS232 Network Up to 247 devices per mode Functionality Full operation status view and programming via communications port OPERATOR INTERFACE LCD Readout Alpha numeric LCD display Keypad 8 function keys with tactile feedback Status Indicators 12 LEDs include Power Run Alarm Trip Aux Relays Remote Mount Capability Up to 1000 circuit feet from chassis Use twisted shielded wire amp power source CLOCK and MEMORY Operating Memory SRAM loaded from F RAM at initialization Factory Default Storage Flash Memory Customer Seitings and Status Non volatile F RAM no battery backup necessary Real Time Clock Lithium ion battery for clock memory onl Page 2 1 3 Reference Chart 1 9 4 1 29 2 3 2 4
63. This thermal information is retained in memory and is monitored for excesses in both value and rate of change Inputs are derived from current values imbalances and optional RTD measurements making it dynamic to all processes involving the motor The Soft Starter monitors these conditions separately during the Start and Run modes to provide proper thermal protection at all times 1 7 1 Start Mode overload protection is selectable using one of three methods e Basic Protection 12 data is accumulated and plotted based on an Overload Curve selected in programming This is programmed per NEMA Class 5 30 standard curves and is based on the Locked Rotor Current from the motor nameplate as programmed into the Soft Starter Measured Start Capacity The user enters a measured amount of thermal capacity from a pre selected successful start as a set point to the Thermal Register for the soft starter to follow Learned Curve Protection The user sets the soft starter to the LEARN mode and starts the motor under normal starting conditions The CPU then samples and records 100 data points during the start curve analyzes them and creates a graphical representation in memory The soft starter is then switched to Curve Follow protection mode and monitors motor performance against this curve This feature is especially useful in initial commissioning tests to record a base line performance sample In this case it is not necessarily used for motor protec
64. Time 5 sec 1 60 sec Timed Output Time Off 1 1000 sec Off SP2 7 Run Delay Time 1 Sec 1 30 sec Off SP2 8 At Speed Delay Time 1 Sec 1 30 sec Off SP2 9 Bypass Pull in Current 100 FLA 90 300 SP2 10 Page 29 5 1 3 Phase and Ground Settings Setpoint Page 3 Factory Setting Setpoint Security Page Level Description Default Section Imbalance Alarm Level 15 FLA 5 30 Off SP3 1 Imbalance Alarm Delay 1 5 sec 1 0 20 0 sec Imbalance Trip Level 20 5 30 Off SP3 2 Imbalance Trip Delay 2 0 sec 1 0 20 0 sec Undercurrent Alarm Level Off 10 90 95 Off SP3 3 Undercurrent Alarm Delay 2 0 sec 1 0 60 0 sec Overcurrent Alarm Level Off 100 300 Off SP34 Overcurrent Alarm Delay 2 0 sec 1 0 20 0 sec Overcurrent Trip Level Off 100 300 96 Off SP3 5 Overcurrent Trip Delay 2 0 sec 1 0 20 0 sec Phase Loss Trip Enabled Enabled or Disabled SP3 6 Phase Loss Trip Delay 0 1 sec 0 20 0 sec Phase Rotation Detection ABC ABC ACB or Disabled SP37 Phase Rotation Trip Delay 1 0 sec 1 0 20 0 sec Ground Fault Alarm Level Off 5 90 Off SP3 8 Ground Fault Alarm Delay 0 1 sec 0 1 20 0 sec Ground Fault Loset Trip Level Off 5 90 Off SP3 9 Ground Fault Loset Trip Delay 0 5 sec 0 1 20 sec 2 v Ground Fault Hiset Trip Level Off 5 90 95 Off SP3 10 9 8 Ground Fault Hiset Trip Delay 0 008 sec 0 008 0 250 sec i E Overv
65. Transient Voltage Protection RC snubber dv dt networks One per inverse pair of SCRs Enclosed units 0 to 40 C 32 to 104 F optional 20 to 50 C with heaters 5 95 relative humidity 0 3300 ft 1000m above sea level without de rating Ratings for ambient conditions external to unit Unit Running Overload Capacity Percent of motor FLA programmable short circuit Power Circuit SCR Peak Inverse Voltage Ratings Ambient Condition Design Control 2 or 3 wire 120VAC Customer supplied Multiple Form C Contacts rated 5 Amps 240VAC max Auxiliary Contacts 8 Relays 4 programmable Form C contacts Fault Indicator Form C contacts BIL Rating 60kV for 2 3 to 7 2 kV Class 110kV for 10 to 13 8kV Class Approvals UL recognized Canadian UL cUL recognized ADVA OTOR PRO o Stage Electro Starting Programmable for Class 5 through 30 Overload 2 Run Programmable for Class 5 through 30 when At Speed is detected Overload Rese Manual Overload circuit retains thermal condition of the motor regardless of control power status Unit uses real time clock to adjust for off time Overload will not reset until thermal capacity available in the motor is sufficient for a successful restart Starter learns and retains this information by monitoring previous successful starts Phase balance Imbalance Trip Level 5 3096 current between any two phases
66. Trip Level Off 0 240 32 464F Stator Phase B2 Off Same as Stator Phase A1 RTD 4 Description Stator B2 User defined Up to 15 Characters Stator Phase B2 Alarm Level Off 0 240C 32 464F Off Stator Phase B2 Trip Level Off 0 240C 32 464F Off Stator Phase C1 Type Off Same as Stator Phase A1 RTD 5 Description Stator C1 User defined Up to 15 Characters Stator Phase C1 Alarm Level Off 0 240C 32 464F Off Stator Phase C1 Trip Level Off 0 240C 32 464F Off Stator Phase C2 Type Off Same as Stator Phase A1 RTD 6 Description Stator C2 User defined Up to 15 Characters Stator Phase C2 Alarm Level Off 0 240C 32 464F Off Stator Phase C2 Trip Level Off 0 240C 32 464F Off SP9 4 End Bearing Type Off Same as Stator A1 RTD 7 Description End Bearing User defined Up to 15 Characters End Bearing Alarm Level Off 0 240C 32 464F Off End Bearing Trip Level Off 0 240C 32 464F Off Shaft Bearing Type Off Same as Stator Phase A1 RTD 8 Description Shaft Bearing Alarm Level Shaft Bearing Off User defined Up to 15 Characters 0 240C 32 464F Off Shaft Bearing Trip Level Off 0 240C 32 464F Off RTD 9 Type Off Same as Stator Phase A1 RTD 9 Description User defined User defined Up to 15 Characters RTD 9 Alarm Level Off 0 240C 32 464F Off RTD 9 Trip Level Off 0 240C 32 464F Off RTD 10 Type Off Same as Stator Phase A1 RTD 10 Description User defined User
67. also located on the CPU board See FIG 2 3 4 Main Board also referred to as the Firing Board contains the Auxiliary I O relays and interfaces to the TCB board see below for user interface This board generates all firing signals for the SCR stacks and receives feedback signals which are isolated via fiber optics The board also provides signal conditioning in preparation for analog to digital conversion See FIG 2 3 3 Page 8 1 9 2 Control Electronics are located in the Medium Voltage section of the soft starter They include the Gate Drive and Temp CT boards HAZARDOUS VOLTAGE Disconnect all power supplying this equipment prior to working on it Failure to follow this instruction will result in death or serious injury TCB Terminal and Control Board is the user connection interface board This board contains the user terminal blocks output relays duplicated inputs and control power connections It also contains additional timed relays for interfacing with Power Factor Correction contactors if used and other external devices Please note Power Factor Capacitor warnings in Section 2 1 also see FIG 2 2 1 Gate Drive Boards are located directly on the SCR stacks These boards connect to the Main Power board via fiber optic cables They amplify the gate pulse signals with power from the Ring Transformers to create the Sustained Pulse Firing of the SCRs There is one Gate Drive board for each pair of SC
68. at the power factor lead condition must exist beyond the window before a trip will occur SP3 18 Power Factor Lag Alarm Typically used to indicate a lagging power factor Power Factor Lag Alarm Delay The amount of time that the power factor lagging condition must exist beyond the window before an alarm occurs SP3 19 Power Factor Lag Trip The acceptable mount of power factor lag before a trip is generated Power Factor Lag Trip Delay The amount of time that the power factor lag condition must exist beyond the window before a trip will occur SP3 20 Power Demand Period The Soft Starter monitors the demand of the motor based on several parameters current kW kVA Monitoring the demand of the motor assist in the energy management program where processes can be altered or scheduled to reduce overall demand Demand is calculated by taking samples of the output current kW and kVA over a period of time then averaged and stored into memory Page 45 SP 4 Relay Assignment Setpoint Page 4 v PHASE REVERSAL 1ST TRIP Y A v UNDERCURRENT ALARM 1ST NONE OVERVOLTAGE TRIP 1ST TRIP MOTOR RUNNING 1ST AUX3 ALARM 1ST ALARM STATOR RTD ALARM 1ST NONE Security Level 2 MENU 0 DOWN ARROW 3 TIMES Page 4 Relay Assignment Range TRIP AUX1 1 ALARM AUX2 AUX3 AUX4 v O L TRIP 1ST TRIP ONLY
69. ating the number of starts per hour a decel curve should be counted as a start curve For example recommended number of starts per hour 6 allowable starts with decel cycle per hour 3 Note Do not exceed the motor manufacturer s recommended number of starts per hour 3 4 Sequence of Normal Operation It is best to operate the motor at its full load starting condition to achieve the proper time torque and ramp settings Initial settings are set to accommodate most motor conditions TRY INITIAL SETTINGS FIRST FOR Initial Voltage Current Limit Ramp Time See section 5 1 2 Set point Page 2 to make any adjustments If the Decel function is enabled related parameters may also need adjusting to achieve optimal Decel performance Sequence e Close the disconnect switch to apply 3 phase power Verify the power LED on the keypad comes on MOTOR STOPPED READY TO START e Activate the start command the motor should start accelerating and the RUN LED will come ON MOTOR STARTING OVERLOAD ALARM 00 x FLA TIME TO TRIP XXX SECS Page 23 Check If the motor decelerates or stops during the acceleration period activate the Stop button immediately Adjustments to the ramp time and or current limit setting are necessary to provide the motor sufficient energy to reach full speed If the unit does not follow this operational sequence please refer to the Troubleshooting Chapter If the motor does not enter
70. ay that can be programmed for primary protection of the motor load system Operation of the Soft Starter can be divided into 4 modes Ready Start Run and Stop 1 6 1 Ready Mode this mode control and line power are applied and the Starter is ready for a start command Protection during this mode includes the monitoring of current for leakage through multiple shorted SCRs or welded contacts on the Bypass Contactor Other protection features in effect are Starter Power Pole Temperature Shorted SCR Blown Fuse Indication Phase Reversal if enabled Line Frequency Trip Window External Input Faults Digital Input Faults are active in all modes Undervoltage Overvoltage Note The Programming Mode can only be entered from the Ready Mode Any attempt to enter data while the motor is starting or running will be blocked During programming all protection features and start command are disabled 1 6 2 Start Mode These additional protection functions are enabled when the Soft Starter receives a valid Start command Phase Reversal if enabled Phase Reversal will still be on and is not a newly activated feature when starting Start Curve Acceleration Timer Phase Imbalance Page 5 Short Circuit Load Pre check Toe in the Water Ground Fault Optional External Input Faults Accumulated Starting FLA Units 12t Protection Starting Overload Protection Curve Selection Thermal Capacity Note Shorted SCR protection is no lon
71. celerates to full speed or the Ramp Time expires and the Current Limit setting is reached If the motor accelerates to full speed before the ramp time has expired an automatic Anti Oscillation feature will override the remaining ramp time and full voltage will be applied This will prevent any surging or pulsation in the motor torque which might otherwise occur If the motor has not reached full speed at the end of the ramp time setting the current limit setting will proportionally regulate the maximum output torque CPU algorithms provide protection against a stall condition an overload condition or excessive acceleration time Page 4 The Current Limit feature is provided to accommodate installations where there is limited power available For example on site generator power or utility lines with limited capacity The torque is increased until the motor current reaches the pre set Current Limit value at which point it is then held Current Limit overrides the ramp time setting so if the motor has not accelerated to full speed under the Current Limit setting the current remains limited for as long as it takes the motor to accelerate to full speed When the motor reaches full speed and the current drops to running levels the soft starter detects an At Speed condition and automatically closes the Bypass Contactor The Bypass Contactor serves to shunt power around the SCR stack assemblies to prevent heat build up in the starter enclosure At this
72. cooling rate of the thermal register Running Cool Down Time The amount of time the motor needs to cool down while running Use only the data provided by the motor manufacturer Relay Measured Cool Rates When the RTD option is supplied the Soft Starter can be configured to use the measured cooling rates from the RTDs instead of the programmed settings This Setpoint should only be enabled when the RTD option is present Thermal Register Minimum Sets the value in the thermal register which represents a motor running at the nameplate current with no overheating or negative sequence currents present Motor Design Ambient Temperature Use the data from the motor manufacturer s specifications When RTD option is supplied this Setpoint will be the base point for the RTD biasing of the Thermal Register Motor Design Run Temperature Use the data from the motor manufacturer s specifications This Setpoint defines the operating temperature rise of the motor at full load amps or 100 load Motor Stator Max Temperature This represents the maximum temperature the stator insulation will withstand The user may choose to use the temperature setting of the insulation class selected in Setpoint Page 1 or enter a specific maximum temperature This value should not exceed the stator s insulation temperature This maximum temperature represents 10096 thermal capacity U B Input to Thermal Register Always enabled It allows the soft starter to use the lin
73. ded and at which point a trip occurs Overcurrent Trip Delay The amount of time the overcurrent condition must exist before a trip will occur Trip Delay Time vercurrent Trip Setting 250 FLA s Current Current Level Running Under a bon Normal Load B Time FIG SP3 5 Page 2 Phase amp Ground Settings IMBALANCE ALARM DELAY 1 5 SEC Range 1 0 20 0 SEC Increments of 0 1 2 IMBALANCE ALARM IMBALANCE TRIP LEVEL 15 FLA LEVEL 20 FLA IMBALANCE TRIP DELAY 2 0 SEC Increments of 1 of 1 Range 5 30 Range 5 30 Off Range 1 0 20 0 SEC Increments of 0 1 2 UNDERCURRENT LEVEL OFF Range 10 90 b Increments of1 of 1 UNDERCURRENT ALARM DELAY 2 0 SEC Increments of 0 1 J lt _ gt OVERCURRENT ALARM OVERCURRENT ALARM DELAY 2 0 SEC Range 100 300 Off Increments of 1 Range 1 0 20 0 SEC Increments of 0 1 P LEVEL OFF P OVERCURRENT TRI LEVEL OFF Range 100 300 Off OVERCURRENT TRIP DELAY 2 0 SEC Range 1 0 20 0 SEC Increments of 1 Increments of 0 1 PHASE LOSS TRIP PHASE LOSS TRIP DELAY 0 1 SEC ENABLED Options Enabled or Disabled P Range 1 0 20 0 SEC Increments of 0 1 PHASE ROTATION DETECTION
74. ded to use the power ramp ona 20 loaded motor Using the power ramp on an unloaded motor may result in shorter than anticipated acceleration times e The Ramp Time set point functions as all other ramp time set points and allows the user to define a time period during which the applied KW motor power will be increased linearly to the Maximum Power value set point The adjustment range is 1 to 120 seconds Once the Power Limit value is reached the system enters a constant power mode that regulates the applied motor power until the motor reaches full speed e The Maximum Power set point has an adjustment range of 0 300 and a default value of 80 Power Ramp Calculations The basic motor power value is derived from the line voltage and motor FLA using a unity power factor as a default This allows for approximation of the motor power rating without any other input data During the Power Ramp process the RMS line voltage RMS motor current and power factor are measured on a cycle by cycle basis and applied to the Power Ramp algorithm The CPU then calculates the True RMS motor power and will control the SCR firing to deliver the programmed power ramp values to the motor A Maximum Power Initial Power Power Ramp FIG SP2 4 Initial Power The Initial power set point allows the user to define an initial KW motor power value that will be applied to the motor at the beginning of the start sequence e Ramp Time 2
75. e SP11 2 Set Modbus Baud Rate Configures the Modbus communications baud rate SP11 3 Modbus Address Number Assigns a Modbus address to the unit SP11 4 Set Access Code Assigns an access code to the Modbus addressing This is typically not used SP11 5 Set Link Baud Rate Configures the RS422 communications baud rate between the keypad operator and the CPU board For applications with remote keypad only SP11 6 Remote Start Stop Allows the RS485 Modbus communications to start and stop the motor Contact factory for details MENU Page 11 SET FRONT BAUD SET MODBUS BAUD DOWN COMMUNICATIONS RATE 9 6 KB SEC RATE 9 6 KB SEC Ties 10 Range 2 4 4 8 9 6 Range 2 4 4 8 9 6 19 2 38 4 KB SEC 19 2 38 4 KB SEC MODBUS ADDRESS SET ACCESS CODE NUMBER 247 CODE 1 Range 1 247 Range 1 999 Increments of 1 Increments of 1 SET LINK BAUD RATE 9 6 KB SEC REMOTE START STOP DISABLED Range 2 4 4 8 9 6 19 2 38 4 KB SEC Option Enabled or Disabled SP 12 System Setpoints Setpoint Page 12 Security Level 3 5 12 1 Default Display Screen This Setpoint group allows the user to choose the default screen the Soft Starter displays while the motor is running Select the metering page number 1 3 then select the metering screen number The range varies depending on the selected page To display a default screen program the following two Setpoin
76. e current imbalance information to bias the Thermal Register Page 60 User Calculated K or Assign When the Setpoint is set to ON the soft starter will calculate the k constant factor for biasing the thermal register or the user may choose to assign the k value SP12 4 Press Enter to CLR Thermal Register Allows the level three password user to clear the thermal register for emergency restarts MENU Y DOWN ARROW 11 TIMES PAGE 12 SYSTEM SETPOINTS Number for display METERING DATA PAGE 1 Enter Metering Page 1 4 lt gt DEFAULT DISPLAY SCREEN Option Enabled Disabled RTD FAILURE ALARM ALARM DISABLED METERING DATA SCREEN 1 Enter Metering Screen Number for display ALARMS 1 17 THERMAL REGISTER SETUP INFORMATION IE PRESS ENTER TO CLR THERMAL REGISTER d ______ THERMAL REGISTER ALARM 90 Range Off 40 95 Increments of 1 4 COLD STALL TIME O L CLASS Range O L CLASS 4 40 SEC Increments of 1 HOT STALL TIME 1 2 O L CLASS Range 1 2 CLASS 4 405 Increments of 1 STOPPED COOL DOWN TIME 30 MIN Range 10 300 MIN Increments of 1 RUNNING COOL DOWN TIME 15 MIN Range 10 300 MIN Increments of 1 RELAY MEASURED COOL RATES DISABLED Option Enabled
77. ed for all gate drive and current feedback signal interfaces between the Medium and Low Voltage systems Page 7 1 9 Electronics The Soft Starter electronic systems are divided into two categories Low Voltage and Medium Voltage and are based on where they are located in the Starter structure 1 9 1 Low Voltage electronics include the Keypad Operator Interface the CPU and Main Power PC boards which are located in an isolated Low Voltage compartment of the enclosure e Keypad Operator Interface is a 2 line x 20 character LCD display with back lighting for low ambient light conditions The display reads out in truncated English and can show multiple data points in each screen Twelve LED indicators are included which show the status of Power RUN ALARM TRIP and the 8 AUX RELAYS The Operator communicates with the CPU board via a serial cable link and can be remotely located up to 1000ft from the starter FIG 1 9 shows the Keypad Operator Interface MENU RESET ENTER 10 50 20 60 30 70 40 80 AUX RELAYS FIG 1 9 Keypad Operator Interface CPU Board is where the microprocessor and communications co processor are located It is attached to the main Power board The CPU determines operating functions stores user programming acts upon feedback signals for faults and calculates metering and historical data The board communicates with the Keypad Operator Interface via a serial link cable Analog and Digital I O are
78. efer to the motor nameplate data or contact the motor manufacturer Acceleration Time Limit If the motor does not enter run mode reach at speed within the preset time the unit trips on acceleration time limit Number of Starts per hour If enabled this limits the maximum number of starts permitted per hour This Setpoint allows a maximum of 6 starts per hour Contact the motor manufacturer for further information regarding number of starts per hour Time Between Starts If enabled the soft starter prevents another start attempt until the programmed time has expired SP8 3 Area Under Curve Protection If enabled this secondary start protection uses both the basic start protection and the area under the curve protection Max I I T Start The maximum 121 allowed during start If the 12 to start exceeds this number then the Soft Starter will generate a trip SP8 4 Current Over Curve Learns the motor s starting characteristics and protects the motor based upon the learned curve It is useful when commissioning a new motor Learn The unit reads the motor s starting characteristics Start the motor and allow it to come to full speed The start feedback enables the motor protection based on the learned start curve Learned Start Curve Bias The maximum allowed deviation above or below the start curve before a trip is generated Time for sampling The time the soft starter continues to sample the start curve characteristic during lea
79. egister 11 y Screen 12 y STATOR PHASE C1 MAX TEMP SINCE Screen 5 26 Same as Screens 3 4 for RTDs 2 12 RTD 5 SER CLEAR 5 Screen 13 v Screen 14 Y Screen 27 OWS the user to clear the maximum STATOR PHASE C2 MAX TEMP SINCE temperature register upon entering the setpoint level 3 RTD 6 C F 4 CLEAR RTD 6 C password mem 1 Sereen i 1 END BEARING MAX TEMP SINCE Screen 28 Displays the measured run cool time in 7 C lt gt CLEAR 7 C minutes Screen 17 Y Screen 18 1 SHAFT BEARING lt gt MAX TEMP SINCE Screen 29 Displays the measured stopped cool time in RTD 8 HHH F CS yi minutes Screen 19 Y Screen 20 1 RTD 9 MAX TEMP SINCE RTD 9 C CLEAR RTD 9 C Screen 21 y Screen 22 I RTD 10 MAX TEMP SINCE RTD 10 C F CLEAR RTD 10 C A Screen 23 y Screen 24 RTD 11 lt gt TEMP SINCE RTD 11 C F CLEAR RTD 11 C Screen 25 y Screen 26 1 RTD 12 MAX TEMP SINCE RTD 12 C CLEAR RTD 12 C 27 Y PRESS ENTER TO CLEAR MAX TEMP REGS X Screen 28 y MEASURED RUN COOL TIME MIN Screen 29 y MEASURED STOPPED COOL TIME MIN Page 68 MP 4 Metering Metering Page 4 Displays the present status of the soft start Screen 1 Displays the present state of the unit as fo
80. entrifuge or a deep well pump when the motor capacity is barely adequate stall condition or overloading occurs or if other starting modes fail Since ramp times are set to minimum START RAMP 1 TYPE is set to either VOLTAGE or CURRENT Initial Torque Initial Voltage 1 or Initial Current 1 Sets the initial start point of either Voltage Ramp or the Current Ramp Every load requires some amount of torque to start from a standstill It is inefficient to begin ramping the motor from zero every time since between zero and the WK2 break away torque level no work is being performed The initial torque level should be set to provide enough torque to start rotating the motor shaft enabling a Soft Start and preventing torque shock damage Setting this start point too high will not damage the starter but may reduce or eliminate the soft start effect Ramp Time 1 Sets the maximum allowable time for ramping the initial voltage current torque or power setting to either of the following e The Current Limit setting when the motor is still accelerating e Full output voltage if the Current Limit is set to maximum e kW if Power Ramp is selected Increasing the ramp time softens the start process by gradually increasing the voltage current or power Ideally the ramp time should be set for the longest amount of time the application will allow without stalling the motor Some applications require a short ramp time due to the mechanics of the sys
81. equency trips and Imbalance trips Screen 7 Displays the number of overcurrent trips Screen 8 Displays the number of Stator and non Stator RTD Trips Screen 9 Displays the number of Ground Fault Hi and Lo Set trips Screen 10 Displays the number of acceleration time trips Screen 11 Displays the number of start under curve trips Screen 12 Displays the number start over curve trips Screen 13 Displays the number of I2T start curve trips Screen 14 Displays the number of learned start curve trips Screen 15 Displays the number of fail shunt trips Screen 16 Displays the number of phase loss trips Screen 17 Displays the number of tachometer acceleration trips Screen 18 Displays the number of undervoltage and overvoltage trips Screen 19 Displays the number of power factor trips Screen 20 Displays the number of phase reversal trips Screen 21 Displays the number of low control voltage trips Screen 22 Displays the number of external input 1 trips Screen 23 Displays the number of external input 2 trips Screen 24 Displays the number of external input 3 trips Screen 25 Displays the number of external input 4 trips Screen 26 Requires a Security Level 2 password to clear the statistics MENU v DOWN ARROW 6 TIMES METERING PAGE 7 STATISTICS Screen 1 v MWH TOTAL HHT Screen 2 f RUNNING HOURS TOTAL TIME HOURS
82. equired if emergency bypass is used N C dry contact input from the Bypass Contactor for at speed indication Output connected to the Bypass Contactor and energizes de energizes the Contactor Factory wired be Output connected to the Inline Isolation Contactor and energizes de energizes the Contactor Factory wired Page 14 2 2 3 Description of Jumper Selections and Functions Jumper Selection Jumper Time Delay Function Start Delay Seconds Jumper selects between seconds or cycles 1 60 of a second for the start delay when Cycles a Start command is received and when the CPU actually receives the start signal Default jumper setting is seconds Auxiliary Start Delay Seconds Jumper selects between seconds or cycles 1 60 of a second for the auxiliary start AUNO A3 Cycles delay when a Start command is received and when the CPU actually receives the start signal Default jumper setting is seconds PFC Contactor Delay Seconds Jumper selects between seconds or cycles 1 60 of a second for the delay when the Cycles Bypass Contactor closes to when the Power Factor Capacitors Contactor is activated Default jumper setting is seconds Motor Protection Jumper When this jumper is in place the CPU will be disabled during operation in the JP1 N A Emergency Bypass Mode In this case insure that there is an external means of overload protection When the jumper is removed the CPU w
83. ers Voltage is increased from a starting point Initial Torque to full voltage over an adjustable period of time Ramp Time To achieve Voltage Ramping select VOLTAGE for the START RAMP 1 TYPE Setpoint and set CURRENT LIMIT 1 Setpoint to 500 The maximum setting Since this is essentially Locked Rotor Current on most motors there is little or no Current Limit effect on the Ramp profile Jog Voltage Setting Voltage Ramp 1 Voltage New Start Command Jog Button Start Control Mode Held Setpoint changed from Jog to Start Ramp 1 Type Voltage FIG SP2 3 Example of Switching from Jog to Start Ramp 1 Type Voltage Voltage Ramping with Current Limit is the most used curve and is similar to voltage ramping however it adds an adjustable maximum current output Voltage is increased gradually until the setting of the Maximum Current Limit Setpoint is reached The output is held at this level until the motor accelerates to full speed This may be necessary in applications where the electrical power is limited Typical applications include portable or emergency generator supplies utility power near the end of a transmission line and utility starting power demand restrictions Note Using Current Limit will override the Ramp Time setting if necessary so use this feature when acceleration time is not critical To set Voltage Ramping with Current Limit select VOLTAGE for the START RAMP 1 Setpoint and set CURRENT LIMIT 1 Setpoint t
84. ger in effect once the soft starter goes into the Start Mode 1 6 3 Run Mode The soft starter enters the Run Mode when it reaches full output voltage and the motor current drops below the FLA setting motor nameplate FLA plus service factor for a pre determined period of time During the Run Mode these additional protection features are enabled Running Overload Protection Curve Selection Phase Loss Under Current Load Loss Over Current Electronic Shear Pin Jam Protection External Input Faults 1 6 4 Stop Mode Once a Stop command has been given the protection features change depending on which Stop Mode is selected e Decel Mode Retains all protection features of the Run Mode At the end of Decel the motor will be stopped and the protection features change as indicated below e Coast To Stop Mode Power is immediately removed from the motor and the Soft Starter returns to the Ready Mode Additional protection features activated when the stop command is given include o Coast Down Back Spin Timer o Starts per Hour o Time between Starts o External Input Faults 1 7 Thermal Overload Protection The Soft Starter plays an important role in the protection of your motor in that it monitors the motor for excessive thermal conditions due to starting running and ambient conditions The soft starter has a Dynamic Thermal Register system in the CPU that provides a mathematical representation of the thermal condition of the motor
85. he unit If you cannot avoid using capacitors across the power lines they must be located as far upstream as possible of the input line contactor In this situation an optional power factor correction PFC capacitor contactor should be specified For additional information and specifications or when di dt limiting inductors are factory installed please contact the factory Never interchange the input and output power connections on the unit This will cause excessive voltage to the control circuit logic For bus protection it is strongly recommended to use A HAZARDOUS VOLTAGE Disconnect all power supplying this equipment prior to working on it Failure to follow this instruction will result in death or serious injury A CAUTION SCR DAMAGE Do not connect PFC capacitors to the load side of the unit Doing so will cause DI DT damage to the SCRs when energized WARNING SAFETY HAZARD Do not bypass electrical or mechanical interlocks Failure to follow this instruction will cause severe equipment damage serious injury or death MOV Type lightning arrestors in areas where lightning is a significant problem The arrestors should be mounted on the nearest utility pole at the Station or optionally included with the unit at the time of order Medium Voltage cables can have significant capacitance values by design which can elevate Di Dt thru the SCRs to unsafe levels Co
86. ill be enabled to provide electronic motor protection when operating in the Emergency Bypass Mode DIP Switches Switch Function SWI ON Sets Dual Adjustment OFF Disabled SW2 Not Used Sets the SW3 SW4 and SW5 are 7 position DIP Switches that use binary coding to set the value SW3 Start Delay a of the time delay in Cycles or Seconds as selected via jumpers 1 to X6 See Jumper Table The setting range is 0 to 127 1 2 4 8 16 32 64 The example shown results in a value of 7 1 2 4 Sets the SWA AUX Start 64 3216 8 4 2 1 Value Delay Value 765 4 3 2 1 Position ON Sets the Un PFC ecl SN Contactor Ex Position feri x7 Delay Value Page 15 2 2 5 Description of LED Indicators Functions LED Indicators Function Location Color Function Fuse Blown D4 Red ON When a Fuse is blown and or a Disconnect is open Disconnect Fault D16 Red ON When any Fault has occurred Start D7 Yellow ON When a Start signal has been initiated PFC Timed Out D17 Yellow ON When the Power Factor Correction Capacitors Contactor is energized Delay Timed Out D15 Yellow ON When the Auxiliary Start Contacts have been energized 24V D28 Green ON 24V supply is good Page 16 2 3 PCB Layout Section THIS SECTION IS FOR REFERENCE ONLY NO FIELD WIRING OR CONNECTIONS ARE REQUIRED 2 3 1 Optional RTD Board
87. iring connections Troubleshoot and repair generator Generator Power Contact utility company Trip AUX1 Problem or grid change Main board failure Three phase power removed from Main Page 74 Problem Any Ground Fault Trip Motor Stopped during run Control circuit fuses blow after control power is applied Motor will not start Motor vibrates Motor growls while starting or extremely unbalanced motor currents run mode CPU LCD Display AUX LED Relay Possible Cause Solutions Improper programming Check Setpoint settings Any wire going to ground l e stator Check with megger or Hi pot motor Trip AUX1 ground motor ground leads and motor soft start ground High vibration or loose Check internal connections connections WARNING This is a serious fault condition Ensure that the fault condition Trip AUX1 is cleared on the load side before attempting to restart the motor Load shorted Remove power and repair Faulty main circuit board Replace the main circuit board Remove Power locate and Short in Control Circuit remove Apply the correct voltage to the Wrong Control Voltage control circuit No Control Voltage applied Apply control voltage to TCB to Control Board board Control Power Remove power and replace the Transformer failure or CPT power transformer
88. led Tach Ramp Time 20 sec 1 120 Tach Underspeed Trip PT 1650 RPM 0 3600 SP6 2 Tach Overspeed Trip PT 1850 RPM 0 3600 Tach Accel Trip Delay 1 sec 1 60 Off RPM 0 3600 Hottest Non Stator RTD Analog Output Motor Load 0 600 Kw SP6 3 Analog Output 1 4mA 0 0 65535 5 Analog Output 1 20mA 250 0 65535 8 Analog Output 2 Motor Load Same As Analog Input 1 5 9 Analog Output 2 4mA 0 0 65535 SP6 4 2 E Analog Output 2 20mA 1000 0 65535 28 22 User Programmable External d g Inputs TCB Fault Enabled User Defined up to 15 Characters 8 amp Name Ext Input 1 TCB Fault Normally Open or Closed TCB Fault Type NO 0 60 sec TCB Fault Time Delay 1 sec Enabled or Disabled External Input 2 Disabled User Defined up to 15 Characters Name Ext Input 2 NO Normally Open or Closed External Input 42 Type 0 sec 0 60 sec SP6 5 External Input 42 Time Delay Dual Ramp Enabled or Disabled or Dual Ramp Dual Ramp Dual Ramp User Defined up to 15 Characters Name Ext Input 3 NO Normally Open or Closed Dual Ramp Type 0 sec 0 60 sec Dual Ramp Time Delay Enabled Enabled or Disabled Thermostat Thermostat User Defined up to 15 Characters Name Ext Input 4 NC Normally Open or Closed Thermostat Type 1 sec 0 60 sec Page 32 5 1 7 Custom Acceleration Curve Setpoint Page 7 Setpoint Security Factory Setting Section
89. llows Screen 2 Displays the amount of time remaining before an overload trip will occur Screen 3 Displays the amount of time remaining from a thermal inhibit The inhibit time comes from the amount of thermal register remaining versus the amount of thermal capacity required to start Screen 4 Displays the coast down time remaining Backspin time The time remaining depends upon the user setting in Setpoint Page 8 Coast Down Time Screen 5 Displays the amount of time remaining before a start command can be given The time remaining depends upon the setting in Setpoint page 5 Screen 6 If the number of starts per hour has exceeded the setting in Setpoint page 8 NOTE Screen 1 CURRENT STATUS Screens include MOTOR STOPPED READY TO START MOTOR STARTING MULT OF FLA MOTOR RUNNING AT X FLA LAST TRIP CAUSE NONE or trip cause PROGRAMMING SETPOINTS MOTOR STATUS UNKNOWN STATE Displays relay state upon error MENU METERING PAGE 4 STATUS CURRENT STATUS O L TIME LEFT TO TRIP TRIP SEC Screen 3 1 THERM INH TIME LEFT Ht MIN Screen 4 1 COAST DOWN TIMER TIME LEFT MIN Screen 5 1 TIME BETWEEN STARTS TIME MIN Screen 6 1 STARTS PER HOUR TIME THE EHE THE EHE HH HH Page 69 MP 5 Metering Metering Page 5 Displays the present status
90. mpensating inductors can limit these values to safe levels Contact the factory if you need more information on this subject Page 10 2 2 Control Connections TCB Terminal and Control Board 2 2 1 TCB Board The TCB board FIG 2 2 1 shown below provides interconnections between the main power and CPU boards and the customer s control logic connections It is 120 VAC control board with several auxiliary dry contacts built in time delay circuits and an emergency bypass function It also controls the inline isolation and bypass contactor and provides provisions for shutdown interlocks See Section 2 2 2 for terminal designations and descriptions F1 Control fuse for TB1 1 9 Part No ACG1A250AC or equiv F2 Contactor and relay output fuse Part No ACG4A250AC or equiv F3 TB2 terminal 6 120VAC Input Part No ACG4A250AC or equiv 120 VAC Input Power Start Input Fuse Blown Input 4 Dual Ramp Input 4 Bypass Status Input Run Contacts AUX 3 Status To TCB Board Fault AUX 1 Status At Speed AUX 4 Status Blown Fuse and or Disconnect Interlock N O dry contact Input External Overload Protection Device N C dry contact Input At Speed N C dry contact Input Factory wired Energizes De energizes the Bypass Contactor Coil Energizes De energizes the Inline Isolation Contactor Coil 2 or 3 Wire Control Momentary or Relay Operates o
91. n Setpoint Page 5 Security Level 2 In Setpoint Page 5 the user can configure the four output relays as either fail safe or non fail safe and latching or non latching SP5 1 When a relay has been configured for Fail Safe and power is applied to the unit the relay will energize and its contacts will change state The relay will then de energize and its contacts revert back when an event occurs of if power is removed NOTE The relays in the soft starter will not prevent a start sequence unless they are wired in as interlocks If power is lost the motor power is also lost Do not change the programming for AUX 1 4 These are for factory use only AUX 5 8 are user defined outputs SP5 2 A relay configured as non latching will reset itself when the cause of the trip event is not continuous The TRIP AUX1 relay should always be programmed for latching because this trip should require a visual inspection of the motor and starter before issuing a manual reset to release the relay after a trip has been stored DOWN ARROW 4 TIMES MENU 5 elay Configuration Option Yes or No TRIP AUX1 RELAY FAIL SAFE NO TRIP AUX1 RELAY LATCHED YES ALARM AUX2 RELAY ALARM AUX2 RELAY FAIL SAFE NO LATCHED NO AUX 3 RELAY AUX3 RELAY FAIL SAFE
92. n Maintained Start immediate Start Stop Stop Switching supplied by customer N 120 VAC Control Input Power 6 6 6 6 6 6 6 6 6 6 6 O N Optional Interlock Factory installed Jumpers Normally closed dry contact input Emergency Stop Switch Control Power Output 120 VAC 200VA Relay changes state when the Emergency Bypass Switch is closed Emergency Bypass Switch Input 6 6 6 6 6 6 6 6 6Jo Relays Operate when any Fault condition occurs Relays Operate to indicate a Blown Fuse or that the Disconnect is open Relays Operate to pull Isolated Contactor to activate Power Factor Correction Capacitors Relays Operates with a f time delay when the Start Contact is initiated 120 VAC Power 6 6 6 6 6 6 6 9 6 6 60 6 OJO FIG 2 2 1 TCB Terminal and Control Board Page 11 2 2 2 Description of Terminal Connections TB1 Start Stop Control T Description 1 120 VAC Control Power Line 2 Shutdown Input Accepts customer N C dry contact Factory jumper installed 4 5 Shutdown Input Accepts customer N C dry contact Factory jumper installed A Terminal 6 7 amp 8 2 wire control is connected to pins 6 amp 8 Also For 3 wire control connect the N C STOP 8 NO button to pins 6 amp 7 and the N O
93. nge 0 100 Increments of 1 CURVE B CURRENT LIMIT 350 FLA Range 200 500 Increments of 10 CURVE C VOLTAGE CUSTOM CURVE C i Continued on next page LEVEL 1 25 Range 0 100 Increments of 1 CURVE C RAMP TIME 1 2 SEC Range 1 60 SEC Increments of 1 CURVE VOLTAGE LEVEL 2 30 Range 0 100 Increments of 1 CURVE RAMP TIME 2 2 SEC Range 1 60 SEC Increments of 1 CURVE VOLTAGE LEVEL 3 37 Range 0 100 Increments of 1 CURVE RAMP TIME 3 2 SEC Range 1 60 SEC Increments of 1 53 SP 7 Custom Acceleration Curve Setpoint Page 7 Continued Security Level 3 CUSTOM CURVE C Cont a Continued from prev page CURVE C VOLTAGE LEVEL 4 45 Range 0 100 Increments of 1 CURVE C RAMP TIME 4 2 SEC Range 1 60 SEC Increments of 1 CURVE VOLTAGE LEVEL 5 55 Range 0 100 Increments of 1 CURVE C RAMP TIME 5 2 SEC Range 1 60 SEC Increments of 1 CURVE C VOLTAGE LEVEL 6 67 Range 0 100 Increments of 1 CURVE C RAMP TIME 6 2 SEC Range 1 60 SEC Increments of 1 CURVE C VOLTAGE LEVEL 7 8296 Range 0 100 Increments of 1 CURVE C RAMP TIME 7 2 SEC Range 1 60 SEC Increments
94. ns DISABLED LEARN or ENABLED RUN CURVE LOCKED ROTOR TIME O L CLASS Range 1 30 SEC Class Increments of 1 COAST DOWN TIMER TIME DISABLED Range 1 60 MIN DISABLED Increments of 1 START CURVE LOCKED ROTOR TIME O L CLASS Range 1 30 SEC 3 Class Increments of 1 ACCELERATION TIME LIMIT 30 SEC Range 1 300 SEC DISABLED Increments of 1 NUMBER OF STARTS PER HOUR DISABLED Range 1 6 DISABLED Increments of TIME BETWEEN STARTS TIME 5 MIN Range 1 60 MIN DISABLED Increments of 1 START 368 FLA FLA SEC Range 1 2500 FLA Time Increments of 1 d RUN LOCKED ROTOR CURRENT 600 FLA Range 400 800 Increments of 1 START LOCKED ROTOR CURRENT 600 FLA Range 400 800 Increments of 10 LEARNED START CURVE BIAS 10 Range 5 40 Increments of 1 TIME FOR SAMPLING 30 SEC Range 400 800 Increments of 10 Page 55 SP8 2 Basic Start Overload Curve Start Curve Locked Rotor Time The locked rotor time can be set to the OL Class default chosen in Setpoint Page 1 or to a specific time The overload condition must exist for the programmed amount of time before a trip occurs Start Locked Rotor Current The current the motor draws with full voltage on the windings and no motor movement as a percent of motor FLA R
95. nts of 1 P F LAG TRIP DELAY 1 0 SEC Range 1 120 SEC Increments of 1 24 44 SP3 12 Overvoltage Trip Level Typically used to indicate that the line voltage is too high and at which point a trip occurs Overvoltage Trip Delay The amount of time that the overvoltage condition must exist before a trip will occur SP3 13 Undervoltage Alarm Level Typically used to indicate when the line voltage is too low This is an alarm level Undervoltage Alarm Delay The amount of time that the undervoltage condition must exist before an alarm occurs SP3 14 Undervoltage Trip Level Typically used to indicate that the line voltage is too low at which point a trip occurs Undervoltage Trip Delay The amount of time that the undervoltage condition must exist before a trip occurs SP3 15 Line Frequency Trip Window The acceptable amount of drift above or below the line frequency Hz before a trip is generated Line Frequency Trip Delay The amount of time that the frequency drift condition must exist beyond the window before a trip occurs SP3 16 Power Factor Lead Alarm Typically used to indicate a leading power factor Power Factor Lead Alarm Delay The amount of time that the power factor lead condition must exist beyond the window before an alarm occurs SP3 17 Power Factor Lead Trip The acceptable amount of power factor lead before a trip is generated Power Factor Lead Trip Delay The amount of time th
96. o a desired lower setting as determined by your application requirements Page 39 Start Ramp 1 Type Current Current Ramping Closed Loop Torque Ramping This method is used for smooth linear increase of output torque This ramp is only used on some conveyor systems long haul or down hill For other applications use Voltage Ramp or a custom Accel curve Output voltage is constantly updated to provide the linear current ramp and therefore the available torque is maximized at any given speed This is for applications where rapid changes in torque may result in load damage or equipment changes Typical applications include overland conveyors if belt stretching occurs fans and mixers if blade warping is a problem and material handling systems if stacked products fall over or break This feature can be used with or without the Maximum Current Limit setting To achieve Current Ramping select CURRENT for START RAMP 1 TYPE Setpoint and set the MAXIMUM CURRENT 1 Setpoint to the desired level Current Limit Only Current Step uses the Current Limit feature exclusively This method of starting eliminates the Soft Start voltage current ramp and instead maximizes the effective application of motor torque within the limits of the motor In this mode Setpoint RAMP TIME 1 is set to minimum so that the output current jumps to the current limit setting immediately Typically used with a limited power supply when starting a difficult load such as a c
97. oltage Alarm Level Off 5 30 Off SP3 11 Overvoltage Alarm Delay 1 0 sec 1 0 30 0 sec Overvoltage Trip Level 10 5 30 Off m 2 Overvoltage Trip Delay 2 0 sec 1 0 30 0 sec 8 Undervoltage Alarm Level Off 5 30 Off SP3 13 Undervoltage Alarm Delay 1 0 sec 1 0 30 0 sec Undervoltage Trip Level 15 5 30 Off SP3 14 Undervoltage Trip Delay 2 0 sec 1 0 30 0 sec Line Frequency Trip Window Disabled 0 6 Hz Disabled SP3 15 Line Frequency Trip Delay 1 0 sec 1 0 20 0 sec P F Lead P F Alarm Off 0 1 1 00 Off P F Lead Alarm Delay 1 0 sec 1 120 sec P F Lead P F Trip Off 01 1 00 Off P F Lead Trip Delay 1 0 sec 1 120 sec P F Lag P F Alarm Off 01 1 00 Off P F Lag Alarm Delay 1 0 sec 1 120 sec P F Lag P F Trip Off 01 1 00 Off SP3 19 P F Lag Trip Delay 1 0 sec 1 120 sec Power Demand Period 10 min 1 60 min KW Demand Alarm Pickup Off KW Off 1 100000 KVA Demand Alarm Pickup Off KVA Off 1 100000 SP3 20 KVAR Demand Alarm Pickup Off KVAR Off 1 100000 Amps Demand Alarm Pickup Off Amps Off 1 100000 Ground fault option must be installed Page 30 5 1 4 Relay Assignments Setpoint Page 4 Factory Setting Setpoint Security Page Level Description ist 2nd Section O L Trip Trip Only None None Trip Trip None None S C Trip Trip Only None None Overcurrent Tri
98. one U V Alarm Alarm None None O V Alarm Alarm None None Power Factor Alarm None None None KW Demand Alarm None None None KVA Demand Alarm None None None KVAR Demand Alarm None None None Amps Demand Alarm None None None Timed Output None None None Run Delay Time None None None At Speed AUX4 None None Ground fault option must be installed Page 31 5 1 5 Relay Configuration Setpoint Page 5 Security Setpoint Factory Setting Description Section Page Level Default Trip AUX1 Fail Safe No SP5 1 Trip AUX1 Relay Latched Yes SP5 2 Alarm AUX2 Fail Safe No SP5 1 Alarm AUX2 Relay Latched No SP5 2 E 3 AUX3 Relay Fail Safe No SP5 1 S 5 AUX3 Relay Latched No SP5 2 T 5 8 AUXA Relay Fail Safe No SP5 1 oe 52 AUX4 Relay Latched No SP5 2 E 8 5 AUX5 Relay Fail Safe No SP5 1 2 AUX5 Relay Latched No SP5 2 E AUX6 Relay Fail Safe No SP5 1 AUX6 Relay Latched No SP5 2 AUX7 Relay Fail Safe No SP5 1 AUX7 Relay Latched No SP5 2 AUX8 Relay Fail Safe No SP5 1 AUX8 Relay Latched No SP5 2 5 1 6 User Configuration Setpoint Page 6 Setpoint Security Description Factory Setting Section Page Level Default Tachometer Scale Selection Disabled Enabled or Disabled Manual Tach Scale 4 0 mA 0 RPM 0 3600 SP6 1 Manual Tach Scale 20 0 mA 2000 RPM 0 3600 Tach Accel Trip Mode Select Disabled Underspeed Overspeed or Disab
99. or the CPT Fuse failure fuse Start Circuit Wired Remove power and correct the Incorrectly start circuit wiring No Start Command Apply the start command Trip AUX1 No 3 Phase Line Voltage pd 3 phase line voltage to the Remove power and Test Shorted SCR in Starter SCR s Refer to Sec 7 1 1 for the testing procedure Remove power and repair the Faulty Control Logic Control Logic Replace the Main Circuit Board Board Faulty Motor Check the Motor and the Motor y connections Remove Power and perform the SCR device checks Trip AUX1 Remove Power and Test Cathode cris Refer to Sec 7 1 1 for the testing procedure Faulty Main Circuit Board Replace the Main Circuit Board m Troubleshoot and repair Alarm AUX2 Faulty Motor Wiring replace wiring Faulty Main Circuit Board Replace the Main Circuit Board Page 75 7 1 1 SCR Testing Procedure Perform the SCR Heat Sink Ohm test on each Stack Assembly Test Points OHM Meter Reading Gate Drive Board Red White White Red Test Results From Position A to Greater than 10K Ohm Pass Position B Less than 5K Ohm Fail From Position B to Greater than 10K Ohm Pass Position C Less than 5K Ohm Fail Gate G to Cathode K for each SCR 8 to 50 Ohms Less than 8 or greater than 50 Ohms Pass Typical 8 to 20 Ohms Fail Notes 1 Allow 15 minutes after shutdown for
100. ould be checked periodically for build up of dirt moisture or industrial contaminants These can cause high voltage arc over carbon tracking or prevent proper cooling of the SCR heat sinks All bolts should be checked annually for proper tightness using an accurate torque wrench According to the manufacturer s manual check the contactor for air gap spacing of the vacuum bottles Note If the unit is installed in a contaminated environment and forced air cooling is used blower filters must be checked and cleaned regularly to insure proper air flow and cooling of the enclosure 7 1 Failure Analysis When a fault occurs the LCD will display the fault error while the listed LED and AUX Relay will be lit Please clear all faults before attempting to restart the unit Note If the problem persists after the required programming changes have been made and all corrective action has been taken please contact the factory for assistance CPU LCD Display Problem One of the main fuses blows or circuit breaker opens when the power is applied or disconnect is closed Short Circuit Trip Single Phase Trip AUX for chassis units or over 104 ambient temperature for enclosed version LED Relay Possible Cause Solutions Short ie Locate and remove short inputs Remove power and test SCR s Trip AUX1 Faulty SCRs Refer to Section 7 1 1 for the SCR testing procedure
101. p Trip None None Stator RTD Trip None None None Non Stator RTD Trip None None None G F Hi Set Trip Trip None None G F Lo Set Trip Trip None None Phase Loss Trip Trip None None Accel Time Trip Trip Only None None Start Curve Trip Trip Only None None Over Frequency Trip None None None Under Frequency Trip Trip None None I I T Start Curve Trip None None None Learned Start Curve Trip None None Trip AUX1 Trip Only Alarm AUX2 Phase Reversal Trip None None AUX3 Overvoltage Trip Trip None None AUXA Undervoltage Trip Trip None None AUX5 8 Power Factor Trip None None None Only Available in 8 Relay Tach Accel Trip None None None System Inhibits Trip Alarm None None Notes 6 Shunt Trip None None None AUX1 to AUX4 are for 8 Bypass Discrepancy Trip Only None None Factory 2 Low Control Voltage Trip Only None None Use only Do not change Only AUX 5 8 are used 22 3 E TCB Fault Trip None None the 2nd amp 3rd relay 6 2 85 External Input 2 None None None assignments gt Dual Ramp None None None 2 8 Thermostat Trip None None O L Warning Alarm None None Overcurrent Alarm Alarm None None SCR Fail Shunt Alarm None None None Ground Fault Alarm Alarm None None Under Current Alarm None None None Motor Running AUX3 None None Alarm Alarm None None Stator RTD Alarm None None None Non Stator RTD Alarm None None None RTD Failure Alarm None None None Self Test Fail Trip None None Thermal Register Alarm None N
102. point the motor is operating at full voltage speed and power Other starting methods available in the soft starter are e Current Ramp Uses a closed loop current feedback algorithm to provide a linear current increase up to a Maximum Current level Constant Current current is immediately increased to the Current Limit point and held there until the motor reaches full speed Power KW Ramp Uses a True RMS KW feedback PID loop to provide a linear increase in True RMS motor power to a maximum set KW value Custom Curve Gives the user the ability to plot torque and time points on a graph The soft starter will then accelerate the motor following these points Tachometer Feedback Ramp uses a closed loop speed follower method monitoring a tachometer input signal from the motor or load shaft to provide a linear RPM acceleration 1 5 2 Deceleration The soft starter provides the user with the option of having the load coast to a stop or controlling the deceleration by slowly reducing the voltage to the motor upon initiating a stop command The Decel feature is the opposite of DC injection braking in that the motor will actually take longer to come to a stop than if allowed to coast to a stop The most common application for the Decel feature is pumping applications where a controlled stop prevents water hammer and mechanical damage to the system 1 6 General Protection The Soft Starter is provided with a built in motor protection rel
103. ress that energy is transformed into a Shock Wave that travels through the piping system looking for an outlet in which to dissipate The sound of that shock wave is referred to as Water Hammer and the energy in that shock wave can be extremely damaging to pipes fittings flanges seals and mounting systems By using the Soft Stop Deceleration feature of the soft starter the pump output torque is gradually and gently reduced which slowly reduces the pressure in the pipe When the Output Pressure is just slightly lower than the Head Pressure the flow slowly reverses and closes the Check Valve By this time there is very little energy left in the moving fluid and the Shock Wave is avoided When the output voltage to the motor is low enough to no longer be needed the soft starter will end the Decel cycle and turn itself off See FIG 3 3 Coasting Stop using Electro Mech starter ump V Check Valve Open 100 Acceleration Mode wu E A row Check Vv 5 i re jams eS EE Start Deceleration 1 lt lt 1 2 imi I Mode 1 gt Current Limit Check va 8 1 WAVE 2 i Stop Starting Torque cd Deceleration Pump Control Level Stop Voltage Mode ___ Soft Stop i 1 Level T Pum Check Valve WE ACCELERATION 5
104. rn mode Page 56 SP 9 RTD Option Configuration Setpoint Page 9 Security Level 3 Note The RTD is an option Contact factory for additional information The Soft Starter is available with an optional RTD card that provides 12 programmable RTDs which are individually programmable for type The available types are 100 ohm platinum 100 ohm nickel 120 ohm nickel and 10 ohm copper Each RTD can be identified with a description name of up to 15 characters including spacing Also each individual RTD has it own alarm and trip level SP9 1 Use NEMA Temp for RTD Value When this Setpoint is enabled the Soft Starter will use the NEMA design insulation class to limit the maximum allowed range of the alarm and trip level The maximum allowed temperature range is 240 C 464 F SP9 2 Number Of RTD S Used for Stator Up to six RTDs can be assigned to monitor the stator of the motor SP9 3 RTD Voting When this is enabled the Soft Starter will not post a trip until 2 RTD s have exceeded the trip level This prevents nuisance RTD tripping SP9 4 RTD Setup Each of the 12 RTDs is configured in the following manner The first column is the RTD type the second column is the RTD description the third column is the alarm level and the fourth column is the trip level The first six RTDs have been pre programmed with a description name for the STATOR with two RTDs per phase RTDs 1 amp 2 have been named STATOR PHASE A1 and A2 respec
105. rnal input 3 programmed for dual ramp If it is not needed disable the dual ramp External Input 4 These input screens are for the thermostat input and can be enabled or disabled Note It is recommended that this function remain enabled If the thermostat indicates an over temperature condition the controller will trip the motor Page 51 SP 7 Custom Acceleration Curve Setpoint Page 7 Security Level 3 SP7 1 Setpoint Page 7 allows the user to custom design the acceleration curve start curve for a specific application The custom design setup allows for up to three different curves in the Soft Starter Only one curve can be active enabled at any given time Each of the three curves allow for eight voltage plotting points with corresponding ramp times and a current limit setting Note Each successive voltage level must be programmed to a voltage level equal to or greater than the previous level All eight voltage levels must be programmed and the eighth level has been preset at 100 If Custom Accel Curve has been set to curve A C on this page the Soft Starter will override the Start Control Mode selected in Setpoint Page 2 even if Start Control Mode in Setpoint Page 2 has not been set to Custom Accel Curve MENU DOWN ARROW six times CURVE A VOLTAGE LEVEL 1 25 Increments of 1 CURVE RAMP TIME 1 2 SEC Range 1 60 SEC Increments of 1 4
106. s of 1 Range 1 0 30 0 SEC Increments of 0 1 UNDERVOLTAGE TRIP LEVEL 15 UNDERVOLTAGE TRIP DELAY 2 0 SEC Range 5 30 Off Increments of 1 P Range 1 0 30 0 SEC Increments of 0 1 J LINE FREQUENCY TRIP WINDOW DISABLED LINE FREQUENCY TRIP DELAY 1 0 SEC Range 0 6 Disabled Increments of 1 1 0 20 0 SEC Increments of 0 1 J POWER FACTOR LEAD P F ALARM OFF P F LEAD ALARM DELAY 1 SEC Range 01 1 00 Off Increments of 01 d Range 1 120 SEC Increments of 1 POWER FACTOR LEAD P F TRIP OFF Range 01 1 00 Off Increments of 01 P F LEAD TRIP DELAY 1 0 SEC Range 1 120 SEC Increments of 1 POWER FACTOR LAG P F ALARM OFF Range 01 1 00 Off Increments of 01 P F LAG ALARM DELAY 1 0 SEC Range 1 120 SEC Increments of 1 POWER FACTOR LAG P F TRIP OFF Range ABC ACB or Disabled POWER DEMAND PERIOD 10 MINUTES Game 1 60 Min Increments of 1 KW DEMAND ALARM PICKUP OFF KW Range Off 1 100000 Increments of 1 KVA DEMAND ALARM PICKUP OFF KVA Range Off 1 100000 Increments of 1 KVAR DEMAND ALARM PICKUP OFF KVAR Range Off 1 100000 Increments of 1 AMPS DEMAND ALARM PICKUP OFF AMPS Range Off 1 100000 Increme
107. se of power loss and repair Remove power and clean heatsink 2 coated with with high pressure air 80 100 psi max clean and dry air Verify that running current does not Overcurrent on unit ae Trip AUX1 exceed unit rating Environment temperature over 122 Place unit in environment E m 2 temperature less than 122 F for over 104 F ambient panel version or less than 104 F for enclosed version temperature for enclosed version Bypass failed to close Check bypass contactor and wiring Loss of 1 or more phases of power from Trip AUX1 utility or generated p power Blown power fuses Check for short circuits Improper programming Check motor nameplate versus Trip programmed parameters Possible load damage or jammed load Improper setting for Check motor currents Verify current limit setting Trip AUX1 motor load condition Damaged load Check for load failure Improper programming Check Setpoint settings Wrong position of disconnector breaker Check disconnect or open breaker Check internal connections Trip AUX1 close Reduce current limit setting Transformer too small saturation or sagging power supply transformer Unloaded motor Check load Improper programmin Check setpoint settings Trip AUX1 ED ai du i Unloaded motor Check load Failed CPU or Main Trip AUX1 Firing Board Contact factory Vibration Check internal w
108. successfully start the motor Screen 7 Displays the average time required to start Screen 8 Displays the average current during start Screen 9 Displays the measured 2 required to start the motor Screen 10 Displays the amount of time required to start the motor during the last successful start Page 66 MP 2 Metering Metering Page 2 Displays the soft starter statistical voltage metering information MENU Y METERING PAGE 2 VOLTAGE amp POWER DATA Vbc P F 4 IA IB IC GIF HERE E kW HHHH kVA fHHHHE THHHHE P F PEAK ON kW PEAK kVA fHHHHE PEAK ON PEAK ON AMPS PRESS ENTER CLEA DEMAND VALUES MWH USED PRESS ENTER CLEAR MWH VALUES Screen 1 Displays Phase A B C and Power Factor Note P F N A Motor stopped P F LG Lagging P F LD Leading Screen 2 Displays Phase A B C and Ground Fault Current Screen 3 Displays kW and kVA Screen 4 Displays kVAR and Power Factor Screen 5 Displays Peak On and kW demand Screen 6 Displays Peak On and kVA demand Screen 7 Displays Peak On and kVAR demand Screen 8
109. tem i e centrifugal pumps because pump problems can occur due to insufficient torque Current Limit Sets the maximum motor current the starter will allow during the acceleration As the motor begins to ramp the Current Limit feature sets a maximum at which the current draw is held Current Limit remains in effect until the following occurs 1 The motor reaches full speed Detected by the At Speed detection circuit or 2 The Overload Protection trips on Motor Thermal Overload Once the motor reaches full speed the Current Limit feature becomes inactive In the Voltage Ramp Profile the voltage output is increased until it reaches the Current Limit Ramp time is the maximum amount of time it takes for the voltage to increase until the Current Limit setting takes over The Current Ramp profile varies the output voltage to provide a linear increase in current up to the Maximum Current Setpoint value A closed loop feedback of motor current maintains the Current Ramp profile Page 40 SP2 4 Start Ramp 2 Type Please refer to Ramp 1 settings for Ramp 2 Type Voltage selection Start Ramp 2 Power The Power Ramp feature has three programmable set points Initial Power Ramp Time and Maximum Power initial Power set point allows the user to define an initial KW A CAUTION motor power value that will be applied to the motor when the start sequence is begun It has a range of 0 100 and default value of It is recommen
110. the factory with the Decel control feature disabled 3 3 1 Deceleration Applications Apply power and adjust the soft start before enabling or modifying the deceleration adjustments Both acceleration and deceleration adjustments should be made under normal load conditions The deceleration feature provides a slow decrease in the output voltage accomplishing a gentle decrease in motor torque during the stopping mode This is the OPPOSITE OF BRAKING in that it will take longer to come to a stop than if the starter were just turned off The primary use of this function is to reduce the sudden changes in pressure that are associated with Water Hammer and slamming of check valves with centrifugal pumps Decel control in pump applications is often referred to as Pump Control In a pump system liquid is being pushed uphill The force exerted by gravity on the column of liquid as it goes up hill is called the Head Pressure in the system The pump is sized to provide enough Output Pressure to overcome the Head Pressure and move the fluid up the pipe When the pump is turned off the Output Pressure rapidly drops to zero and the Head Pressure takes over to send the fluid back down the hill A Check Valve is normally used somewhere in the system to prevent this if necessary by only allowing the liquid to flow in one direction The kinetic energy in that moving fluid is suddenly trapped when the check valve slams closed Since fluids can t comp
111. tion Page 6 1 7 2 Run Mode overload protection is initiated when the soft starter determines that the motor is At Speed Overload Protection is initiated when the motor RMS current rises above a pick up point as determined by the motor nameplate FLA and service factor Run mode protection is provided by the CPU monitoring the Dynamic Thermal Register Data for the Dynamic Thermal Register is accumulated from 121 calculations and cooling rates A trip occurs when the register reaches 100 as determined by the selected Overload Protection Curve NEMA Class 5 30 standard curves and is based on the programmed Locked Rotor Current indicated on the motor nameplate The Dynamic Thermal Register is altered or biased by the following conditions Current Imbalance will bias the register higher due to additional motor heating as a result of a line current imbalance condition Normal Cooling is provided when the motor current drops below the overload pick up point or the motor is off line The Cooling rate is lower for motors that are off line such as after a trip since cooling fans are also inoperative RTD Input Requires the optional RTD monitor card provides a separate means of motor protection based on actual temperatures measurements inside the motor It runs independently of the Thermal Register Model and does not provide input to or bias that model Dynamic Reset is another feature that adds reliability and consistency to
112. tively RTDs 3 amp 4 are named STATOR PHASE B1 and B2 RTDs 5 amp 6 are named STATOR PHASE C1 and C2 If other description names are required press the right arrow button from the RTD Type screen to go the RTD description screen If no alarm or trip level is required these Setpoints can be turned off RTD Available Settings RTD TYPE e 120 OHM NICKEL NI e 100 OHM NICKEL NI e 10 OHM COPPER CU e 100 OHM PLATINUM e OFF ALARM LEVEL OFF or 0 240C 32 464F Example C F Increments of 1 RTD DESCRIPTION STATOR 1 STATOR 2 STATOR B1 STATOR B2 STATOR C1 STATOR C2 FRONT BEARING BACK BEARING BEARING BOX AMBIENT NONE Page 57 SP 9 RTD Option Configuration Setpoint Page 9 Continued Security Level 3 MENU DOWN ARROW 8 TIMES Page 9 RTD CONFIGURATION Options ENABLED or DISABLED OF RTD S USED FOR STATOR 4 Range 0 6 Increments of 1 RTD VOTING DISABLED Options ENABLED or DISABLED STATOR PHASE A1 RANGES OFF Increments AMBIENT 120 OHM NICKEL N 100 OHM NICKEL N 10 OHM COPPER 100 OHM PLATINUM U PT of 1 NONE OFF or 0 240C 32 464F Example C F STATOR A1 STATOR A2 STATOR B1 STATOR B2 STATOR C1 STATOR C2 FRONT BEARING BACK BEARING BEARING BOX gt RTD 1 DESCRIPTION STATOR PHASE m STATOR PHASE A1
113. to toggle the screens between the Setpoint Menu and the Metering Menu Simply use Page 9 the arrow keys to get to the different screens within each RTD Configuration menu LEVEL3 Example To access Setpoint Page 3 PHASE amp GROUND SETTINGS press the MENU key once and Page 10 the DOWN ARROW twice Security Set Password 2 Levels 1 2 and 3 indicate password protection levels for these setpoint pages Page 11 Communications Page 12 System Setpoints Y Page 13 Calibration amp Service FACTORY LEVEL Page 27 4 2 1 Password Access Screens in Level 1 of the set point menu can be changed without password access because they list basic motor information Screens in Levels 2 and 3 require passwords because they provide more in depth protection and control of the unit The password in Levels 2 and 3 can be changed by the user Note Set Points can only be changed when the motor is in Stop Ready Mode The soft starter will not allow a Start if it is still in the Edit Mode When the unit is in the Edit Mode an asterisk is displayed in the top right corner screen 4 2 2 Changing Set Points Example 1 Changing Motor FLA from 140 AMPS to 142 AMPS 4 Press MENU button to display Set point Page 1 Basic Configuration Press the RIGHT ARROW you will view the screen Motor Full Load Amps Press the ENTER button for edit mode Note The asterisk in the top right corner of the L
114. ts Metering Data Page Range is Page 1 3 Metering Data Screen If Page 1 is selected as the default page then Screens 1 10 are available If Page 2 Screens 1 29 are available If Page 3 is selected then Screens 1 6 are available See Metering Menu MP 1 for screen number assignment SP12 2 Alarms Configures the RTD failure alarm when RTD option is included and the thermal register alarm RTD Failure Alarm If enabled and an RTD shorts or open an alarm occurs Only if RTD option is installed Thermal Register Alarm Sets a level in the thermal register to generate an alarm when the Thermal Register Capacity Used has exceeded this level Thermal Alarm Delay The amount of time that the Thermal Register Used must exceed the Setpoint before an alarm condition will occur SP12 3 Thermal Register Setup Information This Setpoint group will configure the thermal register and indicate to the soft starter which inputs to use when thermal modeling Cold Stall Time Enter the time from the motor manufacturer s specification sheet or use the time defined by the OL Class This Setpoint is used to define the thermal capacity of the motor Hot Stall Time Enter the amount of time specified by the motor manufacturer or use half of the time defined by the OL Class Stopped Cool Down Time The time the motor needs to cool down after it has stopped Use only the data provided by the motor manufacturer This Setpoint is used to configure the
115. ures include Auto Synchronizing of the gate timing pulses match each phase firing angle to their respective phases The Soft Starter actively tracks minor shifts in the line frequency avoiding nuisance tripping that may happen with conventional gate firing systems This is especially useful on portable or backup generator supplies allowing the soft starter to be used confidently in applications that have unstable power Sustained Pulse firing keeps the firing signal active for 270 electrical degrees ensuring that the DC gate pulse forces the SCR to fire even if line noise is present This provides the Soft Starter with superior noise immunity and protects against misfiring enhancing the soft starter system stability e Closed Loop Firing Control is method of balancing the SCR firing pattern The CPU uses feedback signals from the output current and voltage providing to provide smooth output preventing imbalances during ramping which prevents unnecessary motor heating Transformer Isolation of SCR firing information and signals prevents interference from line noise and EMI RFI that may be present Three phase isolation transformers provide potential measurement firing board timing while providing isolation from the line voltage High isolation Ring Transformers are used to step the 120v control voltage down to 28VAC for the Sustained Pulse firing circuit providing further isolation for the SCR gates Fiber Optic Isolation is provid
116. y Tel 39 0542 489711 Fax 39 0542 489722 santerno com ASAMV 2 3 13 8kV Class Table of Contents PAGE Chapter 1 Introduction eo e heeded ee ue 1 aeu M P 1 pesce TC 1 2 1 3 Reference Ghari oet ores hee cate 3 14 Design ce 4 1 5 Theory Of Operation edet e De sere epa eE os thet se 4 5 1 6 General Protection Hr 5 6 1 7 Thermal Overload Protection se stent 6 a WU cos re ecc waa 7 1 9 VSG OPM CN 8 Fig 1 9 22 20 dE det eed re rae 8 Chapter 2 Connecllons roseo ERR o p IRE D REED RN ee MEE 10 2 1 WY ARVIN rr RE 10 2 2 erg EGTe sores S 11 2 2 1 TGB LES 10 Fig 2 2 1 TCB Terminal and Control 9 10 2 2 2 Description of Terminal 20 44440444444 12 14 2 2 3 Description of Jumper Selections and 15 2 2 4 Description of Switch Settings and 15 2 2 5 Description of LED Indicator

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