Page 3 - SAFETy; IMPORTANT MESSAGES; Read this manual and follow its intructions.; Signal words such as DANGER, WARNING; NOTE; READ SAFETy SIGNS; To avoid injury, you must read and follow all safety signs.; QUALIFIED OPERATORS ONLy; A qualified person must:; Be trained in rendering first aid.; The terms of which are set forth at the end of this manual.; DANGER
SAFETy IMPORTANT MESSAGES Read this manual and follow its intructions. Signal words such as DANGER, WARNING and CAUTION will be followed by important safety information that must be carefully reviewed. Indicates a situation which will result in death, serious injury, and severe property damage if yo...
Page 4 - SAFETy CODES; provided in this manual.; user directions that are contained in this Instruction Manual.; Toshiba International Corporation
SAFETy SAFETy CODES Toshiba motor control is designed and built in accordance with the latest applicable provisions of NEMA and the National Electrical Code. Installations must comply with all applicable state and local codes, adhere to all applicable National Electric Code (NFPA 70) standards and i...
Page 6 - Reference Chart
Page 7 - Chapter 1 - Introduction; This chapter is an introduction to the Toshiba
JKSSS+ Series - 1 JKSSS+ Series 2.3 - 4.2KV Chapter 1 - Introduction This chapter is an introduction to the Toshiba JKSSS+ Series reduced voltage solid state starter for medium voltage AC motors. It describes the basic configuration, operation and unit features. It is highly recommended that new use...
Page 11 - Structure and Power Bus; Bus Compartment
JKSSS+ Series - 5 JKSSS+ Series 2.3 - 4.2KV • Contactors: Vacuum contactors are provided for both In-Line Isolation and SCR Bypass. The contactor voltage ratings are: 7.2kV for 2300 - 6900V units. A sequencing feature controls the contactors. Under normal operating conditions this ensures that both ...
Page 12 - Seismic Qualifications:; Theory of Operation; Voltage Ramp
JKSSS+ Series - 6 JKSSS+ Series 2.3 - 4.2KV Removable conduit entry plates are provided in the bottom of the enclosure tofacilitate drilling and punching of conduit holes without exposing the equip-ment to contamination from metal debris. • Enclosure Finish: The enclosure is suitable for use in nonc...
Page 13 - Tachometer Feedback Ramp:; opposite of DC injection braking
JKSSS+ Series - 7 JKSSS+ Series 2.3 - 4.2KV until one of three things happen: the motor accelerates to full speed, the Ramp Time expires or a Current Limit setting is reached. If the motor accelerates to full speed before the ramp time setting has expired, an automatic Anti-Oscillation feature will ...
Page 14 - General Protection; Run Mode; and; Stop Mode
JKSSS+ Series - 8 JKSSS+ Series 2.3 - 4.2KV 1.6 General Protection The soft starter is provided with a built-in motor protection relay that can beprogrammed for primary protection of the motor/load system. Operation of the softstarter can be divided into 4 modes; Ready, Start, Run and Stop. Ready Mo...
Page 15 - Thermal Overload Protection; Start Mode overload protection
JKSSS+ Series - 9 JKSSS+ Series 2.3 - 4.2KV · 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: · Coast-Down / Back Spin Timer · Starts-per-Hour · Time Betwe...
Page 17 - The; Low Voltage; where the microprocessor and communications coprocessor; Control Electronics; are located in the medium voltage and low voltage sections of; TCB; is the user connection interface board. It
JKSSS+ Series - 11 JKSSS+ Series 2.3 - 4.2KV 1.9 Electronics The JKSSS+ Series electronics systems are divided into two categories, Low Voltage and Medium Voltage, based solely on where they are located in the starter structure. Low Voltage electronics include the Keypad Operator Interface, CPU and ...
Page 18 - Chapter 2 - Installation; or “JK Series 720 Ampere Medium; Controllers”, manual number; Upon receipt of the equipment, do the following:
JKSSS+ Series - 12 JKSSS+ Series 2.3 - 4.2KV Chapter 2 - Installation For additional information on the equipment, refer to the following additional instruction manuals: For fi xed type input isolation contactor - “JK Series Medium Voltage Controllers - Fixed Type”, manual number VF010H03 or “JK Ser...
Page 22 - WIRING CHECK; secured to withstand the effects of fault current.; DEVICE/MECHANISM CHECKS; WARNING
JKSSS+ Series - 16 JKSSS+ Series 2.3 - 4.2KV There is a rating data label on the inside of each medium voltage compartment door. Verify that the controller ratings properly match the system data by checking the follow - ing: 1. Verify agreement of full load current, locked rotor current and accelera...
Page 24 - not; This will cause di/dt damage to the; Connections; cable used should be observed.; CAUTION; Bolt
JKSSS+ Series - 18 JKSSS+ Series 2.3 - 4.2KV Torque Specs for MV Power Connections 2.8 - Warnings & Cautions This section involves working with potentially lethal voltage levels! Use extreme caution to prevent injury. Pressing “Stop” push button does not remove AC mains potential. Do not service...
Page 27 - a grounded or ungrounded system:; Fig. 7 Ground Bus Splice
JKSSS+ Series - 21 JKSSS+ Series 2.3 - 4.2KV Controller used as service equipment for an ungrounded system or as a main section for a separately derived system. a. A grounding electrode conductor (ground wire) sized in accordance with NEC 250 should be run from the grounding electrode to the control...
Page 28 - This will cause severe equipment; B O AR D; T C B
JKSSS+ Series - 22 JKSSS+ Series 2.3 - 4.2KV 2.10 Control Connections - TCB (Terminal and Control Board) THIS SECTION INVOLVES POTENTIALLy LETHAL VOLTAGE LEVELS! USE ExTREME CAUTION TO PREVENT INjURy. Do not bypass the electrical or mechanical interlocks. This will cause severe equipment damage and ...
Page 29 - OVERLOAD PROTECTION LOSS
JKSSS+ Series - 23 JKSSS+ Series 2.3 - 4.2KV TB3 #1C #12NC #11 NO #10C #7C #8NO #9NC #6NC #5NO #4C #3NC #2NO TB2 #1NO #10NC #7N #8C #9NO #6S #5NC #4NO INTER LOCK #3C EMER BYP SWITCH CUST. POWER OUTPUT DELAYED START #2O Emergency Bypass Control - Terminal Block 2 (TB2): • Positions 1 and 2 are for an...
Page 30 - energizes and de-energizes the contactor.; LEDs provided on the TCB board (for low voltage testing only):; below for instructions on setting the actual delay time.; Power Factor Correction (PFC) Capacitor Contactor Delay; enabled; Switch settings are cumulative.
JKSSS+ Series - 24 JKSSS+ Series 2.3 - 4.2KV • Positions 5 and 6 accept dry, normally closed contact from the bypass contac - tor for an At Speed indication. (Factory wired) • Positions 7 and 8 are wired to the coil of the bypass contactor and energizes and de-energizes the contactor. (Factory wired...
Page 31 - Reference Section; Typical RTD
JKSSS+ Series - 25 JKSSS+ Series 2.3 - 4.2KV 2.11 Reference Section 2.11a RTD Board RTD1 RTD Typical RTD Installation Signal Compensation Powe r RTD2 RTD3 RTD4 RTD5 RTD6 RTD7 RTD8 RTD9 RTD10 RTD11 RTD12 Shield
Page 32 - REAR
JKSSS+ Series - 26 JKSSS+ Series 2.3 - 4.2KV 2.11b Communications Board RS422 Connections (Factory Only) RS485 Connections (Customer Connections) 2.11c Communications Board Connections (RS485) (RS422) Note: Remove for last unit in modbus string REAR VIEW
Page 33 - e Power Board Connections
JKSSS+ Series - 27 JKSSS+ Series 2.3 - 4.2KV 2.11d Power Board 19 Board Ground Test Points 20 1 2 J5 7 1 J3 7 1 J4 19 20 1 2 J6 3 1 J1 7 7, A - Phase 4, B - Phase 1, C - Phase 1 6 1 J2 J2 F1 TB3 TB2 TB1 J8 C2 B2 A2 C1 B1 A1 1 3 J7 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 GF ...
Page 34 - f CPU Board Connections
JKSSS+ Series - 28 JKSSS+ Series 2.3 - 4.2KV 2.11f CPU Board Connections 1 2 4 3 5 6 7 8 9 + TB1 - + - + - 1 2 4 3 5 6 7 8 + TB3 - TCB Fault + - UV -P Rotation + - Dual Ram p + - Thermostat TB2 + - 1 2 4 3 5 6 7 8 T ach Inpu t Analog Output #1 4 - 20 mA Analog Output #2 4 - 20 mA Program Enable Inpu...
Page 35 - It is necessary to connect the line power to L1, L2 and L3, or the “Phase; TRy INITIAL SETTINGS FIRST.; Acceleration Adjustments; point or full voltage if the current limit point was not reached.
JKSSS+ Series - 29 JKSSS+ Series 2.3 - 4.2KV THE JKSSS+ UNIT DEALS WITH POTENTIALLy LETHAL VOLTAGE LEVELS. yOU MUST BE CERTAIN THAT PERSONNEL ARE THOROUGHLy TRAINED IN THE APPLICABLE SAFETy PRECAUTIONS BEFORE PROCEEDING WITH THIS SECTION! 3.1 Preliminary Start-Up Check List Please make the following...
Page 36 - OPPOSITE OF BRAKING
JKSSS+ Series - 30 JKSSS+ Series 2.3 - 4.2KV 3.3.3 Current Limit Factory Setting = 350% of unit FLA Range = 200% - 500% of unit FLA The current limit adjustment is factory set for 350% of the unit’s rating. The range of adjustment is 200% to 500%. The main function of cur - rent limit is to cap the ...
Page 37 - DO NOT ExCEED THE MOTOR MANUFACTURER’S RECOMMENDED; Sequence of Normal Operation; • Apply control power and check that the “Power” LED comes on. (Display 1)
JKSSS+ Series - 31 JKSSS+ Series 2.3 - 4.2KV 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. Another common application for decel control is on material handling conveyors as a means to p...
Page 38 - Emergency Bypass Operation; IN THE EMERGENCy ByPASS MODE, THERE IS NO; Display 1; HAZARDOUS OPERATION
JKSSS+ Series - 32 JKSSS+ Series 2.3 - 4.2KV • When the motor reaches full speed, the “AUX4” LED (At Speed) will be lit. • The POWER, RUN, AUX3 LEDs will be lit, indicating that the contact has energized. IA, IB, IC will display the current setting for Phase A, Phase B, and Phase C and the G/F indic...
Page 39 - Chapter 4 - User Interface & Menu Navigation; programming features; Button
JKSSS+ Series - 33 JKSSS+ Series 2.3 - 4.2KV Chapter 4 - User Interface & Menu Navigation This chapter explains the keypad operator interface, the LCD descriptions and the programming features 4.1 Keypad/Operator Interface The user keypad/ keypad operator interface consists of: • 2 row by 20 cha...
Page 40 - MENU; LEVEL 1
JKSSS+ Series - 34 JKSSS+ Series 2.3 - 4.2KV 4.2 Menu Navigation Notes: 1. The MENU keys allow you to toggle the screens between the Setpoint Menu and the Metering Menu. Simply use the arrow keys to get to the different screens within each menu. Example: To access Setpoint Page 3: PHASE & GROUND...
Page 41 - Example 1: Changing Motor FLA; B. Press the RIGHT ARROW you will view the screen Motor Full Load
JKSSS+ Series - 35 JKSSS+ Series 2.3 - 4.2KV 4.2.1 Password Access Screens in Level 1 of the setpoint 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 un...
Page 42 - Setpoints Page List; Chapter 5 - Setpoint Programming
JKSSS+ Series - 36 JKSSS+ Series 2.3 - 4.2KV 5.1 Setpoints Page List These charts list the Setpoint Page, the programmable functions and the section. 5 .1.1 Basic Configuration (Setpoint Page1) 5.1.2 Starter Configuration (Setpoint Page 2) Chapter 5 - Setpoint Programming The JKSSS+ Series has thirt...
Page 57 - a start command, a trip will occur if it detects a; motor (within milliseconds) upon detecting a high; • Overvoltage Alarm Delay:
JKSSS+ Series - 51 JKSSS+ Series 2.3 - 4.2KV SP.3 Phase & Ground Settings (Setpoint Page 3) SP3.5 Overcurrent Trip Level : Typically used to indicate the motor is severely overloaded and at which point a trip occurs. • Overcurrent Trip Delay: The amount of time the overcurrent condition must exi...
Page 60 - The following is a list of the user programmable functions.; FUNCTIONS
JKSSS+ Series - 54 JKSSS+ Series 2.3 - 4.2KV SP.4 Relay Assignment (Setpoint Page 4) (Security Level: 2) The protection functions are user programmable to an output relay. Factory setting for the trip functions assigned to TRIP (AUX1) relay and alarm functions to ALARM (AUX2) relay. AUX1 - 4 are Fac...
Page 64 - SP6.5 User Programmable External Inputs
JKSSS+ Series - 58 JKSSS+ Series 2.3 - 4.2KV SP.6 User I/O Configuration (Setpoint Page 6) (Security Level: 2) 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 ...
Page 71 - SP10.2 Set Level 3 Password
JKSSS+ Series - 65 JKSSS+ Series 2.3 - 4.2KV 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 co...
Page 75 - SP13.3 Press Enter to Access Factory Settings:
JKSSS+ Series - 69 JKSSS+ Series 2.3 - 4.2KV SP.13 Calibration & Service (Setpoint Page 13) (Security Level: Factory Use Only) SP.13 Calibration & Service (Setpoint Page 13) Certain screens are displayed for user information only, such as: Current date and time, Model number and Firmware rev...
Page 76 - Metering Page List; applicable section of the manual is also referenced.; Chapter 6 - Metering Pages; information about the motor and the
JKSSS+ Series - 70 JKSSS+ Series 2.3 - 4.2KV 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 & Data (Metering Page 1) Chapter 6 - Metering Pages The soft starter ...
Page 78 - and follow the arrow keys to get to different screens.
JKSSS+ Series - 72 JKSSS+ Series 2.3 - 4.2KV 6.2 Metering Menu 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 1CURRENT METERED DATA METERING PAGE 2VOLTAGE & POWER DATA METERING PAGE 3 RTD VALUE...
Page 81 - Allows the user to clear the maximum
JKSSS+ Series - 75 JKSSS+ Series 2.3 - 4.2KV HOTTEST STATORRTD#: # @ ### C HOTTEST NON-STATORRTD#: # @ ### C STATOR PHASE C1RTD #5: ### C = ### F STATOR PHASE C2RTD #6: ### C = ### F MAX TEMP SINCECLEAR RTD #5: ### C MAX TEMP SINCECLEAR RTD #6: ### C END BEARINGRTD #7: ### C = ### F SHAFT BEARINGRTD...
Page 82 - Screen 2; CURRENT STATUS Screens include:
JKSSS+ Series - 76 JKSSS+ Series 2.3 - 4.2KV MP.4 Status (Metering Page 4) Displays the present status of the soft start. Screen 1: Displays the present state of the unit as follows: Screen 2: Displays the amount of time remaining before an overload trip will occur. Screen 3: Displays the amount of ...
Page 83 - Screen 1
JKSSS+ Series - 77 JKSSS+ Series 2.3 - 4.2KV MP.5 Event Recorder - 60 Events (Metering Page 5) The events are listed from oldest to most recent. Screen 1: Displays the event (i.e. Imbalance Trip) with the date and time it occurred. Screen 1a: Displays the current of Phase A, B, C and the ground faul...
Page 84 - temperature at the time of the trip.
JKSSS+ Series - 78 JKSSS+ Series 2.3 - 4.2KV MP.6 Last Trip (Metering Page 6) Displays the information regarding the last trip. 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, Vca and power factor ...
Page 86 - Chapter 7 - Maintenance and Troubleshooting; contactor for air gap spacing of the vacuum bottles.
JKSSS+ Series - 80 JKSSS+ Series 2.3 - 4.2KV Chapter 7 - Maintenance and Troubleshooting The soft starter is designed to be a maintenance-free product. However, as with all electronic equipment, the unit should be checked periodically for dirt, moisture or industrial contaminants. These can cause hi...
Page 88 - Perform the SCR Heat Sink Ohm test on each Stack Assembly.; Gate Drive; Pass
JKSSS+ Series - 82 JKSSS+ Series 2.3 - 4.2KV 7.1.1 - SCR Testing Procedure Perform the SCR Heat Sink Ohm test on each Stack Assembly. A B C Note: Allow 15 minutes after shutdown for DV/DT network to discharge DC voltage. Gate Drive Board K = Cathode = Red Wire G = Gate = White Wire Problem CPU LCD D...
Page 91 - Time Delay; BOARD; Lock Ou; Faul; Customer Provided
JKSSS+ Series - 85 JKSSS+ Series 2.3 - 4.2KV C 4 6 A1 A2 Main Coil 10 9 A2 A1 Bypass Coil 8 7 PFC TB4 TIMED OUT START AUX DELAY Green LED NO Time Delay 1 C 2 4 3 C NC 5 6 NO C NC BOARD Bypass Aux Contact 4 5 External Overload Fuse Blown/ Disconnect Interlock Input 3 2 1 5 7 6 1 4 3 2 TB8 AUX- S PFC-...
Page 94 - PCB Mounting Order; Description; All models
JKSSS+ Series - 88 JKSSS+ Series 2.3 - 4.2KV 7.6 - Spare Parts List DVDT Board MOV Board Gate Drive Board Temp CT Board PCB Mounting Order Description Part Number Unit Voltage and Amp Rating Quantity Req./Unit MVC3-STK23200 2300V, 200A 3 MVC3-STK23400 2300V, 400A 3 MVC3-STK23600 2300V, 600A 3 MVC3-S...
Page 96 - Gate Drive Board
JKSSS+ Series - 90 JKSSS+ Series 2.3 - 4.2KV 7.7 - Instructions for Stack Replacement For Reference Only Gate Drive Board TEMP / CT Board MOV Board DV/DT Board DVDT Board MOV Board Gate Drive Board Temp CT Board PCB Mounting Order
Page 97 - - Instructions for Stack Replacement; Note: All power sources must be removed and a waiting period of at; HAZARDOUS VOLTAGE
JKSSS+ Series - 91 JKSSS+ Series 2.3 - 4.2KV 7.7 - Instructions for Stack Replacement Note: All power sources must be removed and a waiting period of at least 15 minutes must be observed before initiating any repairs to the unit(s) because DC voltage may still be present immediately after turning of...
Page 98 - gate drive board and lift off the board.
JKSSS+ Series - 92 JKSSS+ Series 2.3 - 4.2KV SCR Replacement: FAILURE TO PERFORM THIS PROCEDURE CORRECTLy WILL DAMAGE THE SCR AND WILL NOT BE COVERED UNDER WARRANTy. 1. Remove white jumper wires on the gate drive board and make a note of their placement. 2. Remove both 7/16 bolts and the singular 10...
Page 101 - reverse to remove all test connect and reinstall all fuses.; Low Voltage Troubleshooting:
JKSSS+ Series - 95 JKSSS+ Series 2.3 - 4.2KV 9. Verify or wire a 120Vac plug to the TEST plug supplied by the factory. 10. Remove all both power fuses on the medium voltage CPT (single phase control power transformer), if present.. 11. Remove 3 fuses from the medium voltage potential transformer (PT...
Page 103 - MAINTENANCE PROGRAM; Improper maintenance can cause severe injury, death and property; R e f e r t o t h e S A F E T Y s e c t i o n o f t h i s m a n u a l f o r i m p o r t a n t; MAINTENANCE RECORD; include information on:; SERVICING EQUIPMENT; the starter. Certain minimum safety procedures must be followed:; qualified personnel; should attempt this service.; death and property damage.
JKSSS+ Series - 97 JKSSS+ Series 2.3 - 4.2KV 7.9 - Maintenance Program/Servicing Equipment/Disposal/Storage MAINTENANCE PROGRAM In order to ensure continued reliable and safe operation of the equipment, a program of periodic maintenance must be established. Operating and environmental conditions wil...
Page 104 - DISPOSAL; components and packaging in your particular area.; STORAGE; following precautions should be taken:; INSPECTION DURING STORAGE
JKSSS+ Series - 98 JKSSS+ Series 2.3 - 4.2KV DISPOSAL Contact your state environmental agency for details on disposal of electrical components and packaging in your particular area. STORAGE If the starter is to be stored for any length of time prior to installation, the following precautions should ...
Page 105 - WARRANTy AND LIMITATION OF LIABILITy
JKSSS+ Series - 99 JKSSS+ Series 2.3 - 4.2KV WARRANTy AND LIMITATION OF LIABILITy Toshiba International Corporation (“Company”) warrants that all equipment and parts described herein will be free from defects in materials and workmanship. THIS WARRANTY WILL EXPIRE TWENTY-FOUR (24) MONTHS AFTER SUCH ...
Page 106 - TOSHIBA; TOSHIBA INTERNATIONAL CORPORATION; INDUSTRIAL DIVISION
TOSHIBA TOSHIBA INTERNATIONAL CORPORATION INDUSTRIAL DIVISION 13131 West Little York Rd., Houston, Texas 77041 Tel 713-466-0277 Fax 713-466-8773 US 800-231-1412 Can 800-872-2192 Mex 95-800-527-1204 World Wide Web http://www.toshiba.com/ind