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Toshiba JKSSS Series Instruction Manual

Toshiba JKSSS Series Instruction Manual

Medium voltage solid state starter
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Document: VF01H05 Rev. 12
INSTRUCTION MANUAL
INSTALLATION – OPERATION - MAINTENANCE
JKSSS Series
Medium Voltage
Solid State Starter
Issued: 3/20
Firmware Version 7.34

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  • Page 1 Document: VF01H05 Rev. 12 INSTRUCTION MANUAL INSTALLATION – OPERATION - MAINTENANCE JKSSS Series Medium Voltage Solid State Starter Issued: 3/20 Firmware Version 7.34...
  • Page 2 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide...
  • Page 3 The sales contract contains the entire obligation of Toshiba International Corporation. The warranty contained in the contract between the parties is the sole warranty of Toshiba International Corporation and any statements contained herein do not create new warranties or modify the existing warranty.
  • Page 4 Toshiba International Corporation. © Copyright 2020 Toshiba International Corporation. TOSHIBA® is a registered trademark of Toshiba Corporation. All other product or trade references appearing in this manual are registered trademarks of their respective owners.
  • Page 5 Guide Contacting TIC’s Customer Support Center Toshiba International Corporation’s Customer Support Center can be contacted to obtain help in resolving any system problem that you may experience or to provide application information. The center is open from 8 a.m. to 5 p.m. (CST), Monday through Friday. The Support Center’s toll free number is US (800) 231-1412/Fax (713) 466-8773 —...
  • Page 6 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide General Safety Information DO NOT attempt to install, operate, maintain, or dispose of this equipment until you have read and understood all of the product safety information and directions that are contained in this manual.
  • Page 7 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide Equipment Labels (Safety, Rating, Information) DO NOT attempt to install, operate, perform maintenance, or dispose of this equipment until you have read and understood all of the product labels and user directions that are contained in this manual.
  • Page 8 • Carefully unpack the equipment and check for parts that may have been damaged during shipping, missing parts, or concealed damage. If any discrepancies are discovered, it should be noted with the carrier prior to accepting the shipment, if possible. File a claim with the carrier if necessary and immediately notify your Toshiba Customer Support Center.
  • Page 9 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide Handling and Storage • Use proper lifting techniques when moving the equipment, including properly sizing up the load, getting assistance, and using a forklift if required. • Store in a well-ventilated location, preferably in the original packaging, if the equipment will not be used upon receipt.
  • Page 10 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide • Equipment should be installed according to all applicable national, regional, and industry codes and standards. In the U.S., installation of the equipment should conform to NEC Article 110 Requirements For Electrical Installations and to OSHA requirements.

  • Page 11: Table Of Contents

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide Table of Contents PAGE Chapter 1: Introduction ........................... 1 1.1 Overview ................................. 1 1.2 Specifications .............................. 1-2 1.3 Reference Chart ............................. 3 1.4 Design Features ............................4-5 1.5 Theory of Operation ............................ 5-6 1.6 General Protection ............................
  • Page 12 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide Chapter 5: Setpoint Programming ......................35 5 .1 Setpoints Page List ..........................35-41 5.1.1 Basic Configuration (Setpoint Page 1) ....................35 5.1.2 Starter Configuration (Setpoint Page 2) ....................35 5.1.3 Phase and Ground Settings (Setpoint Page 3) ..................
  • Page 13 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide Chapter 7: Maintenance and Troubleshooting .................... 78 7.1 Failure Analysis ............................78-80 7.1.1 SCR Testing Procedure .......................... 80 APPENDIX A: Modbus RTU Communication and Registers ............81 TOSHIBA...

  • Page 14: Chapter 1: Introduction

    Chapter 1 - Introduction This chapter is an introduction to the Toshiba JKSSS+ 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.
  • Page 15 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide PROGAMMABLE OUTPUTS Type / Rating Form C (SPDT), Rated 5A, 240Vac max, (1200 VA) Run Indication Programmable At Speed Indication Programmable Programmable Ramp Types: Voltage or Current Ramp (VR or CR)

  • Page 16: Reference Chart

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 1.3 Reference chart Page Page SEC. Table or Drawing SEC. Table or Drawing Number Number Setpoint Page 7 Displays - Specifications 1 - 2 57 - 59 Custom Acceleration Curve...

  • Page 17: Design Features

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 1.4 Design Features The standard JKSSS+ configuration is a complete NEMA Class E-2 motor controller which includes the following features: • Isolation Switch: An isolation switch is provided in the incoming power section of the starter assembly. The maximum voltage is 7200V.

  • Page 18: Theory Of Operation

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide Removable conduit entry plates are provided in the bottom of the enclosures to facilitate drilling and punching of conduit holes without exposing the equipment to contamination from metal debris.

  • Page 19: General Protection

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide current drops to running levels, the soft starter detects an At-Speed condition and 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 due to the slight voltage drop across the SCRs.

  • Page 20: Thermal Overload Protection

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 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: •...

  • Page 21: Firing Circuit

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 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.

  • Page 22: Electronics

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 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.

  • Page 23: Chapter 2: Connections

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide DANGER 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. • Gate Drive Boards are located directly on the SCR stacks. These boards communicate to the Main Power board via fiber optic cables.

  • Page 24: Receiving, Handling/Moving And Unpacking

    If the controller is not upright upon receipt, notify the carrier of possible damage. Upright the units as soon as possible and immediately notify the nearest Toshiba representative. • Carefully unpack the unit and make an immediate inspection for any damage which might have occurred during shipment.

  • Page 25: Initial Inspection

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide Overhead Lifting When it is necessary to move the equipment between elevations, overhead hoisting may be required. Lifting angles (for multiple controller sections) are provided on top of the enclosure for this purpose.
  • Page 26 SERVICE CONDITIONS Toshiba medium voltage controllers are intended for usual service conditions as defined by NEMA. The equipment should not be exposed to corrosive or explosive fumes, dusts, vapors, dripping or standing water, abnormal vibration, shock, tilting, or other abnormal operation conditions.

  • Page 27: Mounting

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 2.5 - Mounting Each shipping section must be leveled and firmly secured to its supporting foundation. Steel shims may be used for final leveling (Fig. 2.5.1), if necessary. When three or more shipping sections are to be arranged in one continuous line-up, the center shipping section should normally be the first located.
  • Page 28 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide Before closing the enclosure, all metal chips, scrap wire and other debris left over from installation must be cleaned out. If there is an appreciable accumulation of dust or dirt, the enclosure should be cleaned by using a brush, vacuum cleaner or clean, lint free brush.

  • Page 29: Medium Voltage Power Connections

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide Power circuit fuses were selected and installed in accordance with the application requirements. Fuses must be completely inserted in their holders. Instruction on removing and installing the fuses can be found in one of the following manuals: VF010H03 (Fixed Type) or VF010H01 (Drawout Type).
  • Page 30 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide Main power bus (when provided) and horizontal ground bus are supplied with links to join shipping sections together. These should be installed in accordance with Fig. 2.8.1 through Fig. 2.8.3.
  • Page 31 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide Incoming Line On the standard JKSSS, incoming power cable connections should be made at the points shown on the wiring diagram furnished with the equipment. Note: Proper phase sequence must be observed when connecting the input power. For example, phase A must lead phase B, which in turn must lead phase C by 120°...
  • Page 32 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide b. If the system is grounded at any point ahead of the controller, the grounded conductor should be run to the controller in accordance with NEC 250 and connected to the ground bus or ground terminal.

  • Page 33: Control Connections

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 2.9 Control Connections - TCB (Terminal and Control Board) 2.9.1 TCB Board The TCB board, FIG. 2.9.1 shown below, provides interconnections between the main power and CPU boards and the customer’s control logic connections. It is a 120 VAC control board with several auxiliary dry control contacts, built-in time delay circuits and emergency bypass functions.

  • Page 34: Description Of Terminal Connections

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 2.9.2 Description of Terminal Connections TB1 Start / Stop Control Description 120Vac Control Power (Line) Shutdown Input - Accepts customer N.C dry contact (factory jumper installed) Shutdown Input - Accepts customer N.C dry contact (factory jumper installed) For terminals 6, 7 &...
  • Page 35 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide Cont. 2.9.2. Description of Terminal Connections - Continued TB4 Optional Relay Outputs Description Two Form C time delay Aux relay output contacts. Time delay starts when the Start commend is given.
  • Page 36 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 2.9.2 Description of Terminal Connections - Continued TB6 Main and CPU Circuit Board Control Inputs Description 120Vac output to Control Power Input (Main & CPU Circuit) Start Input Fuse Blown Input...

  • Page 37: Description Of Jumper Selections And Functions

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 2.9.3 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...
  • Page 38 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 2.9.5 Description of LED Indicators Functions LED Indicators Function Location Color Function Fuse Blown/ ON: When a Fuse is blown and / or a Disconnect is open. Disconnect ON: When any Fault has occurred.
  • Page 39 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 2.10.2 RS485 / RS422 Communications Board Note: This Board is mounted on the back of the Keypad Interface Connects to the Keypad Interface (RS485) (RS422) X2 X3 A+ A-...
  • Page 40 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 2.10.3 Main Board Circuit Board Ground Test Points 7- A Phase 4- B Phase 1- C Phase AUX 1 AUX 2 AUX 3 AUX 4 AUX 8 AUX 5...
  • Page 41 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 2.10.4 CPU Board CGND2 CGND4 CGND3 CGND1 DO NOT DO NOT CONNECT CONNECT External Program Analog Analog Tach. Input #2 Enable Output #1 Output #2 Input Input 4 – 20 mA 4 –...

  • Page 42: Typical Wiring Diagram

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 2.11 Typical Wiring Diagram Located in Medium Voltage Section KEYPAD INTERFACE (See FIG. 1.9) 3Ø Medium Medium Voltage Voltage Supply CPT* COMM BOARD Ø C Ø A Ø B Ø...

  • Page 43: Chapter 3: Start-Up

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide Chapter 3 - Start-up 3.1 Introduction 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. See Section 5.1.2 Starter Configuration (Setpoint Page 2) to make any adjustments.

  • Page 44: Deceleration Adjustments

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 3.3 Deceleration Adjustments (Pump Control) Decel control extends the stopping time on loads that would otherwise stop too quickly if allowed to coast to stop. Decel control provides smooth deceleration until the load comes to a stop. Three adjustments optimize the deceleration curve to meet the most demanding requirements.

  • Page 45: Sequence Of Normal Operation

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 3.3.2 Start Deceleration Voltage Factory Setting = 60% of line voltage Range = 0% - 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.

  • Page 46: Emergency Bypass Operation

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 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.

  • Page 47: Chapter 4: User Interface And Menu Navigation

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide Chapter 4 - User Interface & Menu Navigation This chapter explains the keypad operator interface, the OLED descriptions and the programming features. 4.1 Keypad/Operator Interface The user keypad/ operator interface consists of:...

  • Page 48: Menu Navigation

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 4.2 Menu Navigation CONFIGURATION MENU METERING MENU MENU Page 1 Page 1 Current Metered Data Basic Configuration LEVEL 1 Page 2 Page 2 Voltage & Power Data Starter Configuration...

  • Page 49: Password Access

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 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 unit.

  • Page 50: Setpoints

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 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.

  • Page 51: Phase And Ground Settings (Setpoint

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 5.1.3 Phase and Ground Settings (Setpoint Page 3) Setpoint Security Factory Setting Description Range Section Page Level Default Imbalance Alarm Level 15% FLA 5-30 %, Off SP3.1 Imbalance Alarm Delay 1.5 sec...

  • Page 52: Relay Assignments (Setpoint

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 5.1.4 Relay Assignments (Setpoint Page 4) Factory Setting Setpoint Security Description Range Section Page Level O/L Trip Trip Only None None I/B Trip Trip None None S/C Trip Trip Only...

  • Page 53: Relay Configuration (Setpoint

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 5.1.5 Relay Configuration (Setpoint Page 5) Setpoint Security Factory Setting Description Range Section Page Level Default Trip (AUX1) Fail-Safe SP5.1 Trip (AUX1) Relay Latched SP5.2 Alarm (AUX2) Fail-Safe SP5.1 Alarm (AUX2) Relay Latched SP5.2...

  • Page 54: Custom Acceleration Curve (Setpoint

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 5.1.7 Custom Acceleration Curve (Setpoint Page 7) Setpoint Security Factory Setting Description Range Section Page Level Default Custom Accel Curve Disabled Disabled, Curve A, B, or C Custom Curve A...

  • Page 55: Rtd Configuration (Setpoint

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 5.1.9 RTD Configuration (Setpoint Page 9) Setpoint Security Factory Setting Description Range Section Page Level Default Use NEMA Temp for RTD Values Disabled Enabled or Disabled SP9.1 # of RTD Used for Stator SP9.2...

  • Page 56: Rtd Password Level Configuration (Setpoint

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 5.1.10 RTD Password Level Configuration (Setpoint Page 10) Setpoint Security Factory Setting Description Range Section Page Level Default Page 10 Level 3 Set Level 2 Password 000 – 999 Three Digits SP10.1...

  • Page 57: Setpoints Menu And Parameter Explanation

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 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.
  • Page 58 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 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 Overload Class 30...

  • Page 59: Sp.2 Starter Configuration

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide SP.2 Starter Configuration (Setpoint Page 2) This 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...
  • Page 60 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide SP2 Starter Configuration (Setpoint Page 2) Menu Navigation SP2.1 Start Control Mode: Dual Ramp, Custom Accel Curve, Jog Voltage, Start Ramp 1, Start Ramp 2. • Dual Ramp: The 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).
  • Page 61 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 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.
  • Page 62 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide • 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.

  • Page 63: Sp.3 Phase & Ground Settings

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide SP.3 Phase & Ground Settings (Setpoint Page Page 2 Phase & Ground Settings (Security Level 2) IMBALANCE ALARM IMBALANCE ALARM LEVEL: 15% FLA DELAY: 1.5 SEC. SP3.1 Imbalance Alarm Level: This is an advance warning Range: 5-30%, Off Range: 1.0-20.0 SEC.
  • Page 64 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide SP3.6 Phase Loss Trip: When enabled, the Soft Continued (From Previous Page) Starter will trip the motor off-line upon a loss of phase UNDERVOLTAGE ALARM UNDERVOLTAGE ALARM power. LEVEL: OFF DELAY: 1.0 SEC.
  • Page 65 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 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.

  • Page 66: Sp.4 Relay Assignment

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide SP.4 Relay Assignment (Setpoint Page 4) (Security Level 2) MENU (DOWN ARROW 3 PHASE REVERSAL UNDERCURRENT ALARM TIMES) 1ST: TRIP 1ST: NONE Page 4 Relay Assignment Range: TRIP (AUX1),...
  • Page 67 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 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 (AUX2) relay.

  • Page 68: Sp.5 Relay Configuration

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide RUN DELAY TIME NONE NONE NONE AT-SPEED AUX4 NONE NONE *Ground fault option must be installed. SP.5 Relay Configuration (Setpoint Page 5) (Security Level 3) 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.

  • Page 69: Sp.6 User I/O Configuration

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide SP.6 User I/O Configuration (Setpoint Page 6) (Security Level 2) (DOWN ARROW 5 TIMES) Page 6 MENU User I/O Configuration ENABLED TACHOMETER SCALE MANUAL TACH SCALE SELECTION: DISABLED 4.0 mA: 0 RPM...
  • Page 70 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide SP.6 User I/O 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.
  • Page 71 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide SP.6 User I/O Configuration (Setpoint Page 6) - Continued (Security Level 2) TCB FAULT / ESTOP TCB FAULT / ESTOP TCB FAULT / ESTOP NAME EXT. INPUT #1 TYPE: N.O.

  • Page 72: Sp.7 Custom Acceleration Curve

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide SP.7 Custom Acceleration Curve (Setpoint Page 7) (Security Level 3) CURVE A VOLTAGE LEVEL 1: 25% SP7.1 Setpoint Page 7 allows the user to Range: 0 - 100% MENU...
  • Page 73 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide SP.7 Custom Acceleration Curve (Setpoint Page 7) - Continued (Security Level 3) (Continued from Prev. page) CURVE B VOLTAGE LEVEL 6: 67% CURVE A VOLTAGE Range: 0 - 100%...
  • Page 74 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide SP.7 Custom Acceleration Curve (Setpoint Page 7) - Continued (Security Level 3) (Continued from prev. page) CURVE C VOLTAGE LEVEL 4: 45% Range: 0 - 100% Increments of 1 CURVE C RAMP TIME 4: 2 SEC.

  • Page 75: Sp.8 Overload Curve Configuration

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 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.
  • Page 76 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 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.

  • Page 77: Sp.9 Rtd Configuration

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide SP.9 RTD Configuration (Setpoint Page 9) (Security Level 3) The soft starter has a card that provides 12 programmable RTDs which are individually programmable for type. Each RTD can be identified with a description name of up to 15 characters (including spacing). Also, each individual RTD has its own alarm and trip level.
  • Page 78 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide SP.9 RTD Configuration (Setpoint Page 9) (Security Level 3) MENU RANGES: (DOWN ARROW 8 TIMES) 120 OHM NICKEL (NI) Page 9 100 OHM NICKEL (NI) RTD CONFIGURATION 10 OHM COPPER (CU)
  • Page 79 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide SP.9 RTD Configuration (Setpoint Page 9) (Security Level 3) 100+ Ohm in ODD Ch 10 Ohm in ODD Ch 100+ Ohm in EVEN Ch SET RTD OFFSETS >>> OFFSET: -270...

  • Page 80: Sp.10 Set Password

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 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.

  • Page 81: Sp.12 System Setpoints

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide SP.12 System Setpoints (Setpoint Page 12) (Security Level 3) SP12.1 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.
  • Page 82 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 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.

  • Page 83: Sp.13 Calibration & Service

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide SP.13 Calibration & 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.

  • Page 84: Chapter 6 - Metering Pages

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 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.

  • Page 85: Status (Metering

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 6.1.4 Status (Metering Page 4) Metering Description of Display Screen Page Current status Amount of time remaining before an overload trip occurs Amount of time remaining from a thermal inhibit signal...

  • Page 86: Metering Menu And Explanation

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 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...
  • Page 87 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide MP.1 Metering (Metering Page 1) Displays basic current metering data. MENU METERING PAGE 1 CURRENT METERED DATA IA: ###### IB: ###### Screen 1: Phase A, B, C and ground fault (option) current.

  • Page 88: Mp.2 Metering

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide MP.2 Metering (Metering Page 2) Displays the soft starter statistical voltage metering information. MENU METERING PAGE 2 VOLTAGE & POWER DATA Vab: ### Vbc: ### Screen 1: Displays Phase A, B, C and Power Factor.
  • Page 89 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide MP.3 Metering (Metering Page 3) Displays the RTD information. Screen 1 METERING PAGE 3 HOTTEST STATOR MENU RTD VALUES RTD#: # @ ### C (DOWN Screen 2 ARROW 2...
  • Page 90 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide MP.4 Metering (Metering Page 4) Displays the present status of the soft start MENU *Screen 1: Displays the present state of the unit as follows: Screen 2: D isplays the amount of time remaining before an overload trip will METERING PAGE 4 occur.
  • Page 91 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide MP.5 Metering (Metering Page 5) Displays the present status 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, Vca and power factor at the time of event.
  • Page 92 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide MP.6 Metering (Metering Page 6) Displays the last trip information MENU Screen 1: Displays the cause of the last trip. Screen 2: Displays the measured phase current at the time of the trip.

  • Page 93: Mp.7 Statistics

    Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide MP.7 Statistics (Metering Page 7) Displays the statistical trip information MENU (DOWN ARROW 6 TIMES) METERING PAGE 7 Screen 1: Displays the total of megawatt hours. STATISTICS Screen 2: Displays the accumulated total running hours.
  • Page 94 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 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 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.
  • Page 95 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 7.1 Failure Analysis - Continued CPU OLED Problem Possible Cause Solutions Display Relay Loss of 1 or more phases of power from Check power source. Phase Loss utility or generated...
  • Page 96 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide 7.1 Failure Analysis - Continued CPU OLED Problem Possible Cause Solutions Display Relay Remove power, locate and remove Control circuit Short in Control Circuit the short. fuses blow after...
  • Page 97 Basic Installation and Operation JKSSS Series Solid State Soft Starters Guide TOSHIBA...
  • Page 99 For the latest product information visit us at www.Toshiba.com/tic...

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