S&C TA-3370 Instruction Sheet
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S&C TA-3370 Instruction Sheet

S&C TA-3370 Instruction Sheet

Three-phase battery charger for 24-volt batteries
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Three-Phase Battery Charger

Table of Contents

Section
Qualified Persons . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Read this Instruction Sheet . . . . . . . . . . . . . . . . . . . 2
Retain this Instruction Sheet . . . . . . . . . . . . . . . . . . . 2
Proper Application . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Warranty Qualifications . . . . . . . . . . . . . . . . . . . . . . 2
Understanding Safety-Alert Messages . . . . . . . . . . . 3
Following Safety Instructions . . . . . . . . . . . . . . . . . . 3
Replacement Instructions and Labels . . . . . . . . . . . 3
. . . . . . . . . . . . . . . . . . . . . . . . . 4
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Wiring Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
LCD Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
January 27, 2020
© S&C Electric Company 2019-2020, all rights reserved
For 24-Volt Batteries
Operation
Page
. . . . . . . . . . . . . . . . . . . . . . 6
Section
Operation
a 24-Volt Battery . . . . . . . . . . . . . . . . . . . . . . . . . .18
or Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Troubleshooting Tips . . . . . . . . . . . . . . . . . . . . . . . 23
Appendix A
Appendix B
Connector Pin Descriptions . . . . . . . . . . . . . . . . . . 28
Appendix C
Appendix D
Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Instruction Sheet 661-500
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  • Page 1: Table Of Contents

    Three-Phase Battery Charger For 24-Volt Batteries Operation Table of Contents Section Page Section Page Introduction Operation Qualified Persons . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Accessing the GUI Application Software .

  • Page 2: Introduction

    Introduction Qualified Persons WARNING The equipment covered by this publication must be installed, operated, and maintained by qualified persons who are knowledgeable in the installation, operation, and maintenance of electric power distribution equipment along with the associated hazards . A qualified person is one who is trained and competent in: •...

  • Page 3: Safety Information

    Safety Information Understanding Several types of safety-alert messages may appear throughout this instruction sheet and on labels and tags attached to the Three-Phase Battery Charger and gear. Familiarize Safety-Alert yourself with these types of messages and the importance of these various signal words: Messages DANGER “DANGER”...

  • Page 4: Safety Precautions

    Safety Precautions DANGER Pad-mounted gear contains high voltage. Failure to observe the precautions below will result in serious personal injury or death. Some of these precautions may differ from company operating procedures and rules . Where a discrepancy exists, users should follow their company’s operating procedures and rules .
  • Page 5 Safety Precautions DANGER Pad-mounted gear contains high voltage. Failure to observe the precautions below will result in serious personal injury or death. Some of these precautions may differ from company operating procedures and rules . Where a discrepancy exists, users should follow their company’s operating procedures and rules .

  • Page 6: Ratings And Standards

    Ratings and Standards Input Power Requirement Table 1. Input Power Ratings Input parameter Rating Three-phase current source (from S&C voltage sensor) 140 – 195 mA at 20 VA Auxiliary voltage 120 Vac Frequency 50 or 60 Hz Output Power Requirement Table 2.

  • Page 7: Components

    Components Overview The purpose of this document is to instruct users how to operate the Three-Phase Battery Charger to supply power to gear radios, relays, and motor loads in the event of no source power. This document also instructs users to know the status of the battery and to be familiar with the use the graphical user interface (GUI) computer application software to monitor the gear.
  • Page 8 Components Table 4. Component Descriptions Component or Label Type Description The charger will be powered from any of the three sources (three-phase, 120 Vac, or battery) when CHARGER ON/OFF Switch this switch is turned on . Charging power is exported from the charger only when the battery is connected .

  • Page 9: Wiring Interface

    Components Wiring Interface Pin number locations The charger has three wiring connector interfaces (J2, J3, and J4), each with two removable 10-terminal Phoenix interface connectors. See Figure 1 on page 7. Pins 1 through 10 are located in the upper row (inside) and pins 11 through 20 are on the lower row (outside).

  • Page 10: Lcd Screen

    Components LCD Screen Display on the screen when the charger is powered from either ac source with the battery connected: When the charger is on, the LCD screen will display the If the charger is powered from an ac source (either charger status.

  • Page 11: Accessing The Gui Application Software

    Operation Accessing the GUI Application Software The GUI application software is used to operate and configure the charger. S&C recommends using this application instead of manually operating and configuring the charger through the pushbuttons on the charger. To use the pushbuttons, please refer to Appendix A of this instruction sheet.

  • Page 12: Navigating The Gui Application Software

    Operation Navigating the GUI Application Software When logged in to the GUI application software, the user will see fi ve tabs across the top of the screen from left to right: • Firmware Upload • Battery Status • Settings Side window •...
  • Page 13 Operation Complete the following steps to download the latest firmware to the charger: STEP 1. Obtain the USB-to-DB9 serial cable. Connect the DB9 end to the COMM PORT of the charger and the USB end to the computer. STEP 2. Log in to the S&C customer por tal at sandc.com/en/support/sc-customer-portal to download the latest version of the firmware...
  • Page 14 Operation STEP 4. Connect the desired battery. Click on the Alarm Reset button to enable the battery to reconnect to the charger. When the button is clicked, a message will pop up, “Do you want to override the BAT Records?” See Figure 9. STEP 5.
  • Page 15 Operation Battery Test Tab The Battery Test tab is used to conduct a battery test. See Figure 11. To conduct a battery test, click on the Battery Test button. The user cannot access any other tabs until battery test is complete. The status box will be updated during the battery test, and the progress bar will visually show the progression of the test.
  • Page 16 Operation Complete the following steps to view the battery test history reports: STEP 1. Select a report subtab (first 12 test records, first year monthly records, or latest 1 year monthly records). STEP 2. Click on the Test History button. This will enable the user to see the subtab report.

  • Page 17: Power Switch Operation And Configuration

    Operation Power Switch Operation and Configuration Three-phase power 120-Vac SINGLE-PHASE The charger has three power switches, as shown in switch POWER switch Figure 15: • A charger power switch • A 120-Vac single-phase power switch • A three-phase power switch Complete the following steps to turn on the charger (assuming all power sources are connected to the charger): STEP 1.

  • Page 18: Connecting And Powering On The Charger With

    Operation Connecting and Powering On the Charger with a 24-Volt Battery Complete the following steps to connect and power on the Sample battery charger with a 24-Vdc battery: Make sure the 120-Vac single-phase power STEP 1. switch, the three-phase power switch, and the charger power switch are in the Off position.

  • Page 19: Removing The Battery For Maintenance

    Operation Removing the Battery for Maintenance or Replacement Complete the following steps to remove a battery: Disconnect the two-pin connector separating STEP 1. the battery from the charger. See Figure 17 on page 18. Run a battery test by clicking on the Battery STEP 2.

  • Page 20: Connecting And Powering On The Charger With A 120-Vac Single-Phase Source

    Operation Connecting and Powering On the Charger with a 120-Vac Single-Phase Source Complete the following steps to connect and power on the charger using a 120-Vac single-phase source: Make sure the 120-Vac single-phase power STEP 1. switch, the three-phase power switch, and the charger power switch are in the Off position.

  • Page 21: With S&C Three-Phase Voltage Sensors

    Operation with S&C Three-Phase Voltage Sensors Complete the following steps to connect and power on the charger with S&C three-phase voltage sensors: STEP 1. Make sure the 120-Vac single-phase power switch, the three-phase power switch, and the charger power switch are in the Off position. See Figure 16 on page 17.
  • Page 22 Operation position. See Figure 26. STEP 7. Turn the CHARGER POWER switch to the On position. The charger will turn on and the LCD screen will display the charger and battery status. See Figure 27. NOTICE If all three power switches are turned on and there is no 120-Vac single-phase power source connected to the charger, the charger will be powered by the three- phase power source .

  • Page 23: Troubleshooting Tips

    Operation Troubleshooting Tips Any issues the charger and battery have are displayed on the LED indicators on the charger, on the LCD screen on the charger, or on the Battery Status screen of the GUI application software. Table 7 shows action items that can be done to resolve issues with the charger and battery.

  • Page 24: Using The Charger Pushbuttons For Manual Operation

    Appendix A Using the Charger Pushbuttons for Manual Operation NOTICE S&C recommends using the GUI application software to operate and configure the battery charger . See pages 11 to 16 for configuration instructions . There are settings displayed on the LCD screen that are configured by S&C Electric Company and are not configurable by the user via the pushbuttons or the GUI application software .
  • Page 25 Appendix A Complete the following steps to manually set the date: STEP 1. Push and hold the DOWN pushbutton until the RTC DAT mode is displayed on the LCD screen. When the mode appears, immediately release the pushbutton. STEP 2. When the pushbutton is released, the RTC DAT mode is active and the configured date will be displayed.
  • Page 26 Appendix A RESET Pushbutton Complete the following steps to manually set the time of day: The RESET pushbutton is used to clear external alarms caused by these battery conditions: STEP 1. Push and hold the DOWN pushbutton until the RTC TIM mode displays on the LCD screen. •...
  • Page 27 Appendix A BATTERY TEST Pushbutton Removing the Battery for Maintenance or Replacement NOTICE Complete the following steps to remove a battery: The battery test can also be done remotely by applying external 24-Vdc to pin 6 (positive) and pin 7 (negative) STEP 1.

  • Page 28: Connector Pin Descriptions

    Appendix B Connector Pin Descriptions Relay Input Voltage The Battery Test Start (J2 connector, pins 6 and 7) and Alarm Reset (J2 connector, pins 8 and 9) contacts must be powered with 24 Vdc. Voltage must be applied for at least three seconds for the contact command to be recognized. Table 8.
  • Page 29 Appendix B Table 9. J3 Connector Input Definitions Upper Row Pin Number Connection Name Description PHASE 1 VOLTAGE SENSOR NEUTRAL Phase 1 input current return from S&C voltage sensor PHASE 1 VOLTAGE SENSOR LINE Phase 1 input current from S&C voltage sensor PHASE 3 VOLTAGE SENSOR NEUTRAL Phase 3 input current return from S&C voltage sensor PHASE 3 VOLTAGE SENSOR LINE...

  • Page 30: System Line-To-Ground Voltage Calibration

    Appendix C System Line-to-Ground Voltage Calibration To calibrate the system line-to-ground voltage: STEP 1. Record the voltage-sensor magnitude ratios of each voltage sensor in Table 11. The voltage-sensor magnitude ratio can be found on the Voltage-Sensor Data Yellow card (G-6244R6, page 2) shipped with the system.

  • Page 31: Drawings

    Appendix D Drawings Figure 29. Interconnect diagram. S&C Instruction Sheet 661-500...
  • Page 32 Appendix D LCD DISPLAY LCD DRIVER 3.3V SBLCDA2 1D_1C_1B_1A COM4 1N_1M_1K_1J COM3 VLCD 1DP_2E_2F_2COL COM2 2P_2Q_2G_2H CONTRAST_CTRL COM1 2D_2C_2B_2A 1P_1Q_1G_1H 2N_2M_2K_2J MIN_1E_1F_PLUS 2DP_3E_3F_3COL PGND A0_ANT_A2_A1 3P_3Q_3G_3H 3.3V P2_P1_P0_PL PGND 3D_3C_3B_3A P3_P4_P5_P6 3N_3M_3K_3J NC-1 3DP_4E_4F_4COL NC-2 SYNC 4P_4Q_4G_4H PR_P9_P8_P7 4D_4C_4B_4A PGND BRBL_B2_B1_B0 4N_4M_4K_4J AL_AU_AR_AD...
  • Page 33 Appendix D BLOCK DIAGRAM Figure 31. Charger block diagram. SIZE SIZE SIZE REVISION REVISION REVISION REVISIONS REVISIONS REVISIONS PROPRIETARY STATEMENT PROPRIETARY STATEMENT PROPRIETARY STATEMENT S&C ELECTRIC COMPANY S&C ELECTRIC COMPANY S&C ELECTRIC COMPANY NOTICE NO. NOTICE NO. NOTICE NO. DATE DATE DATE THIS DOCUMENT AND ALL PREVIOUS ISSUES ARE THE SECRET AND CONFIDENTIAL...

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