STX Signal Transmitter Installation and Operation ... - Kistler-Morse

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Chapter 2. Hardware Installation Wiring System This section describes how to wire the junction box, power, and auxiliary equipment to the STX. Refer to the specifications in Appendix A and the drawings in Appendix H: • Stand-Alone STX — TI-SP.STX-02 • STX in Standard 19” Rack — TI-SP.STX-03 • STX in MVS — TI-MVS.STX-01 WARNING All wiring must comply with government or local codes. Wiring Junction Box to STX CAUTION Do not route junction box cables in the same conduit with AC power cables. Notes 1. Seal all conduit fittings against water entry. Install conduit drains at conduit’s lowest elevation(s) to allow condensation to drain. 2. All wiring routed between junction boxes and STX must be continuous (no splices). Refer to Appendix H. Instructions are provided for half-bridge and full-bridge sensors. Refer to the sensor manufacturer’s manual for wire/cable specifications. Note Full-bridge sensors — If voltage decreases as weight is added, switch the +In1 and -In1 wires. Wiring Power WARNING When connecting power to this unit: • Power wiring must comply with the national wiring requirements for the country in which the equipment is installed. • The ground conductor must be connected to the Protective Earth (PE) terminal. Note The standard lead colors for AC power in North America are: • Ground = Green • Hot = Black • Neutral = White Wiring Current Output The fully isolated 0-20/4-20 Current Transmitter is an optional PCB that is factory-soldered to the STX PCB. Refer to Appendix H. External Current Loop Power Supply The STX’s Current Transmitter Loop is powered by the STX power supply. However, an external power supply may be desired for some applications. The maximum allowable voltage from the external power supply is 50 Vdc. The minimum allowable voltage is based on the loop resistance, allowing a 2 Volt overhead for the output’s current sensing. For example: 1000 ohms x 0.020 amps = 20 Volts Minimum voltage = 20 Volts + 2 Volts (overhead) = 22 Volts Wire the current transmitter external power supply as shown in Appendix H. Move the JP11 jumper on the STX PCB to the Ext pins. Wiring Serial Communications Refer to Appendix H. Sealing Openings in Stand-Alone STX Enclosure After conduit and cable installation is complete, seal around the openings in the STX enclosure to prevent moisture seepage. CAUTION Only use Sikaflex 1A polyurethane sealant or Dow Corning RTV 739 or RTV 738. Other sealants may contain acetic acid, which is harmful to electronics. Refer to the instructions below and Appendix H: • DC (standard) — STX operates on nominal 15 to 24 Vdc (actual 14.4 to 30 Vdc) power. • AC (option) — STX operates on 100, 120, or 230 Vac factory-set power. 2-2
Chapter 2. Hardware Installation Setting Serial Address Note Setting the addressing rocker-arm switch is not required unless you are using the serial port on the STX PCB. The STX supports a total of 256 addresses (0-255). The S1 switch on the STX PCB sets the STX’s serial address. Table 2-1 shows how the switches are set in binary sequence for all 256 available addresses. 2-3
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Page 3 and 4: Table of Contents Table of Contents
Page 5 and 6: Table of Contents Chapter 7. MVS-ST
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Page 9 and 10: Chapter 1. Introduction Status LED
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Page 37 and 38: Introduction Chapter 5. MVS-STX Dis
Page 39 and 40: Chapter 5. MVS-STX Display Menu 4.
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Page 43 and 44: Chapter 5. MVS-STX Display Menu 8.
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Page 59 and 60: Introduction 7-1 Chapter 7. MVS-STX
Page 61 and 62: Chapter 7. MVS-STX Calibration Menu
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Chapter 7. MVS-STX Calibration Menu
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Chapter 7. MVS-STX Calibration Menu
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○ ○ ○ ○ ○ ○ ○ ○ ○
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Chapter 8. MVS-STX Service Menu Cha
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Chapter 8. MVS-STX Service Menu Adj
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Qlfy (qualify) Qlfy is the triggeri
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Chapter 8. MVS-STX Service Menu •
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Chapter 8. MVS-STX Service Menu Mic
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Chapter 8. MVS-STX Service Menu The
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Chapter 9. MVS-STX Math Channels Ch
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Chapter 9. MVS-STX Math Channels
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Chapter 9. MVS-STX Math Channels 8.
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Appendix A. Product Specifications
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Appendix B. Serial Commands Appendi
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Appendix B. Serial Commands Checksu
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‘m7’ Command — Select Self-Ca
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Introduction Appendix C. MVS-STX Ca
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Appendix C. MVS-STX Calculation of
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Appendix D. MVS-STX Error Messages
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5. I/O Error Adr:XX Explanation An
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Appendix E. Trimming the Current Ou
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Appendix F. Industry Approvals Appe
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Appendix G. Kistler-Morse Service a
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Appendix H. Technical Drawings Appe
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Appendix H. Technical Drawings H-4
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Appendix I. MVS-STX Menu Tree and H
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STX Signal Transmitter Installation and Operation ... - Kistler-Morse

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