Sierra 780S Series Flat-Trak Instruction Manual

Series 780S Instruction Manual Table of Contents IM-78S-C 0-1 Sierra 780S Series Flat-Trak™ Mass Flow Meter Instruction Manual Part Number IM-78

Series 780S Instruction Manual Chapter 1 Introduction IM-78S-C 1-5 Totalizer With the optional LCD display, actual mass flow appears on line 1 and t

Series 780S Instruction Manual Chapter 2 Installation IM-78S-C 2-1 Chapter 2 Installation Installation Overview The Series 780S Flat-Trak™ is avail

Chapter 2 Installation Series 780S Instruction Manual 2-2 IM-78S-C Unobstructed Flow Requirements Select an installation site that will minimize pos

Series 780S Instruction Manual Chapter 2 Installation IM-78S-C 2-3 To install the flow meter: 1. Turn off the flow of process gas. Verify that the

Chapter 2 Installation Series 780S Instruction Manual 2-4 IM-78S-C Wiring Connections For NEMA 4X enclosures, use TB2 for power and signal connec-ti

Series 780S Instruction Manual Chapter 2 Installation IM-78S-C 2-5 Input Power Wiring AC Power Wiring The AC power wire size must be 26 to 16 AWG wi

Chapter 2 Installation Series 780S Instruction Manual 2-6 IM-78S-C DC Power Wiring The DC power wire size must be 26 to 16 AWG with the wire strippe

Series 780S Instruction Manual Chapter 2 Installation IM-78S-C 2-7 Output Signal Wiring Output signal cable should be completely screened with a 100

Chapter 2 Installation Series 780S Instruction Manual 2-8 IM-78S-C 4-20 mA Output Wiring The 4-20 mA current loop output can be self-powered (non-is

Series 780S Instruction Manual Chapter 2 Installation IM-78S-C 2-9 R load4-20 out (+)4-20 out (–)12 VDC to 36 VDCCurrent– +121516NEMA 4X E

Table of Contents Series 780S Instruction Manual 0-2 IM-78S-C GLOBAL SUPPORT LOCATIONS: WE ARE HERE TO HELP! CORPORATE HEADQUARTERS 5 Harris Court

Chapter 2 Installation Series 780S Instruction Manual 2-10 IM-78S-C Alarm Output Wiring Two alarm outputs (Low Alarm and High Alarm) are included on

Series 780S Instruction Manual Chapter 2 Installation IM-78S-C 2-11 1 2 3 4 5 6 7 8 9 1020 19 18 17 16 15 14 13 12 11Hazardous-Area EnclosuresLoad L

Chapter 2 Installation Series 780S Instruction Manual 2-12 IM-78S-C Velocity sensorREDGREENORANGEWHITEBLACKTemperature sensorRemote enclosureSensor

Series 780S Instruction Manual Chapter 2 Installation IM-78S-C 2-13 REDGREENORANGEWHITEBLACKSensor probe junction box1 2 3 4 5 6 7 8 9 1020 19 18 17

Series 780S Instruction Manual Chapter 3 Operation IM-78S-C 3-1 Chapter 3 Operation This chapter covers flow meter operation, programming and in-st

Chapter 3 Operation Series 780S Instruction Manual 3-2 IM-78S-C Smart Electronics DeviceSingle digit LEDFunction Up DownInside cover Inside cover Fi

Series 780S Instruction Manual Chapter 3 Operation IM-78S-C 3-3 Using the Smart Electronics Basic Features This section covers the basic features of

Chapter 3 Operation Series 780S Instruction Manual 3-4 IM-78S-C LCD Display Programming Menu Version Serial No.Sierra Flow MeterCurrent flow rate

Series 780S Instruction Manual Chapter 3 Operation IM-78S-C 3-5 Single-Digit LED Programming Menu FUNCTION AssignmentsVersionVoltage SpanVoltage

Chapter 3 Operation Series 780S Instruction Manual 3-6 IM-78S-C Entering Alarm Parameters Use the High Alarm and Low Alarm function to set or adjust

Series 780S Instruction Manual Table of Contents IM-78S-C 0-3 Table of Contents Chapter 1 Introduction Series 780S Flat-Trak Mass Flow Meters ...

Series 780S Instruction Manual Chapter 3 Operation IM-78S-C 3-7 3. Adjust the UP or DOWN button until the DVM indicates the desired setpoint voltag

Chapter 3 Operation Series 780S Instruction Manual 3-8 IM-78S-C 3. Adjust the UP or DOWN button until the DVM indicates the desired K-factor val

Series 780S Instruction Manual Chapter 3 Operation IM-78S-C 3-9 User Full Scale Adjustment The user full scale (UFS) feature adjusts the flow meter

Chapter 3 Operation Series 780S Instruction Manual 3-10 IM-78S-C 4. Press FUNCTION to advance to the next option, or after 12 seconds of non-activi

Series 780S Instruction Manual Chapter 3 Operation IM-78S-C 3-11 Totalizer Reset If your device is equipped with the optional LCD display, reset the

Chapter 3 Operation Series 780S Instruction Manual 3-12 IM-78S-C Using the Smart Electronics Advanced Features Zero and span (Function 1 through 4)

Series 780S Instruction Manual Chapter 3 Operation IM-78S-C 3-13 3. After 12 seconds of non-activity, the meter returns to the Run Mode and the new

Chapter 3 Operation Series 780S Instruction Manual 3-14 IM-78S-C Note: when adjusting zero the current signal will be driven to 4 mA and when adjust

Series 780S Instruction Manual Chapter 3 Operation IM-78S-C 3-15 Instrument Validation System electronics are verified by injecting a known input va

Chapter 3 Operation Series 780S Instruction Manual 3-16 IM-78S-C Electronics Validation Procedure 1. Verify the flow meter is off line from any rem

Table of Contents Series 780S Instruction Manual 0-4 IM-78S-C Sensor Validation Procedure ... 3-18 Chap

Series 780S Instruction Manual Chapter 3 Operation IM-78S-C 3-17 10. Place the J1 Cal/Run jumper in the RUN position. Make sure the jumper is secure

Chapter 3 Operation Series 780S Instruction Manual 3-18 IM-78S-C Sensor Validation Procedure 1. Locate the Ro temperature (measured resistance at

Series 780S Instruction Manual Chapter 3 Operation IM-78S-C 3-19 7. Calculate Rfinal by subtracting Column 1 from Column 2. Enter the value in Colu

Series 780S Instruction Manual Chapter 4 Troubleshooting & Repair IM-78S-C 4-1 Chapter 4 Troubleshooting and Repair Troubleshooting the Flow Me

Chapter 4 Troubleshooting & Repair Series 780S Instruction Manual 4-2 IM-78S-C Problem Possible Cause Solution Velocity measurement is er-ra

Series 780S Instruction Manual Chapter 4 Troubleshooting & Repair IM-78S-C 4-3 Returning Equipment to Factory Factory Calibration—All Models S

Chapter 4 Troubleshooting & Repair Series 780S Instruction Manual 4-4 IM-78S-C 7. Ship the unit(s) to the following address: Sierra Instrumen

Series 780S Instruction Manual Appendix A Specifications IM-78S-C A-1 Appendix A Product Specifications Performance Specifications Accuracy ± 2% o

Appendix A Specifications Series 780S Instruction Manual A-2 IM-78S-C Leak Integrity 1 X 10–4 atm cc/sec of helium maximum Power Requirements 1

Series 780S Instruction Manual Table of Contents IM-78S-C 0-5 Warnings and Cautions Warning! Agency approval for hazardous location installation

Series 780S Instruction Manual Chapter 1 Introduction IM-78S-C 1-1 Chapter 1 Introduction Series 780S Flat-Trak™ Mass Flow Meters Sierra’s Series 78

Chapter 1 Introduction Series 780S Instruction Manual 1-2 IM-78S-C Note and Safety Information We use note, caution and warning statements throughou

Series 780S Instruction Manual Chapter 1 Introduction IM-78S-C 1-3 The Series 780S Flow Sensing Principle Sierra’s unique Steel-Trak™ sensor probe i

Chapter 1 Introduction Series 780S Instruction Manual 1-4 IM-78S-C Smart Electronics Features Instrument Validation Two simple tests offer full “fie