Contents
 

• "OPENING LINES"

• "BEFORE WE START"
  1. Define the requirement
  2. Technical Implications
  3. Economic implications
  4. Really "yes" to radio ?
  5. Conducting the radio test

• "PLANNING THE SYSTEM"
  1. Achieving the i/o requirements
     1. Planning the proper amount of i/o
     2. Using analogue as digital
        1. Interfacing Analogue and Digital
     3. Planning Aids
  2. Catering for expansion
     1. I/O
     2. Space
     3. Power
  3. Supplying power
     1. Mains
     2. Solar / Wind correct installation
        1. Solar Calculator
        2. Wind-Solar Systems
     3. Powering sensors
     4. Backup battery autonomy
     5. Laying cables / centenaries
  4. Healthy Comms
     1. Ensuring the signal is heard
        1. Converting µV & dBm
        2. Understanding antenna gain
        3. Choosing the correct antenna
        4. Directional Gain antennas on LPR
     2. Regulating the transmission rates
        1. Over-tightening MODBUS timings
        2. Using Telemetry to MODBUS interface modules
        3. Reducing Radio Crowding with Multiple Systems
  5. For if it goes wrong
     1. Maintenance Schedules
     2. Creating Safe Links
  6. 0160 Other Frequency Bands
     1. Considerations for 868MHz

• "BUILDING THE SYSTEM"
  1. Bench program and test
  2. Wiring up
     1. Mains Power
     2. Wind, Solar, Wind-Solar.
        1. Elpro based Wind-Solar Powered Repeater
     3. Earth
     4. Lightning Protection
     5. Signals / Data
        1. Using Analogues as Digital
        2. Conveying and storing the Pulse Count
  3. Antenna Systems
     1. Installing connectors on Coax
     2. Assembling and Orientating Yagis
     3. Making sure the Antenna is up to the Job
     4. A few Myths and Truths
  4. For when it goes wrong
     1. Power
     2. Lighting

• "IT'S NOT WORKING, BOSS!"
  1. System = what was planned ?
     1. Was the requirement understood ?
     2. Can the system be salvaged ?
     3. Re-planning with what's available
  2. It was working till now!
     1. Separating symptom from cause
     2. Assembling the correct tools
     3. Identifying the cause
  3. Isolating the problem
     1. No / Intermittent Radio Comms
        1. Daily/Weather Graph (fading / interference)
        2. Identifying Interference
        3. Tracing Interference
        4. Curing Interference
        5. Frequency Drift or Error
        6. On The Edge!
     2. Antenna System Failures
        1. Antenna System SWR
        2. Connectors
        3. Coax Loss
     3. Wrong Readings
        1. Wrong Output Programmed
        2. Input/Output Incorrectly Configured
        3. Noise on Analogue Loops
        4. Finding Leakage
        5. Count Values
     4. SCADA (MMI/HMI) issues
        1. Faultfinding RS232 SCADA/MMI/HMI links
     5. Power Failures
        1. Work In Area
        2. Crows & Solar Panels
        3. Humans!

• "ALTERNATIVES TO RADIO TELEMETRY"
  1. Hardwire Based Systems
  2. PSTN Based Systems
  3. Cellular Based Systems