Contents
"
OPENING LINES
"
"
BEFORE WE START
"
Define the requirement
Technical Implications
Economic implications
Really "yes" to radio ?
Conducting the radio test
"
PLANNING THE SYSTEM
"
Achieving the i/o requirements
Planning the proper amount of i/o
Using analogue as digital
Interfacing Analogue and Digital
Planning Aids
Catering for expansion
I/O
Space
Power
Supplying power
Mains
Solar / Wind correct installation
Solar Calculator
Wind-Solar Systems
Powering sensors
Backup battery autonomy
Laying cables / centenaries
Healthy Comms
Ensuring the signal is heard
Converting µV & dBm
Understanding antenna gain
Choosing the correct antenna
Directional Gain antennas on LPR
Regulating the transmission rates
Over-tightening MODBUS timings
Using Telemetry to MODBUS interface modules
Reducing Radio Crowding with Multiple Systems
For if it goes wrong
Maintenance Schedules
Creating Safe Links
"
BUILDING THE SYSTEM
"
Bench program and test
Wiring up
Mains Power
Wind, Solar, Wind-Solar.
Elpro based Wind-Solar Powered Repeater
Earth
Lightning Protection
Signals / Data
Using Analogues as Digital
Conveying and storing the Pulse Count
Antenna Systems
Installing connectors on Coax
Assembling and Orientating Yagis
Making sure the Antenna is up to the Job
A few Myths and Truths
For when it goes wrong
Power
Lighting
"
IT'S NOT WORKING, BOSS!
"
System = what was planned ?
Was the requirement understood ?
Can the system be salvaged ?
Re-planning with what's available
It was working till now!
Separating symptom from cause
Assembling the correct tools
Identifying the cause
Isolating the problem
No / Intermittent Radio Comms
Daily/Weather Graph (fading / interference)
Identifying Interference
Tracing Interference
Curing Interference
Frequency Drift or Error
On The Edge!
Antenna System Failures
Antenna System SWR
Connectors
Coax Loss
Wrong Readings
Wrong Output Programmed
Input/Output Incorrectly Configured
Noise on Analogue Loops
Finding Leakage
Count Values
SCADA (MMI/HMI) issues
Faultfinding RS232 SCADA/MMI/HMI links
Power Failures
Work In Area
Crows & Solar Panels
Humans!
"
ALTERNATIVES TO RADIO TELEMETRY
"
Hardwire Based Systems
PSTN Based Systems
Cellular Based Systems
| |
Ask a Question
|
10.01.01