ezPyro
TM
Pyroelectric Infrared
Flame Detection Evaluation Kits
Including Pyreos ezPyro
TM
I
2
C sensors
dPYEFL01 kit with: ePY12111, 12211, ePY12241, ePY12251
dPYEFL02 kit with: ePR44112, ePR44212, ePR44252
User Guide
Rev. 3.0
Please note: the information contained in this document is draft only and subject to change without further
notification. Pyreos reserves the right to alter the performance and any resulting specification. Pyreos may
choose not to supply any engineering sample devices as a commercial product. No responsibility is accepted
for any consequential loss incurred. Pyreos Ltd, SMC, Alexander Crum Brown Road, Edinburgh EH9 3FF, UK.
Tel: +441316507009, www.pyreos.com; © 2018 Pyreos Ltd Page 2
Contents
1 Introduction ............................................................................................................................................ 3
2 Getting started ........................................................................................................................................ 3
2.1 Hardware Variations ............................................................................................................... 3
2.2 Kit contents ............................................................................................................................. 3
2.3 Minimum system requirements ............................................................................................. 3
3 Installation .............................................................................................................................................. 4
3.1 Install the Pyreos software ..................................................................................................... 4
4 Installing the ST Microcontroller USB Driver ............................................................................................ 5
5 Installing .NET 4.5 framework ................................................................................................................. 5
5.1 Connect the ezPyro demo kit .................................................................................................. 5
6 Software user guide ................................................................................................................................ 6
6.1 Starting the software .............................................................................................................. 6
6.2 Connecting software to the Demo Kit .................................................................................... 7
6.3 ezPyro sensor settings .......................................................................................................... 10
6.4 Signal viewing ........................................................................................................................ 12
6.5 Flame Detection Algorithm ................................................................................................... 13
6.5.1 Additional Signal Viewing Features ............................................................................... 13
6.5.2 Flame Algorithm Settings .............................................................................................. 15
6.5.3 FFT Related Parameters Quick Guide ........................................................................... 16
6.5.4 Threshold Ratio and Signal Multiplier Quick Guide ...................................................... 18
6.6 Key Adjustments: .................................................................................................................. 20
6.7 MCU Based Algorithm ........................................................................................................... 21
7 Sleep and Wake-up ............................................................................................................................... 22
7.1 Sleep Mode ........................................................................................................................... 22
7.2 Wake Up Parameters The ezPyro WUP Register ............................................................... 23
8 Low Power Mode .................................................................................................................................. 24
9 Appendix ............................................................................................................................................... 25
9.1 FFT Resolution ....................................................................................................................... 25