USER MANUAL
PTM 216B – BLUETOOTH
®
PUSHBUTTON TRANSMITTER MODULE
© 2022 EnOcean | www.enocean.com
F-710-017, V1.0
PTM 216B User Manual | v1.0 | February 2022 | Page 9/86
Functional block diagram
Figure 3 – Functional block diagram of PTM 216B
Energy Bow / Power Generator
Converts the motion of the energy bow into electrical energy
Power Converter
Converts the energy of the power generator into a stable DC supply voltage for the device
electronics
Processor
Determines the status of the button contacts and the energy bow, encodes this status into
a data word, generates the proper radio telegram structure and sends it to the radio
transmitter
RF transmitter
Transmits the data in the form of a series of short 2.4 GHz Bluetooth Low Energy radio
telegrams using the integrated antenna
NFC interface
Allows reading and writing certain product parameters using an NFC compliant reader /
writer supporting NFC Forum Type 2 tags (as specified by ISO/IEC 14443 Part 2 and 3).
Processor
Energy
Bow
Power
Converter
Data
DC Power
Pushed /
Released
Ant
N
S
Processor
Button Contacts
Energy
Bow
Power
Converter
Data
DC Power
Push / Release
Detection
Antenna
N
S
N
S
NFC
RF Transmitter