USER MANUAL
STM 429J – Scavenger Transmitter Module
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STM 429J User Manual | v2.0 | Nov 2017 | Page 3/ 17
TABLE OF CONTENT
1
GENERAL DESCRIPTION ................................................................................. 4
1.1
Basic functionality ......................................................................................... 4
1.2
Technical data ............................................................................................... 4
1.3
Physical dimensions ....................................................................................... 5
1.4
References ................................................................................................... 7
1.5
Environmental conditions ............................................................................... 7
1.6
Ordering Information ..................................................................................... 7
2
FUNCTIONAL DESCRIPTION ............................................................................ 8
2.1
Block diagram ............................................................................................... 8
2.2
Radio telegram .............................................................................................. 8
2.3
Secure radio telegram .................................................................................... 8
2.3.1
Switching between modes .......................................................................... 8
2.3.2
Encrypted communication – enhanced security mode ..................................... 9
2.3.3
Security Teach-In – enhanced security mode ................................................ 9
2.3.3.1
PSK Security Teach-in - optional ......................................................... 10
2.4
Transmit timing ........................................................................................... 10
2.5
Energy consumption .................................................................................... 11
3
APPLICATIONS INFORMATION ....................................................................... 12
3.1
Antenna Details ........................................................................................... 12
3.2
Transmission range ..................................................................................... 13
3.3
Connecting an external backup battery .......................................................... 13
3.4
Mounting 429J into a housing ........................................................................ 14
3.5
PSK Labelling .............................................................................................. 15
3.5.1
Included Information: .............................................................................. 15
3.5.2
QR-Code Specification .............................................................................. 15
4
AGENCY CERTIFICATIONS ............................................................................ 16
5
Label Information ........................................................................................ 17