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USER MANUAL
Energy Harvesting Magnet Contact Transmitter Module
STM 320 / STM 329 / STM 320U (Stepcode DE and later)
TABLE OF CONTENT
1RELATED DOCUMENTS ...................................................................................4
2GENERAL DESCRIPTION .................................................................................5
2.1 Basic functionality .........................................................................................5
2.2 Technical data...............................................................................................6
2.3 Physical dimensions .......................................................................................7
2.4 Environmental conditions ...............................................................................9
2.5 Ordering Information .....................................................................................9
3FUNCTIONAL DESCRIPTION .......................................................................... 10
3.1 Commissioning and mode change.................................................................. 10
3.2 Block diagram ............................................................................................. 11
3.3 Radio telegram............................................................................................ 12
3.3.1 Default configuration and standard mode ................................................... 12
3.3.2 Secure mode and secure telegram ............................................................. 12
3.3.3 Secure learn telegram .............................................................................. 13
3.4 Transmit timing........................................................................................... 13
3.4.1 Standard mode transmission timing ........................................................... 13
3.4.2 Secure mode transmission timing .............................................................. 13
3.5 Energy consumption .................................................................................... 14
3.5.1 Consumption in secure mode .................................................................... 15
3.6 Storing the Rolling code counter.................................................................... 15
4APPLICATIONS INFORMATION....................................................................... 16
4.1 Helical antenna ........................................................................................... 16
4.2 Transmission range ..................................................................................... 17
4.3 Connecting an external backup battery .......................................................... 17
4.4 Mounting STM 32x into a housing .................................................................. 18
5RADIO CERTIFICATIONS .............................................................................. 19
5.1 Radio Equipment Directive (RED) for the European Union ................................. 19
5.2 FCC (United States) certification.................................................................... 21
5.2.1 STM 320U FCC APPROVAL ........................................................................ 21
5.2.2 STM 320U FCC Grant ............................................................................... 22
5.2.3 FCC Regulatory Statements ..................................................................... 23
5.3 ISED (former Industry Canada) certification ................................................... 24
5.3.1 STM 320U Industry Canada Technical Approval Certificate ............................ 25
5.3.2 ISED (former Industry Canada) Regulatory Statements................................ 26
6Additional information .................................................................................. 27
6.1 Product label............................................................................................... 27
6.1.1 QR Code................................................................................................. 27
6.2 Rechargeable accumulator............................................................................ 28