User's Manual

Revision History
The following major modifications and improvements have been made to the previous version
of this document (V0.9):
Version Major Changes
V1.0 • Chapter 2.5: The bits LRN and STATE in DATABYTE_3 have been inverted
• Chapter 3.2: Recommendations for suited magnets and positioning added
V1.1 • Chapter 1.5 “Physical Dimensions of Magnet Housing” added
• Chapter 2.6 “Learning” fully revised and renamed
• Chapter 2.3 “Radio Telegram” revised
• Chapter 3.2 “Recommendations for Magnet Positioning” revised
V1.2 • Chapter 2.5: The bits LRN and STATE in DATABYTE_3 have been defined in final:
(LRN=”0”:“LRN-pushbutton pressed” and STATE=”0”:“No magnet presence”)
V1.3 • ESD protection: Note added that STM250 is qualified for the use within building
automation & installation, not for industrial applications (chapter 1.2)
• Switch over time defined to ≥ 80ms (chapter 1.3)
• Cyclic presence signal time defined to 5-30 minutes, typ. 15 min (chapter 1.3)
• Update of Solar Energy Balance Calculation (chapter 1.3 and 2.2)
• Energy storage: Notes added concerning Goldcap configuration and concerning
reduced component life time at continuously operation temperatures higher than
50°C (chapter 2.2)
• Mounting note added, that the receiver unit should not be placed at the same
plane as the STM250 when STM250 is mounted on a metal surface (chapter 3.1)
V1.4 • FCC/IC Approval Requirements added (chapter 3.6)
Published by EnOcean GmbH, Kolpingring 18a, 82041 Oberhaching, Germany
www.enocean.comT, [e-mail], phone ++49 (89) 6734 6890
© EnOcean GmbH, all Rights Reserved
Important!
This information describes the type of component and shall not be considered as assured characteristics. No
responsibility is assumed for possible omissions or inaccuracies. Circuitry and specifications are subject to change
without notice. For the latest product specifications, refer to the EnOcean website: http://www.enocean.com.
As far as patents or other rights of third parties are concerned, liability is only assumed for devices, not for the
described applications, processes and circuits.
EnOcean does not assume responsibility for use of devices described and limits its liability to the replacement of
devices determined to be defective due to workmanship. Devices or systems containing RF components must meet the
essential requirements of the local legal authorities.
The devices must not be used in any relation with equipment that supports, directly or indirectly, human health or life
or with applications that can result in danger for people, animals or real value.
Components of the devices are considered and should be disposed of as hazardous waste. Local government
regulations are to be observed.
Packing: Please use the recycling operators known to you. By agreement we will take packing material back if it is
sorted. You must bear the costs of transport. For packing material that is returned to us unsorted or that we are not
obliged to accept, we shall have to invoice you for any costs incurred.
©EnOcean GmbH, A. Anders Page 2 of 24 STM 250 User Manual V1.3