User's Manual

Table of Contents

1. GENERAL DESCRIPTION ______________________________________________________________ 4

1.1 Basic Functionality __________________________________________________________________ 4

1.2 Typical Applications_________________________________________________________________ 5

1.3 Features Overview __________________________________________________________________ 5

1.4 Dimensions of Reed Contact Unit __________________________________________________ 6

1.5 Dimensions of Magnet Unit _________________________________________________________ 8

1.6 Environmental Conditions __________________________________________________________ 9

1.7 Ordering Information _______________________________________________________________ 9

2. FUNCTIONAL DESCRIPTION __________________________________________________________ 10

2.1 Block Diagram______________________________________________________________________ 10

2.2 Solar Energy Balance Calculation _________________________________________________ 12

2.3 STM 250 Radio Telegram __________________________________________________________ 15

2.5 Serial Data Communication via Receiver Device RCM 120 _______________________ 17

2.6 Learn Pushbutton – Learning of STM 250 to a Receiver _________________________ 18

3. APPLICATIONS INFORMATION _______________________________________________________ 19

3.1 Unit Mounting ______________________________________________________________________ 19

3.2 Recommendations for Magnet Positioning _______________________________________ 19

3.3 Transmission Range _______________________________________________________________ 21

3.4 CE Approval Requirements ________________________________________________________ 21

3.5 FCC/IC Approval Requirements ___________________________________________________ 22

4. TOOLS __________________________________________________________________________________ 23

4.1 Evaluation Kit EVA 100 ____________________________________________________________ 23

4.2 Field Intensity Meter EPM 100 ____________________________________________________ 23

5. DECLARATION OF CONFORMITY______________________________________________________ 24

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STM 250 User Manual V1.3