300 User Manual V0.82
Contents
1. STM 300C 2 3 1 Interface supply voltage For digital communication with other circuitry peripherals the digital I O configured pins of the mixed signal sensor interface ADIOO to ADIO7 and the pins of the serial interface SCSEDIOO SCLKDIO1 WSDADIO2 RSDADIO3 may be operated from supply voltages different from DVDD Therefore an interface supply voltage pin IOVDD is available which can be connected either to DVDD or to an external supply within the tolerated voltage range of IOVDD Please note that the wristwatch XTAL I Os WXIDIO and WXODIO are al ways supplied from UVDD If DVDD OV e g in any sleepmode and IOVDD is supplied there may be unpre dictable and varying current from IOVDD caused by internal floating nodes It must be taken care that the current into IOVDD does not exceed 10 mA while DVDD OV If DVDD O0V and IOVDD is not supplied do not apply voltage to any above men tioned pin This may lead to unpredictable malfunction of the device IOVDD voltage must not exceed VDD voltage A malfunction of the module may be caused by such inverse supply AN For I O pins configured as analog pins the IOVDD voltage level is not relevant 2 3 2 Analog and digital inputs Parameter Conditions Notes Min Typ Max Units Analog I nput SEN a S Hesston Measurement bandwidth te ST emmer i EE 1 kHz pes ees A RGND 1 kHz Effective measurement resolution Configurable see 2 8 2 6 10 bit Related to the2. 1 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 12 32 USER MANUAL Green Smart Wireless enocean Voltage Limiter STM 300 provides a voltage limiter which limits the supply voltage VDD of STM 300 to a value VDDLIM which is slightly below the maximum VDD ratings by shunting of sufficient current Threshold detector STM 300 provides an ultra low power ON OFF threshold detector If VDD gt VON it turns on the ultra low power regulator UVDD the watchdog timer and the WAKE pins circuitry If VDD lt VOFF it initiates the automatic shut down of STM 300 2 7 Charge control output CCO After startup STM 300 provides the output signal of the threshold detector at CCO CCO is supplied by UVDD The output value remains stable also when STM 300 is in deep sleep mode Behavior of CCO At power up TRISTATE until VDD gt VON then HIGH if VDD gt VON then HIGH if VDD lt VON then LOW if VDD lt 0 9 V TRISTATE until next power up VDD VDD CCo 7 zm VDD lt VON VON 1 VDD lt VOFF i An fl nd e an High DEET WS e n S A E N WEN D Impe dance For definition of VON and VOFF please refer to 2 6 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 13 32 USER MANUAL VU SA Green Smart Wireless enocean STM 300 STM 300C 2 8 Configuration 2 8 1 Configuration via pins The encoding input pins have to be left open or
3. Antenna type Mandatory for radio approval Center Frequency 868 3 MHz Mandatory for radio approval 50 Ohm Mandatory for radio approval Large size 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 22 32 USER MANUAL Green Smart Wireless enocean AN For 315 MHz modules STM 300C and TCM 3X0C please note that a full approval is needed if modules are used with antennas other than the specified whip an tenna 3 5 2 Whip antenna 315 MHz Antenna 150 mm wire connect to RF_WHIP Minimum GND plane 50 mm x 50 mm Minimum distance space 10 mm 868 MHz Antenna 86 mm wire connect to RF_WHIP Minimum GND plane 38 mm x 18 mm Minimum distance space 10 mm 60 8 tinned 0 5 2 5 z sr bared twisted and tinned Cu wire LiY according to VDE 0812 or 0245 CI 5 or CI 6 Insulation PVC mixture TI2 according to VDE 0207 4 orange iver Specification of the whip antenna L 150 mm 315 MHz L 86 mm 868 MHz 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 23 32 USER MANUAL Green Smart Wireless enocean 3 5 3 Chip antenna in preparation 3 5 4 Splatch antenna in preparation 3 5 5 Helical antenna in preparation 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 24 32 USER MANUAL V0 82 Green Smart Wireless enocean STM 300 STM 300C 3 6 Layout recommendations for foot pattern
4. Type Manufacturer ID defined by manufacturer REO 2 set to O module identifier Byte3 module identifier Byte2 module identifier Byte1 module identifier ByteQO ID_BYTE3 ID_BYTE2 ID_BYTE1 ID_BYTEO 2 10 Transmit timing The setup of the transmission timing allows avoiding possible collisions with data packages of other EnOcean transmitters as well as disturbances from the environment With each transmission cycle 3 identical subtelegrams are transmitted within 40ms The transmission of a subtelegram lasts approximately 1 2 ms The delay between the three transmission bursts is affected at random transmissions is stopped and a new series of telegrams with new valid measure A If a new wake up occurs before all sub telegrams have been sent the series of ment values is transmitted 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 17 32 USER MANUAL V0 82 STM 300 STM 300C 2 11 Energy consumption i dea reless enocean 100 Se 4 2 CH wesch Current mA 0 001 0 0001 0 00001 20 30 40 50 Time ms 60 70 80 90 100 Current Consumption of STM 300 Charge needed for one measurement and transmit cycle 130 uC Charge needed for one measurement cycle without transmit 30 uC current for external sensor circuits not included From these values the following performance parameters have been calculated Requir
5. since this may result in allowed ERP or spurious emission levels being exceeded The final product incorporating EnOcean RF modules must itself meet the essential requirement of the R amp TTE Directive and a CE marking must be af fixed on the final product and on the sales packaging each Operating in structions containing a Declaration of Conformity has to be attached If the STM 300 transmitter is used according to the regulations of the 868 3 MHz band a so called Duty Cycle of 1 per hour must not be exceeded Permanent transmitters such as radio earphones are not allowed The module must be used with only the following approved antenna s Type Parameter VELIN Wire Monopole at RF_WHIP Maximum gain 1 0 dBi External antenna at RF_50 Antenna type Center Frequency 868 3 MHz 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 31 32 USER MANUAL Green Smart Wireless enocean 4 2 FCC United States certification in preparation 4 3 IC Industry Canada certification in preparation 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 32 32
6. Every change of a wake pin triggers a wake up causing a telegram trans For both wake pins it can be configured indi mission vidually if a telegram shall be sent on rising falling or both edges Manufacturer ID and EEP Information about manufacturer and type of EnOcean Equipment Profile device This feature is needed for automatic interoperability of sensors and actuators or bus systems Information how to set these parame ters requires an agreement with EnOcean Unique manufacturer IDs are distributed by the EnOcean Alliance The interface is shown in the figure below Reset PROG EN USB lt gt SPI ER ADIO7 SCSEDIOO interface Ge WSDADIO2 RSDADIO3 Dolphin Studio or EOP EnOcean provides EOPx EnOcean Programmer a command line program and Dolphin Stu dio Windows application for chip configuration programming and testing and the USB SPI programmer device as part of the EDK 300 developer s kit 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 15 32 USER MANUAL VU SA Green Smart Wireless enocealy STM 300 STM 300C 2 9 Radio telegram 2 9 1 Normal operation Telegram content seen at serial interface of RCM 130 TCM 3x0 or at DOLPHIN API ORG 0x07 Telegram type 4BS Data_Bytel 3 3x8bit mode DATA_BYTE3 Value of AD_2 analog input DATA_BYTE2 Value of AD_1 analog input DATA_BYTE1 Value of AD_O analog input 1x8bit 1x6it 1x10b
7. Sleep mode typ 0 2 HA Transmit mode typ 24 mA max 33 mA Receive mode available via API only typ 33 mA max 43 mA Input Channels 4x digital input 2x WAKE input 3x analog input Resolution 3x 8 bit or 1x 10 bit 1x 8 bit 1x 6 bit Radio Regulations R amp TTE EN 300 220 STM 300 FCC CFR 47 Part 15 STM 300C 1 3 Physical dimensions PCB dimensions STM 300 STM 300C 22x19x3 1 mm Tolerances PCB outline dimensions 0 2 mm All other tolerances 0 1 mm STM 300 STM 300C pads on bottom side of PCB 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 5 32 Unless otherwise specified dimensions are in mm USER MANUAL VU SA Green Smart Wireless enocean STM 300 STM 300C 1 4 Environmental conditions Operating temperature 25 C 65 C Storage temperature 40 C 85 C Storage temperature in tape amp reel package 0 C 40 C Humidity 0 93 r h non condensing 1 5 Ordering Information Type Ordering Code Frequency STM 300 3001 D300 868 3 MHz STM 300C 3031 D300 Suited solar cells for technical details please refer to the ECS3x0 data sheet Type Ordering Code Size S3005 D305 35 0x12 8x1 1 mm ECS310 ___ S3005 D310 50 0x20 0x1 1 mm 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 6 32 am USER MANUAL Green Smart Wireless enocean 2 FUNCTI ONAL DESCRI PTI ON 2 1 Simplified
8. connected to GND in correspondence with the following connection schemes These settings are checked at every wake up Wake up cycle time cw 0 cw_1 Wake up cycle time 100 s 20 GND No cyclic wake up Redundant retransmission Via CP_O and CP_1 an internal counter is set which is decreased at every wake up signal Once the counter reaches zero the redundant retransmission signal is sent CP_O CP_1 Number of wake ups that trigger a redundant retransmission Every timer wake up signal Every 7 14 timer wake up signal affected at random iP Every 70 140 timer wake up signal affected at random No redundant retransmission A radio telegram is always transmitted after wake up via WAKE pins After transmission the counter is reset to a random value within the specified in terval According to FCC 15 231a a redundant retransmission at every timer wake up to determine the system integrity is only allowed in safety and security applications In this case the total transmission time must not exceed two seconds per hour which means that a combination with a 1 s wake up cycle time is not allowed If applied in other non safety non security applications a minimum of 10 s be tween periodic transmissions is required In addition the device has to comply with the lower field strength limits of 15 231e The limited modular approval of STM 300C is not valid in this case 2010 EnOcean www enocean com STM 300 STM 300C
9. firmware flow chart and block diagram Start Significant W Teach In change Retransmission No No No Yes Yes 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 7 32 USER MANUAL V0 82 Green Smart Wireless enocean STM 300 STM 300C RF_50 VDDLIM VDD RF WHIP Power management J LC 1S4 IKA s b 7 N WAKE1 WAKEO UVDD GND WXODIO WXIDIO GND GND GND VDD DVDD XTAL VDDLIM 46MHz GND mm balun EO3000 RSDADIO3 eee WSDADIO2 ane SCLKDIO1 HS SCSEDIOO GND PROG EN RVDD ADIOO ADIO1 ADIO2 ADIO4 ADIO5 ADIO6 ADIO7 GND gt 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 8 32 USER MANUAL V0 82 STM 300 STM 300C 2 2 Hardware pin out The figure above shows the pin out of the STM 300 hardware The pins are named accord ing to the naming of the EO3000I chip to simplify usage of the DOLPHIN API The table in section 2 3 shows the translation of hardware pins to a naming the fits the functionality of the built in firmware Green Smart Wireless enocealy 2 3 Pin description and operational characteristics STM 300 STM 300 Hardware Firmware Symbol Symbol Function Characteristics Must be connected to GND 2 1 V 4 5 V Start up voltage 2 5 V RVDD V_OUT DVDD DVDD UVDD UVDD RF supply voltage regulator output Digital supply volt age regu
10. output CCO vic c uv ee SI M Ae cc cccrresccssscuuueceesenses 13 2 8 Configuration cccieeceeeesseeee ff ffe WAR 14 2 8 1 Configuration VIA PINS nun uv Qe cc M ccccesccnnesccvsccuceseessecuuueceveeennes 14 2 8 2 Configuration via Serial Imtertace EA un VEER EEN 15 2 9 Radio telegraf aa cece eee E Mi B A KEREN RENE E 16 2 9 1 Normal operatton Aaen AQ QD rece ip KEREN E 16 2 9 2 Tach in telegram gf A R A8 ENN NNN KEREN 17 2 10 Transmit TIMING EE TE EE 17 2 11 Energy consumption E en EE 18 APPLICATIONS INFORMATIONS 2p occ ENNER NNN NNN KEEN RENE EEN NNN 19 3 1 How to connect an energy harvester and Energy storagde 19 3 2 Using the SCO pin WEE TEE 20 3 3 Using the WAKE ping Menn IER RENE KEEN NNN NEE KENNEN 20 3 4 Re te RVDD EE See oe ee ere er er 21 3 5 Antenna Options QB amp nf EE eee ences EE essen EEN EEN EEN 22 Iel OVENVICW fer Sarre ts Sen eee ete tee re eee ee ee ee 22 3 5 2 Whip antegiia Re eee EE 23 3 5 3 Chip Ch Zeile ie TEE 24 3 5 4 Splatch antenna in PrePAFration ccccccccccccccnseeeeeeeeesecegneaaneeeeettecgggennrtes 24 3 5 5 Helicakbantenna in preparation cccsccccssccureccccsccuuusccveecssesecausuuureseessesgaveaanrs 24 3 6 Layout recommendations for foot pDatterm 25 3 7 Solder information he er ere er err re 28 3 8 Tape amp Reebspecification cc ccccccccrtcceseenenteeeeeecenneeneeeeesseeaaueaatteesetteeggaannnye 2
11. reference Relative measurement accuracy voltage within specified input range Digital Input Mode GE TT Tenuen eu 54 85 ko 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 11 32 USER MANUAL VU SA Green Smart Wireless enocean STM 300 STM 300C 2 4 Absolute maximum ratings non operating Symbol Parameter Min Max Units VDD 0 5 55 V Supply voltage for mixed signal sensor interface and serial interface pins GND Groundconnection LH 0 v VIND1 Voltage at RESET WAKEO 1 and every digital input 0 5 3 6 V pin except WXIDIO WXODIO VIND2_ Voltage at WXIDIO WXODIO input pin 2 5 Maximum ratings operating Symbol Parameter Min ax Snits VDD VOFF e 5 IOVDD Digital interface supply voltage see also 2 3 1 GND Ground connection Voltage at every analog input pin Voltage at RESET WAKEO 1 and every digital input pin except WXIDIO WXODIO VIND2 Voltage at WXIDIO WXODIO input pin Po Teao ae 2 6 Power management and voltage regulators Symbol Parameter Conditions Notes Min Typ Max Units Voltage Regulators Ripple on VDD where 50 MVpp UVDD _ Ultra Low Power suppl IV RVDD RF supply e 8 v DVDD Digitalsupply ef v Voltage Limiter _ __ gt o Voltage Limiter VLIM _ Limitation voltage LE v ILIM _ Shunting current 5 mA Threshold Detector Threshetd Detector OT EEN EEN eS Automatic Lesen if 1 35 7 9 z
12. 0603 74279205 0805 from W rth During radio transmission and reception only small currents may be drawn I lt 100 pA Pulsed current drawn from RVDD has to be avoided If pulsed currents are necessary suffi cient blocking has to be provided 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 21 32 USER MANUAL V0 82 Green Smart Wireless enocean STM 300 STM 300C 3 5 Antenna options 3 5 1 Overview Several antenna types have been investigated by EnOcean They all have advantages and disadvantages as shown in the following table Advantages Disadvantages Whip Antenna 15 cm 315 MHz 8 5 cm 868 MHz Cheap Automatic placement difficult Omnidirectional Bending influences performance Chip Antenna AMD1103 STO1 315 MHz 868 MHz Omnidirectional Expensive Very sensitive to environment GND Small size plane components minimum distance Space to other components needed Automatic placement possible Splatch Antenna ANT 315 SP1 315 MHz ANT 868 SP1 868 MHz Omnidirectional Expensive Not very sensitive to environment low dis tance space to other components required Automatic placement possible Helical Antenna ANT 315 HE 315 MHz Omnidirectional Large distance Space to other compo nents required Cheap Large size 3D Through hole component no SMT 868 MHz modules used in Europe do not need additional approval if the external antenna fulfils the following requirements
13. 9 5 2 Trans MiSS lOnN WARIO eerren E EE EA 30 AGENCY CERT TE Cae ION EE 31 Alt Eege E EE 31 4 2 FCC United States certification in preparation cc cee cc eee eeeeeeeeeeeeeeeeeeeeaaaes 32 4 3 IC Industry Canada certification in preparation s sesessssssrsrrrrrrnrernrnrnrerenne 32 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 3 32 USER MANUAL Green Smart Wireless enocean 1 GENERAL DESCRI PTI ON 1 1 Basic functionality The extremely power saving RF transmitter module STM 300 of EnOcean enables the realization of wireless and maintenance free sensors and actuators such as room operating panels motion sensors or valve actuators for heating control Power supply is provided by an external energy harvester e g a small solar cell e g EnOcean ECS 3x0 or a thermal harvester An energy storage device can be connected externally to bridge periods with no supply from the energy harvester A voltage limiter avoids damaging ofthe module when the sup ply from the energy harvester gets too high The module provides a user configurable cyclic wake up After wake up a radio telegram input data unique 32 bit sensor ID checksum will be transmitted in case of a change of any digital input value compared to the last send ing or in case of a significant change of measured analogue values different input sensitivi ties can be selected In case of no relevant input change aredundant r
14. Section 2 7 and 2 3 2 modified Section 3 4 inserted recommended foot pattern added in 3 6 new drawing in 1 3 section 3 8 Tape amp Reel spec added RX sensitivity reduced to 93 dBm Max ripple at VDD reduced to 50 mVpp Connect external 1 kO pull down to RE SET and PROG EN o SH 75 Published by EnOcean GmbH Kolpingring 18a 82041 Oberhaching Germany www enocean com info enocean com 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 specifica tions 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 modules not for the described applications processes and circuits EnOcean does not assume responsibility for use of modules described and limits its liability to the replacement of modules determined to be defective due to workmanship Devices or systems containing RF components must meet the essential requirements of the local legal authorities The modules 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 C
15. Top layer 18 95 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 25 32 USER MANUAL Green Smart Wireless enocean Solder resist top layer USER MANUAL Green Smart Wireless enocean Solder paste top layer The data above is also available as EAGLE library 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 27 32 USER MANUAL Green Smart Wireless enocean 3 7 Soldering information STM 300 has to be soldered according to IPC JEDEC J STD 020C standard Profile Feature Pb Free Assembly Average Ramp Up Rate TSmax tO Tp 3 C second max Preheat Temperature Min TSmin 150 C Temperature Max TSmax 200 C Time tS in tO tSmax 60 180 seconds Time maintained above Temperature T 217 C Time t 60 150 seconds Peak Classification Temperature Tp 260 C Time within 5 C of actual Peak Temperature tp 20 40 seconds Ramp Down Rate 6 C second max Time 25 C to Peak Temperature Note 1 All temperatures refer to topside of the package measured on the package body surface Kei Critical Zone T to Tp ARI batt Temperature gt H H A A 1 M t 25 C to Peak Time gt IPC 020C 5 1 STM 300 shall be handled according to Moisture Sensitivity Level MSL4 which means a floor time of 72 h STM 300 may be soldered on
16. USER MANUAL February 11 2010 Green Smart Wireless enocean Observe precautions Electrostatic sensitive devices Patent protected W098 36395 DE 100 25 561 DE 101 50 128 WO 2004 051591 DE 103 01 678 A1 DE 10309334 WO 04 109236 WO 05 096482 WO 02 095707 US 6 747 573 US 7 019 241 EnOcean GmbH Phone 49 89 67 34 689 0 Kolpingring 18a Fax 49 89 67 34 689 50 82041 Oberhaching info enocean com Germany www enocean com Subject to modifications STM 300 STM 300C User Manual V0 82 February 11 2010 6 08 PM Page 1 32 USER MANUAL VU SA Green Smart Wireless enocean STM 300 STM 300C REVISION HISTORY The following major modifications and improvements have been made to the first version of this document N Major Changes Chapter 4 Agency certifications modified Chapter 2 8 1 Order of Data Bytes for 10 8 6 bit option modified Drawing in 1 3 corrected Chapter 3 4 and 3 5 modified Charging circuit in chapter 3 1 modified A Additional function on pin WXIDIO charging circuit in chapter 3 1 modified pro grammable delay time for measurement added in 2 8 2 operating temperature range limited to 25 C 85 C deep sleep current increased to 0 2 yA RX sensi tivity reduced to 94 dBm Layout recommendation in 3 5 modified Maximum Rat ings non operating modified in 2 4 Maximum Ratings operating added in 2 5 ECS 3x0 solar cells mentioned Receive current increased to typ 33 mA
17. User Manual V0 82 Page 14 32 USER MANUAL V0 82 Green Smart Wireless enocealy STM 300 STM 300C 2 8 2 Configuration via serial interface Via the programming interface the configuration area can be modified This provides a lot more configuration options Values set via serial interface override hardware settings These settings are read after RESET or power on reset only and not at every wake up of the module Parameter Configuration Configuration via pins via serial interface Wake up cycle See section 2 8 1 Value can be set from 1 s to 65534 s Redundant See section 2 8 1 Min Max values for random interval Retransmission cycle If Min Max gt random switched off Threshold values for The default values are 5 LSB at AD_1 input 6 analog inputs LSB at AD_O and 14 LSB at AD_2 The threshold value can be set between 0 and full scale for every input individually Resolution of the analog Default AD_O 8 bit AD_1 8 bit AD_2 8 bit inputs Option AD_O 10 bit AD_1 6 bit AD_2 8 bit Input mask A digital input mask for ignoring changes on digital input pins At default all input bits are checked Delay time between SCO on Value can be set from O ms to 508 ms in steps and sampling moment of 2 ms Default delay time is 2 ms Source of AD_2 Select if AD_2 contains measurement value of external ADIO2 pin or from internal VDD 4 Polarity of SCO signal No Polarity can be inversed No Edge of wake pin change
18. e recommendation for C1 is TAJY477K006XNJ from AVX low leakage current The current consumption of this control circuit is very low During capacitors charging the current consumption of the charger is about lt 0 5 uA In times where no external supply voltage is available e g at night only a negligible continuous current of about lt 20 nA is required by this circuit For a detailed description of the circuit and more information on various energy harvesters and energy storages please refer to our detailed application notes on this topic 3 2 Using the SCO pin STM 300 provides an output signal at SCO which is suited to control the supply of the sen sor circuitry This helps saving energy as the sensor circuitry is only powered as long as necessary In the default configuration SCO provides a HIGH signal 2 ms delay time be fore the analog inputs are read Via the serial interface see 2 8 2 it is possible to adjust the delay time and also the polarity of the signal TIA S11555 SCO i STM300 x GND Sensor circuit GND DVDD GND The figure above shows how the SCO pin with default polarity can be used to control an external sensor circuit Do not supply sensors directly from SCO as this output can only provide maximum Z i 15 pA 3 3 Using the WAKE pins The logic input circuits of the WAKEO and WAKE1 pins are supplied by UVDD and therefore also usable in Deep Sleep Mode or Flywheel Sleep Mode v
19. ed reload time at 200 lux within 24 h for continuous op eration storage too small storage too small Operation Time in darkness h when storage fully charged Wake cycle Transmit s interval storage too small storage too small 21 16 8 7 8 3 6 3 Assumptions Current in pA required for con tinuous operation Illumina tion level in lux for continuous operation 24 h operation after 6 h illumination at x lux storage too small storage too small storage too small storage too small 700 560 260 120 100 m Storage PAS614 with 0 25 F Umax 3 2 V Umin 2 2 V Consumption Transmit cycle 100 uC measurement cycle 30 uC m Indoor solar cell operating values 3 V and 5 pA 200 lux fluorescent light ECS 300 solar cell m Current proportional to illumination level not true at very low levels These values are calculated values the accuracy is about 20 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 18 32 USER MANUAL V0 82 Green Smart Wireless enocean STM 300 STM 300C 3 APPLI CATI ONS I NFORMATI ON 3 1 How to connect an energy harvester and energy storage STM 300 is designed for use with an external energy harvester and energy storage In order to support a fast start up and long term operation with no energy supply available usually two different storages are used The small storage fills quickly and allows a fast start up The large
20. etransmission signal is sent after a user configurable number of wake ups to announce all current values In addition a wake up can be triggered externally Features with built in firmware 3 A D converter inputs 4 digital inputs Configurable wake up and transmission cycle Wake up via Wake pins Voltage limiter Threshold detector Application notes for calculation of energy budgets and management of external energy storages Product variants m STM 300 300C SMD mountable module for use with external antenna 868 315 MHz Features accessible via API Using the Dolphin API library it is possible to write custom firmware for the module STM 300 STM 300C is in system programmable The API provides Integrated 16 MHz 8051 CPU with 32 KB FLASH and 2 kB SRAM Receiver functionality Various power down and sleep modes down to 0 2 WA current consumption Up to 16 configurable I Os 10 bit ADC 8 bit DAC 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 4 32 USER MANUAL Green Smart Wireless enoceal 1 2 Technical data Antenna External whip or 50 Q antenna mountable Frequency 315 0 MHz STM 300C 868 3 MHz STM 300 Radio Standard EnOcean 868 MHz 315 MHz Data rate Modulation type 125 kbps ASK Receiver Sensitivity at 25 C typ 93 dBm receiver available only via API Conducted Output Power typ 5 dBm Power Supply 2 1 V 4 5 V 2 5 V needed for start up Current Consumption Deep
21. ia API only Due to current minimization there is no internal pull up or pull down at the WAKE pins When STM 300 is in Deep Sleep Mode or Flywheel Sleep Mode via API only and the logic levels of WAKEO and or WAKE1 is changed STM 300 starts up As the there is no internal pull up or pull down at the WAKE pins it has to be en sured by external circuitry that the WAKE pins are at a defined logic level at any AX A When using the UVDD regulator output as source for the logic HIGH of the WAKE pins it is strongly recommended to protect the ultra low power UVDD voltage regulator against accidental excessive loading by connection of an external 1 8 MQ series resistor 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 20 32 am USER MANUAL Green Smart Wireless enocean GND GNDGND STM30QCC The figure above shows two examples how the WAKE inputs may be used When the LRN button is pressed WAKE1 is pulled to GND and a teach in telegram is transmitted As long as the button is pressed a small current is flowing from UVDD to GND WAKEO is connected to a toggle switch There is no continuous flow of current in either po sition of the switch 3 4 Using RVDD If RVDD is used in an application circuit a serial ferrite bead shall be used and wire length should be as short as possible lt 3cm The following ferrite beads have been tested 74279266
22. it mode DATA_BYTE3 Value of AD_2 DATA_BYTE2 Upper 2 bits of AD_O and value of AD_1 DATA_BYTE1 Lower 8 bits Value of AD_O analog input DATA_BYTE3 DATA_BYTE2 DATA_BYTE1 AD_1 AD_0 DATA_BYTEO Digital sensor inputs as follows Bit 7 Bit O DI_2 ID_BYTE3 ID_BYTE2 ID_BYTE1 ID_BYTEO module identifier Byte3 module identifier Byte2 module identifier Byte1 module identifier Byte0 The voltages measured at the analog inputs can be calculated from these values as follows U Value of AD_x 2 x1 8 V n resolution of channel in bit 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 16 32 USER MANUAL V0 82 Green Smart Wireless enocean STM 300 STM 300C 2 9 2 Teach in telegram In case a manufacturer code is programmed into the module the module transmits in stead of transmitting a normal telegram a dedicated teach in telegram if digital input DI_3 0 at wake up or m wake up via WAKE1 pin LRN input With this special teach in telegram it is possible to identify the manufacturer of a device and the function and type of a device There is a list available from the EnOcean Alliance describing the functionalities of the respective products If no manufacturer code is programmed the module does not react to signal changes on WAKE1 LRN input ORG 0x07 Telegram type 4BS DATA_BYTEO 3 see below LRN Type 1 LRN 0 DIO DI2 current status of digital inputs Profile
23. ke up See also 2 3 2 STM 300 STM 300C User Manual V0 82 Page 9 32 bh USER MANUAL Green Smart Wireless enocean STM 300 STM 300C See also 2 3 2 LE Transmission Max output current indicator LED 2 mA IOVDD 3 3 V 0 65 mA IOVDD 1 8 V Programming F C I_3 D SCSEDIOO Encoding input for Leave open or connect to GND wake up cycle WO i Programming F S SCLKDIO1 Encoding input for Leave open or connect to GND wake up cycle Programming F of WSDADIO2 CP_1 Leave open or connect to GND retransmission Programming UE Ir RSDADIO3 CP_O Encoding input for Leave open or connect to GND retransmission Programming V F S O DO WXIDIO SCO Sensor control Digital output max current 15 pA HIGH x ms before analog inputs are read x 0 508 ms default 2 ms LOW at wake up and after reading of analog inputs Polarity can be inverted delay time can be programmed see 2 8 2 See 2 7 for description of behaviour transmission of a telegram See also 3 3 WAKE1 LRN LRN input Change of logic state to LOW leads to wake up and transmission of teach in tele gram if a manufacturer code is pro grammed See also 2 9 2 and 3 3 RF_WHIP RE WHIP RF output Output for whip antenna RF_50 RF_50 RF output 50 Ohm output for external antenna 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 10 32 USER MANUAL V0 82 Green Smart Wireless enocealy STM 300
24. lator out put Ultra low power supply voltage regulator output Maximum ripple see 0 1 8 V Output current max 10 mA See 3 4 Supply for external circuitry available while not in deep sleep mode 1 8 V Output current max 5 mA Supply for external circuitry available while not in deep sleep mode Not for supply of external circuitry For use with WAKE pins see section 3 3 Max 1 WA output current VDDLIM VDDLIM Supply voltage Limitation voltage 4 5 V limiter input Maximum shunting current 50 mA IOVDD IOVDD Digital interface supply voltage Must be connected to desired interface supply between 1 8 V and 3 3 V e g to DVDD See also 2 3 1 RESET RESET Reset input Active high reset 1 8 V Programming I F External 1 kQ pull down required PROG_EN PROG_EN ADIOO Analog input ADIO1 Analog input ADIO2 Analog input ADIO3 Digital input ADIO4 Digital input ADIO5 Digital input 2010 EnOcean www enocean com Programming I F HIGH programming mode active LOW operating mode Digital input external 1 kQ pull down re quired Input read 2 ms after wake up Resolution 8bit See also 2 3 2 Input read 2 ms after wake up Resolution 8bit default or 10 bit See also 2 3 2 Input read 2 ms after wake up Resolution 8 bit default or 6 bit See also 2 3 2 Input read 2 ms after wake up See also 2 3 2 Input read 2 ms after wake up See also 2 3 2 Input read 2 ms after wa
25. ly once since one time is already consumed at production of the module itself Once the dry pack bag is opened the desired quantity of units should be removed and the bag resealed within two hours If the bag is left open longer than 30 minutes the desiccant Should be replaced with dry desiccant If devices have exceeded the specified floor life time of 72 h they may be baked according IPC JEDEC J STD 033B Devices packaged in moisture proof packaging should be stored in ambient conditions not exceeding temperatures of 40 C or humidity levels of 90 r h STM 300 modules have to be soldered within 6 months after delivery 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 28 32 USER MANUAL 3 8 Tape amp Reel specification 32t 2010 EnOcean www enocean com Green Smart Wireless enocean measuring plane for cavity dimensions Sane gt WwW STM 300 STM 300C User Manual V0 82 Page 29 32 USER MANUAL V0 82 Green Smart Wireless enocealy STM 300 STM 300C 3 9 Transmission range The main factors that influence the system transmission range are type and location of the antennas of the receiver and the transmitter type of terrain and degree of obstruction of the link path sources of interference affecting the receiver and Dead spots caused by signal reflections from nearby conductive objects Since the expected transmission range strongly depends on this
26. omponents of the modules 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 pack ing 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 in voice you for any costs incurred 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 2 32 USER MANUAL V0 82 Green Smart Wireless enocealy STM 300 STM 300C TABLE OF CONTENT 1 GENERAL Ee 4 1 1 Basic f nctHonality E 4 l2 Eeler Gal EE 5 1 3 Physical CIMENSIONS EE SE 5 1 4 Environmental CONCITIONS ccccccccseesceesecsscccuesccrressseeccsscccessN besscavsccuresssssecuaes 6 1 5 Ordering Information sssssssssssessssnsnenrrnrnrnneneneene ss fen A KEREN 6 FUNCTIONAL DESCRIPFION Ee EE 7 2 1 Simplified firmware flow chart and block dagram ENEE 7 22 Hardware Pin e E EE REN BE ea aA 9 2 3 Pin description and operational characteristics NENNEN ENN 9 2 3 1 Interface supply voltage ak KENNEN AA hun uv gn Apps ccsesccssccuuuncaeseenes 11 2 3 2 Analog and digital inDuts ka KENNEN reece A ff B NEE 11 2 4 Absolute maximum ratings NON operating ENNEN 12 2 5 Maximum ratings operating ua KEEN Qu A 8 ae E 12 2 6 Power management and voltage regulatore AAA 12 2 7 Charge control
27. rs audio and video equipment that also emit high frequency signals should be at least 0 5m A summarized application note to determine the transmission range within buildings is available as download from www enocean com 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 30 32 USER MANUAL VU SA Green Smart Wireless enoceal STM 300 STM 300C 4 AGENCY CERTI FI CATI ONS The modules have been tested to fulfil the approval requirements for CE STM 300 and FCC IC STM 300C based on the built in firmware When developing customer specific firmware based on the API for this module special care must be taken not to exceed the specified regulatory limits e g the duty cycle limitations 4 1 CE Approval The STM 300 module bears the EC conformity marking CE and conforms tothe R amp TTE EU directive on radio equipment The assembly conforms to the European and national re quirements of electromagnetic compatibility The conformity has been proven and the ac cording documentation has been deposited at EnOcean The modules can be operated with out notification and free of charge in the area of the European Union and in Switzerland A EnOcean RF modules must not be modified or used outside their specifica tion limits EnOcean RF modules may only be used to transfer digital or digitized data Analog speech and or music are not permitted EnOcean RF modules must not be used with gain antennas
28. storage fills slowly but once it is filled up it provides a large buffer for times where no energy is available e g at night in a solar powered sensor STM 300 provides a digital output CCO see also 2 7 which allows controlling the charging of these two storages At the beginning as long as the voltage is below the VON voltage only the small storage is filled Once the threshold is reached the CCO signal changes and the large storage is filled The short term storage is usually in the range of 470 uF For the long term storage we suggest a gold cap with a capacity of 0 25 F Below an overview and the schematics of a charging circuitry is shown Solar Panel e g ECS 3x0 Charge Management STM 300 CCO Long Short term term storage storage VDD BSS84 BAT854AW Solar Panel Q1 D2A RS Ge VY o28 DP GND 10M 10nF DIA GND BAT854CW NCP300LSN30 T1B d F LJ RESET INPUT E TIA i BC847 9 ct STM300 VDDLIM E It is important to use matched diode pairs for D2 This circuit is designed for energy storages specified up to 3 3 V e g PAS614L NCP300OLSN30 is limiting the voltage at C2 lt 3 3 V to avoid damaging of the energy stor age In case a different voltage limit is needed this component has to be exchanged by a suited variant 2010 EnOcean www enocean com STM 300 STM 300C User Manual V0 82 Page 19 32 USER MANUAL V0 82 Green Smart Wireless enocean STM 300 STM 300C Th
29. system conditions range tests should categorically be performed before notification of a particular range that will be attainable by a certain application The following figures for expected transmission range are considered by using a PTM a STM or a TCM radio transmitter device and the TCM radio receiver device with preinstalled whip antenna and may be used as a rough guide only Line of sight connections Typically 30 m range in corridors up to 100 m in halls Plasterboard walls dry wood Typically 30 m range through max 5 walls Line of sight connections Typically 30 m range in corridors up to 100 m in halls Ferroconcrete walls ceilings Typically 10 m range through max 1 ceiling Fire safety walls elevator shafts staircases and supply areas should be considered as screening The angle at which the transmitted signal hits the wall is very important The effective wall thickness and with it the signal attenuation varies according to this angle Signals Should be transmitted as directly as possible through the wall Wall niches should be avoided Other factors restricting transmission range Switch mounted on metal surfaces up to 30 loss of transmission range Hollow lightweight walls filled with insulating wool on metal foil m False ceilings with panels of metal or carbon fiber m Lead glass or glass with metal coating steel furniture The distance between EnOcean receivers and other transmitting devices such as com pute
Download Pdf Manuals
Related Search