RF Sensor Transmitter Module STM 11x June 24, 2008
Contents
1. USER MANUAL V1 24 Green Smart Wireless enocean STM 11X 3 6 Using an Alternative Power Supply e g Battery Alternatively to the use of the supplied solar cell the module power supply input V_SC1 can be driven by another suitable external energy source The external energy source must fulfill the following requirements Parameter Min Typ Max Unit Open circuit voltage P2 ae ee a Ampacity Peak 10 mA Ampacity continuous 1 es e When using a battery please take care that the transistion resistance between bat AA tery and battery holder is lt lt 109 to avoid voltage drop A Wrong polarity will damage the module 3 7 Learn Push Button There are two fundamental methods for transmitter assignments to a receiver 1 Manual input of the transmitter ID into the receiver system 2 The receiver systems automatically learns the ID of a received radio telegram by a special teach in routine In the second case please note that cyclic sending sensors can be unintentionally learned mainly if there are some sensors in operation at the same time Because of that it is rec ommended to implement a learn procedure that is reacting to a dedicated Learn Telegram only This special learn procedure has to be realized by the system intelligence after RCM 120 serial interface RCM 130 features a special learn mode which allows to learn 4BS transmitters only with LRN bit DI 3 0 For example this can be realized as f2. EnOcean Ordering Code Freguency EPM100 3004 J100 868 MHz EnOcean GmbH Phone 49 89 67 34 689 0 Kolpingring 18a Fax 49 89 6734 689 50 82041 Oberhaching info enocean com Germany www enocean com Subject to modifications STM 11x User Manual V1 24 June 24 2008 10 12 AM Page 38 41 USER MANUAL Green Smart Wireless enocean 5 SPECI FI CATION OF SS3513 SOLAR CELL 1 SCOPE THESE SPECIFICATIONS ARE APPLICABLE FOR SINONAR AMORPHOUS SOLAR CELL SUPPLIED TO SIEMENS i 2 GENERAL FEATURES 2 1 MODEL NO S 3513Y SOLAR CELL 2 2 DIMENSIONS REFER TO DRAWING NO P1600 EDITION E ALL TOLERANCES ARE SPECIFIED ON THE DRAWING AND NUMBERS WITHOUT TOLERANCES ARE FOR REFERENCE ONLY 2 3 OPERATING TEMPERATURE RANGE 25C TO 657C 2 4 STORAGE TEMPERATURE RANGE Please Solder in 3 months 25 C TO 85 C gt 0 TO 60 RH 3 FUNCTIONAL SPECIFICATIONS at 200 Lux EL 25 C Specification Initial mp Typical _ 4 00 v Open Circuit Voltage m _ Minimum 13 85 V hort Circuit Current Typical 1 6 uA Typical Typical 3 0V 1 2uA Typical 3 0V 3 0uA Operating Voltage and Current arent Minimum 0V 1 1 wA Minimum 0V 2 9 uA Resi _ anko EL Electro Luminescent Lamp NOTICE THE INFORMATION CONTAINED IN THIS DOCUMENT IS THE PROPERTY OF SINONAR CORPORATION NO PART OF THIS DOCUMENT MAY BE PHOTOCOPIED REPRODUCED OR TRANSLATED TO ANOTHER LANGUAGE WITHOUT PRIOR WRITTEN C
3. 110 sec 20 Presence signal time Via CP_O and CP Tan internal counter is set which is decreased at every wake up signal Once the counter reaches zero the presence signal is transmitted CP_O CP_1 Number of cyclic wake up signals that trigger the presence signal Every timer wake up signal Every 10 timer wake up signal Every 100 timer wake up signal No presence signal after timer wake up A radio telegram is always transmitted after wake up via WAKE pins change compared to STM100 After transmission the presence signal counter is reset EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 16 41 USER MANUAL Green Smart Wireless enocean 2 6 Solar Energy Balance Calculation The following diagrams are showing operational performance data of STM110 Voltage V_SC2 V 10 15 20 25 oO 01 Charging time h Figure 5 Graphs of the goldcap charging process typ 25 C Measured with white light LEDs illustration of the illumination level as fluorescent lamp equiva lent EL Measured with 100s wake up timer EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page
4. 2LSB AD 0 DATA _BYTE1 max 4LSB AD_1 DATA_BYTE2 Relevant input change AD 2 DATA BYTE3 gt 5 LSBof AD 1 gt 6LSBofAD 0 gt 14 LSB of AD 2 These default values may be changed See page 22 Digital inputs sampled at every Sample moment after wake up 1 7 ms wake up 2 6 ms Real digital TTL input with internal pull up Digital inputs are transmitted change compared to STM100 within sensor DATA BYTEO LOW voltage lt 0 45 V least significant 4 bits DI 0 HIGH voltage gt 2 45V Bit 0 DI 1 Bit 1 DI 2 Bit Input impedance gt 100kQ EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 10 41 USER MANUAL V1 24 Green Smart Wireless enocean STM 11X 2 DI_3 Bit3 DI_2 and DI_3 are also used as serial interface pins for the con figuration of the module See page 20 18 WAKE A signal change of WAKE inputs Differential input capacitive 20 WAKE stops sleep mode immediately Connect to GND via switch A radio telegram is always Over only transmitted after wake up via Resistance to GND lt 100 Q WAKE pins change compared Switch over time lt lms to STM100 Minimum time between wake Signals gt 7ms Pins should be connected to V_SC1 if not needed in application max external allowed leakage current 100pA E
5. A calibrated contact type temperature meter e g Anritsu Model No HL 100 Materials Pb free solder wire Sn96 5 Ag3 0 Cu0 5 2 0 8 mm e g Kester 245 Lead wire Dependent on the type of solar cell use 20 30 AWG multi threads stranded type For Pb free soldering the lead wire component shall be complied with ROHS requirement Procedure for hand soldering Environment Soldering operation shall be performed in a clean environment with ventilation to remove soldering fume during the operation Soldering temperature calibration o Temperature measuring device The device e g Anritsu Model No HL 100 Shall be stabilized at room temperature prior to and during calibration o Timing Calibrate the soldering iron tip before the operation or every 30 minutes after the soldering o Procedure EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 31 41 USER MANUAL V1 24 Green Smart Wireless STM 11X enocean a In Pb alloy soldering the soldering iron shall be set up and stabilized at 240 C before and in the calibration For Pb free solder wire the sol dering iron shall be set up and stabilized at 255 C before and in the calibration b Take little solder wire on the soldering iron tip and put the tip in con tact with the contact pad of the temper
6. 17 41 USER MANUAL Green Smart Wireless enocean Figure 6 STM110 operation time in darkness typ 25 C gt a r gt 3 2 1 0 Operating time in darkness h gt a r gt 30 25 20 15 10 5 0 Operating time in darkness h 6 5 4 gt O 3 9 z 100 sec timer gt 2 1 0 150 120 90 60 30 0 Operating time in darkness h EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 6734 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 18 41 USER MANUAL Green Smart Wireless enocean In the figure left typical values are shown In worst case the operating time in darkness may be 20 less 2 7 Radio Telegram of STM 11x Frequency range and modulation scheme The STM 11x operates the 868 3 MHz radio channel 868 0 868 6 MHz which is exclu sively released for short time data transmission in Europe Timing conditions can be found in chapter 3 8 of this paper STM11x is based on ASK amplitude shift keying modulation with a bit rate of 125 kbit s Telegram content The payload of the telegram consists of AD pawo pa 70 Transmission timing The transmission timing of the radio module STM 11x has been developed to avoid possible collisions with data packages of other EnOcean transmitters as well as disturbances from the environment With each transmissio
7. 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 37 41 USER MANUAL V1 24 STM 11X 4 2 EVA 100 is an evaluation kit to support a simple setting up operation of the receiver side when the EnOcean sensor transmitter module STM 11x is evaluated EVA 100 sup ports a rapid evaluation of the serial receiver mode and Evaluation Kit EVA 100 Supports the fast development of applications Type 4 3 The EPM100 is a mobile field intensity meter that helps the engineer to find the best instal lation positions for sensor and receiver It can also be used to check disturbances in links to already installed equipment The EPM100 displays the field intensity of received radio tele grams and interfering radio signals in the 868MHz range Green Smart Wireless enocean EnOcean Ordering Code Scope of supply EVA 100 H3004 G100 Evaluation board EVA PCB EnOcean 868 MHz radio devices STM 11x PTM 200 RCM 110 and RCM 120 CD with RS232 PC link monitor software and detailed kit documentation 230V wall power supply for EVA PCB Convenient equipment case Field Intensity Meter EPM 100 The simplest procedure for determin ing the best installation positions for the radio sensor receiver Type Person 1 operates the radio sensor and generates pushbut ton radio telegrams Person 2 checks the received field intensity on the meter display to find the optimal in Stallation position
8. Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 20 41 USER MANUAL Green Smart Wireless enocean Serial protocol The data rate is 9600 baud 1 start bit 1 stop bit LSB first The inter byte time out is 50ms The default logic value is 1 3V Byte pof os 02 03 oa Bit Bit Bit Time Time Time STOP A serial command consists of 14 bytes as shown in the following SYNC_BYTE1 A5 Hex SYNC_BYTEO 5A Hex DATA_BYTEO DATA_BYTE1 DATA_BYTE2 SYNC_BYTE1 8 bit OxA5 fixed SYNC_BYTEO 8 bit Ox5A fixed HEADER 8 bit Ox8B telegram sent from STM OxAB telegram sent to STM ORG 8 bit 0 255 telegram type see description of commands DATA BYTEO 8 8 bit 0 255 information CHECKSUM 8 bit 0 255 checksum Last 8LSB from addition of all octets except sync bytes and checksum EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 21 41 USER MANUAL Green Smart Wireless enocean Command list WR_SYS_AD_THRES Description With this command the user can modify the threshold values at the analogue inputs which lead to a radio transmission The default values are 6
9. gt gt 1OMQ after 24h R_STM depends on wake up cycle time transmit intervals and supply voltage In the following table R_STM is given at a supply voltage of 3V typical values R_STM kQ 1s 10s 100s 110s 6300 6900 Every 100 wake up 8300 The current consumption is almost independent from the supply voltage typical values STM pA 1s 10s 100s 110s Every 10 wake up Every 100 wake up Coe EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 14 41 USER MANUAL Green Smart Wireless enocean Equivalent schematic of V_SC2 input R C2 375 kQ after 3 V applied for 10 min 5MQ after 24h Equivalent schematic of analog inputs AD Oto AD 2 Equivalent schematic of voltage outputs V_OUT and V_ REF EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 15 41 USER MANUAL V1 24 Green Smart Wireless enocean STM 11X 2 5 Encoding Scheme of CW and CP Input Pins The encoding input pins have to be left open or connected to GND in correspondence with the following connection schemes Wake up cycle time CW_0 CW_1 Wake up cycle time 100 sec 20
10. off a 7 E AD 0 CW 1 i NDI x Presence Signal a CW 0 every 100th AD 2 every 10th every cyclic wake up V_OUT V_REF GND CGP 0 CP 1 Figure 3 STM 11x block diagram Module power supply The supplied solar cell has been designed especially for the STM 11x for maximum module performance at smallest dimensions The active solar area is divided into two to provide independent module power supplies V_SC1 Main power supply input Must be connected to the STM 11x solar cell small active area or by another external energy source respectively V_SC2 Goldcap charging input by connecting to the STM 11x solar cell big active area The capacitance of the Goldcap may be reduced after long term storage of mod ules without energy supply It may take up to one day of charging until the full Capacitance Is recovered Continuous operation at temperatures higher than 50 C may decrease the capaci tance of the Goldcap This will result in shorter charging times and shorter operat ing times in total darkness EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 8 41 USER MANUAL V1 24 Green Smart Wireless enocean STM 11X Power control The power control supervises V_SC1 supply and charging status of the energy store It con trols the power supply
11. realization of very compact sensor units User PCB User PCB STM STM 110 110 Module Module l Space required 9mm 9mm Figure 7 Examples of compact sensor unit The following features have to be available on the user PCB Power supply by connecting V_SC1 and V_SC2 to the supplied solar cell or by con necting V_SC1 to another suitable external energy source Configuration of the STM firmware by connecting the input pins CW_0 1 and CP 0 1 If needed an application specific sensor circuitry connected to analog input pins AD 0 AD 1 and or AD 2 and powered by V OUT V_REF and GND If needed connections to digital signal inputs DI 0 3 The digital inputs can also be used for an individual sensor type identification defined by the user If needed a changeover switch connected to the differential WAKE pins for provid ing spontaneous wake up If needed a light emitting diode connected between the LED and GND pins for pro viding optical feedback of sending To avoid radio frequency pickup from the environment strip lines of the user cir cuit should be designed as short as possible and the use of a PCB ground plane layer is recommended EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 27 41 USER MANUAL Green 5mart Wireless e
12. significant change of measured analog values gt 5LSB of AD_1 input gt 6LSB of AD 0 or gt 14LSB of AD_2 In case of a triggered wake up a radio telegram is sent in any case In case of no relevant input change a presence signal is sent after a user configurable number of wake ups to announce all current input values sign of life Between the wake up phases the module is in sleep mode for minimum power consump tion There is a serial interface which allows configuring several parameters of the module Threshold values of the AD inputs which lead to immediate radio transmission Manufacturer code information about manufacturer and type of device In case a manufacturer code is programmed into the module and DI3 0 at wake up the module will transmit a dedicated teach in telegram containing the manufacturer code A Observe Precautions electrostatic sensitive devices EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 6 41 USER MANUAL V1 24 Green Smart Wireless STM 11X enocean 1 4 Physical Dimensions Dimensions of PCB 21 0 x 40 0 x 9 0 mm incl energy store and wiring pins Dimensions of solar cell 35 0 x 13 0 x 1 1 mm for details see chapter 5 Antenna pre installed 9 cm whip antenna Connector 20 pins dual row male grid 1 27 mm 4 NIP
13. tl cand F Figure 2 STM 11x package outlines 1 5 Environmental Conditions Operating temperature 25 C up to 65 C Storage temperature 25 C up to 65 C Humidity PCB 0 to 95 r h Humidity Solar cell rear side 0 to 60 r h no condensate A For corrosion protection see chapter 3 5 The product life strongly depends on the temperature as the Goldcap used for en ergy storage degrades with higher temperature As a reference the lifetime ca pacitance reduced to 70 of nominal value of the Goldcap is reduced from 100 000 h to 5 000 h when the temperature is raised from 25 C to 65 C 1 6 Ordering Information Type EnOcean Ordering Code Radio Frequency Solar Cell STM 110 S3001 D110 868 3 MHz Included _ STM 110 868 3 MHz Not included EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 7 41 USER MANUAL V1 24 Green Smart Wireless enocean STM 11X 2 FUNCTIONAL DESCRIPTION 2 1 Block Diagram DI_x and AD_x input values are transmitted If wake up and an input value has changed At wake up and presence signal time V SC1 V SC2 ANT whip Goldcap RF Transmitter LED Power Data Power control amp Processor DI 0 wake up timer power on DI 1 WAKE Spontaneous Ready E ie WAKE power
14. 2 1 0 Profile ID_Byte3 0 STM11x ID bytes device profile and type to the module are only available to customers signing an agreement with EnOcean A In order to prevent fraudulent use the commands for writing manufacturer ID EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 23 41 USER MANUAL Green Smart Wireless enocean INF_SYS_SW_VERSION Description This telegram contains the SW version of the module Command encoding Bit 7 Bit O SW Version Byte3 SW Version Byte2 SW Version Byte1 SW Version Byte0 ChkSum SW Version Byte3 0 Software version MSB first INF_SYS_AD_THRES Description This telegram contains the current threshold values at the analogue inputs which lead to a radio transmission Command encoding Bit 7 Bit O AD_2_MIN_VARIATI ON AD 1 MIN VARIATION AD 0 MIN VARIATION ChkSum AD 2 MIN VARIATION Threshold at AD 2 0 0xFF LSB AD 1 MIN VARIATION Threshold at AD 1 0 0xFF LSB AD 0 MIN VARIATION Threshold at AD 0 0 0xFF LSB EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 24 41 USER MANUAL Green Smart Wireless
15. Germany www enocean com Page 9 41 USER MANUAL V1 24 Green Smart Wireless enocealy STM 11X Processor Controls all functionalities after wake up First the values of all measurement inputs are Sampled After that a RF signal transmission is triggered if one or more of the following conditions are met a One of the input values has changed since the last radio transmission one of the 4 digital inputs has changed or one of the 3 analog inputs has changed equal to or more than a defined value of the total measurement range or b Presence Signal time that means number of wake ups that did not cause a radio transmission has been counted to a user configurable number CP O and CP 1 or c The wake up has been triggered via the WAKE pins After every RF transmission all measurement values are stored for data comparison at next wake up time See chapter 2 5 for configuration of presence signal timing RF transmitter The radio transmitter is powered up by the processor when the sending condition is posi tive The output LED is activated temporarily during telegram transmission 2 2 Pin Description and operational characteristics Function Operational Characteristics Analog inputs sampled at every Sample moment after wake up 1 7 ms wake up 2 6 ms Resolution 8 bit The analog input values are Input impedance gt 100kQ transmitted as sensor data bytes 1 bit V_REF 256 8mV Accuracy vs V REF 25 C typ
16. LSB on AD 0 5LSB on AD_1 and 14 LSB on AD 2 The module will answer with OK SYS WR or ERR_SYS_WR Command encoding Bit 7 Bit O 0xA5 AA AD 2 MIN VARIATION AD 1 MIN VARIATION AD 0 MIN VARIATION ChkSum AD 2 MIN VARIATION Threshold at AD 2 0 0xFF LSB AD 1 MIN VARIATION Threshold at AD 1 0 0xFF LSB AD 0 MIN_VARIATION Threshold at AD 0 0 0xFF LSB OxXX Ignored field A reduction of the threshold values may lead to a higher number of transmissions and therefore increased energy consumption The measurement accuracy versus V_REF is typ 2LSB max 4LSB RD SYS MEM Description With this command the user can retrieve all the configuration data from the module The module answers with 3 telegrams e INF SYS SW VERSION INF SYS ID DEV MAN INF SYS AD THRES EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 22 41 USER MANUAL Green Smart Wireless enocean STM 11X Bit 7 Bit O Oo OOA IA e O Oa IA Oo XXX O Oo XXX O Oo XXX O Oo XXX O Oo XXX O 0xXX O XXX O 0xXX Oo XXX O 0xXX ignored field INF_SYS_ID_DEV_MAN DATA BYTE3 DATA_BYTE2 DATA_BYTE1 ID Byte3 ID Byte2 ID Bytel ID Byteo ChkSum Data_Byte3 0 as follows Data Byte3 Data Byte2 Data Bytel Type Manufacturer ID 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3
17. ONSENT OF SINONAR CORPORATION SINONAR COPORATION PAGE 2 OF 2 EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 39 41 USER MANUAL yi LA x E E gmi E vi u Y J O O ka D SHIMVYO JWIS LON 0O AUWIGIdOUd YYNONIS 409 LY VNONIS vary JAHIJIJI 3015 r f zz00L AINO 32K343434 HO Wend yi OW EAGrE a WOR L Ao e a Mi ninrin 00007 13 ANALIA TOF momol paon g NOILYY3dO Aso oug g Pnn g gumu apoo Gnor 73 SSOP Sp DEE O furau y SUIT POSE leon bila Oy BAE mangap EP AA A gama ped HOM Doooz 13 Gree 73 J5VKIOA LINDY Nido Dery BAI EUT0 r CFI oza q rary aanoapa OFE I SIPO 4 vary sanoy a LYOJHHAO S a S OF0 SE EOF J IVOJIJAO JAIS 9NILHIN LN3YYND LINDID LYOHS Subject to modifications Phone 49 89 67 34 689 0 Fax EnOcean GmbH STM 11x User Manual V1 24 June 24 2008 10 12 AM Page 40 41 49 89 67 34 689 50 Kolpingring 18a info enocean com 82041 Oberhaching Germany www enocean com USER MANUAL Green Smart Wireless enocean 6 DECLARATION OF CE CONFORMITY EnOcean GmbH Kolpingring 18a The power of unused energy D 82041 Oberhaching G n OC ea n www enocean com Declaration of Conformity CE We EnOcean Gm
18. P Input PINS wwa 16 Wak CPU Cy Cle UNS poets peeves auicanate aan or E eatin ete eb vane A 16 PRESENCE SION al CIN UTANI VAA AA MBU realness ean ota reiaasae eka eae 16 2 6 Solar Energy Balance Calculation cccccccccss sees cece serea EEEE 17 2 1 Rado Telegram Of SIM LIX IA 19 Frequency range and Modulation scheme cc cccccc cece cece ee eee eeeeeeeeeeeeeeeeeeeeeneeeeeeenegs 19 Tan meson TINA II reese tenia 19 2 7 Serial Interface for module configuration wwwananwananwa manana namunzawawa 20 EIA WAA AA ee tr ete eet Ce ee Te er ee re Tn ee eh ee ee ee 21 COMBA GING SG IA Aa aaa isan teen emai tes 22 2 8 Serial Data Reception via Receiver Module RCM 120 wswawamamanamamawuwuwa 26 3 APPLICATIONS INFORMATION scssievsacy cone eeistirndria cedure iia nenesersads wera terteereierenaes 27 Sl Module MOUNUNG AAA AIKA E 27 3 2 Antenna MOUNTING ii IAA 28 Jo MaN MISSO WI 29 3 4 Connecting the solar CEN IAA 30 3 5 Solar Cell Handling Soldering amp MOUNtING wawwnmananwnwananwananaawanamunzuwawa 31 ELE Oe E E A EE E E E EE T E E E ees ieee 31 edale 1g WA E EE T A A IAA A A akaa 31 GUNG AAA A T ie oeriates 33 CON SIO POUE CIO IAA 34 SMOG E A E E E E E E N A E EE E P E E T ET 34 EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www
19. USER MANUAL Green Smart Wireless enocean June 24 2008 Patent protected WO098 36395 DE 100 25 561 DE 101 50128 WO 2004 051591 DE 103 01 678 Al EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 1 41 USER MANUAL V1 24 Green Smart Wireless enoceal STM 11X REVISION HISTORY The following major modifications and improvements have been made to the first version of this document No Major Changes ESD warning added equivalent schematic of CW 0 and CW 1 corrected Editorial changes FCC approval requirements modified Figures in 2 6 corrected V_SC2 instead of V SC1 Patent information added Variant STM11xC moved to separate User Manual Main differences between STM110 and STM110C added WAA AAA 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
20. V SC2 Goldcap charging input Connect For use with the solar cell only V lt 5 0 V V_SC2 in series with a Schottk EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 11 41 USER MANUAL V1 24 Green Smart Wireless enocealy diode of Type BAS 125 to SOL2 of the STM 11x solar cell bigger area see Figure 9 16 ANT Whip antenna 4 4 Please find recommendations on antenna mounting in chapter 3 2 A Never connect an input like CP_0 1 AD_0 2 DI_0 3 to a permanent supply STM 11X voltage These inputs should be always left open connected to GND or connected to the own V_OUT and or V_REF active only during measurement time Oth erwise they would permanently draw current from the permanent power supply and could also damage the device see absolute maximum ratings 2 3 below If such a function is absolutely needed please insert a diode to avoid the problem For socket positions see Figure 2 2 3 Absolute maximum ratings Symbol Parameter Min Max Units V_SC1 V_SC2 Input voltage ee eee T v_SC1 Input current ripple O E ae TTo V_SC2 Input current ripple O To T a LED V_REF Input voltage while uC not active 0 7 V V OUT DIO 3 module completely switched off or sleep ADO 2 CP 0 1 timer running LED DI0 3 ADO 2 Input volt
21. age while uC active 0 VOT v V OUT Input voltage while serial mode isactive 0 309 v Input voltage a eo a WAKE WAKE Input voltage 0 J vsa v NI Inputvoltage S S S 5 S Vv V_REF V_OUT_ IAA WA o mA LED Output curret mA VSO VES 2 Electrostatic discharge 1 kV CW 0 CWT WAKE WAKE V OUT V REF ANT GND paces Seem DI 0 3 AD 0 2 Module Humidity Solar cell Illumination 100 000 Solar cell Humidity We Arh A Exceeding these values may destroy the module EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 12 41 USER MANUAL 2 4 Equivalent schematics of Inputs and Outputs Equivalent schematic of WAKE and WAKE inputs Internal_Logic V_SC1 Internal_Logic Equivalent schematic of wake up cycle time inputs CW __ Green Smart Wireless enocean O to CW_1 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 11x User Manual V1 24 June 24 2008 10 12 AM Page 13 41 USER MANUAL V1 24 Green Smart Wireless enocean STM 11X Equivalent schematic of LED output x k Ot 470 Equivalent schematic of V_SC1 input R_Cl 6 MQ after 3 V applied for 10 min
22. ature meter for 1 minute c Temperature shown on the temperature meter shall be 255 C Pb free at least for one minute otherwise re adjust the temperature set ting of the soldering iron Soldering operation Step 1 Make soldering iron tip and solder wire contact with the copper paste of solar cell together At this moment tin pot formed in a shape of half ball type or makes a plane type on the copper paste All the processes shall be well done less than 2 seconds Step 2 Melt solder wire on the top of solder lead wire Weld the tin pot again and put the lead wire into the inside of tin pot Take off the solder iron tip Finish this step within 2 second also Soldering operation on the solar cell shall be non destructive At any time only make the soldering iron tip contact the copper paste of the solar cell less than 2 seconds Attention O O O Hold the soldering iron at an angle of 30 to 45 with the solar cell in the welding process Lead wire is in the contact with the copper paste at an angle of 15 Make sure the welding process not more than the time limit and the lead wire in good contact with copper paste through the solder Please watch out the loose contact between the lead wire and the copper paste if any Do not move the lead wires and solar cell before cooling the tin pots Weld soldering is always with smooth surface and with shine Test criteria EnOcean GmbH Kolpingring 18a O O Pull s
23. bH Kolpingring 18a D 82041 Oberhaching Germany Declare under our sole responsibility that the following labeled product Transmitter STM110 to which this declaration relates is when used according to specification in conformity with the technical requirements of the standards and the provisions of the essential requirements of the Directives detailed below Directives Electromagnetic Compatibility Directive 89 336 EC Radio and Telecommunications Terminal Equipment Directive R amp TTE 1999 5 EC Standards ETSI EN 301 489 1 2005 09 ETSI EN 301 489 3 2002 08 SRD class 2 ETSI EN 300 220 3 2000 09 Recommendations ERC Recommendation 70 03 2005 11 Place of issue Oberhaching Date of issue 5 April 2007 Quality Manager General Manager Manfred Schmelig Markus Brehler Signat Signatyre jt Vet EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 41 41
24. cally 20m range through max 3 walls Ferroconcrete walls ceilings Typically 10m 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 False ceilings with panels of metal or carbon fiber Lead glass or glass with metal coating steel furniture The distance between EnOcean receivers and other transmitting devices such as com puters audio and video equipment that also emit high frequency signals should be at least 0 5m EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 29 41 USER MANUAL Green Smart Wireless enocean 3 4 Connecting the solar cell The supplied solar cell has been designed especially for maximum module performance at smallest dimensions The active solar area is divided into two to provide independent m
25. elegram ORG 7 dec always EnOcean module type 4BS DATA_BYTEO 3 see below LRN Type 1 LRN 0 DIO DI2 current status of digital inputs Profile Type Manufacturer D defined by manufacturer ID BYTE3 module identifier Byte3 ID _ BYTE2 module identifier Byte2 ID _BYTE1 module identifier Byte1 ID BYTEO module identifier ByteO Data Byte3 Data Byte2 Data Bytel Data ByteO ID Profile Type Manufacturer ID LRN Type RE2 RE1 REO LRN DI2 DI1 DIO 6 Bit 7 Bit 11 Bit 1Bit 1Bit 1Bit 1Bit 1Bit 1Bit 1Bit 1Bit With this special learn telegram it is possible to identify the manufacturer of a device and the profile and type of a device There is a list available describing the functionalities of the respective products Please contact EnOcean to receive this list EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 26 41 USER MANUAL V1 24 Green Smart Wireless STM 11X 3 3 1 enocealy APPLICATIONS INFORMATION Module Mounting The STM 11x module requires some external circuitry configuration and connecting to the application specific sensoric circuit This external circuitry should easily find place on a small PCB that can be connected upside down to the EnOcean module via the STM dual row header This allows the
26. enocean OK_SYS_WR Description This message is sent after successful execution of a user request Command encoding Bit 7 Bit O ChkSum ERR_SYS_WR Description This message is sent if the execution of a user request has failed Command encoding Bit 7 Bit O ChkSum EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 25 41 Te USER MANUAL V1 24 Green Smart Wireless enocean STM 11X 2 8 Serial Data Reception via Receiver Module RCM 120 For a detailed description please refer to the User Manual of RCM 120 Type of STM 11x protocol which is seen at the serial outputs of the receiver modules is 4BS 4 Byte Sensor Description of STM 11x radio data content ORG 7 dec always EnOcean module type 4BS DATA_BYTE3 Value of AD_2 analog input DATA_BYTE2 Value of AD_1 analog input DATA _BYTE1 Value of AD 0 analog input DATA BYTEO Digital sensor inputs as follows Bit 7 Bit O DI_O ID_BYTE3 ID_BYTE2 ID_BYTE1 ID BYTEO module identifier Byte3 module identifier Byte2 module identifier Bytel module identifier ByteO In case manufacturer ID device profile and type have been stored in the module the fol lowing telegram will be seen on the RCM 120 serial interface if DI 3 0 Description of STM 11x learn t
27. enocean com Page 3 41 USER MANUAL Green Smart Wireless enocean 3 6 Using an Alternative Power Supply e g Battery wanwanwanwanwnwanwanwanunzanzanuaa 35 Bek IA Ia 35 3 8 Main differences between STM110 and STMIIOC wawanwamamananaazunumawana 36 3 9 CE Approval Requirements STM lI1V wwnnanwanwananwanzanzanuazunzanzanwazunizazanuaa 36 4 DEVELOPMENT TOOLS AI 37 41 Evaluation Kit EVA 120 EVA 120C ii 37 42 Evaluation KICEVA Ai IA Aa EA 38 4 3 Field Intensity Meter EPM 100 annnnnnnnnnnnnnnnnnnrnnnnnnnnrrrrnrenrnrrrrrrrrnnrnrrrrrrernena 38 5 SPECIFICATION OF 553513 SOLAR Ella uu erni ena E cle bnonwds 39 6 DECLARATION OF CE CONFORMITY wanamamawanaanunamanunzunananananzanuzananunzazanananuaa 41 EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 4 41 USER MANUAL V1 24 Green Smart Wireless enocean STM 11X 1 GENERAL DESCRI PTI ON The extremely power saving RF transmitter module STM 11x from EnOcean enables the implementation of wireless and maintenance free sensors Power supply is provided by a solar cell An integrated energy store allows operation for several days in total darkness 1 1 Basic Functionality Three 8 bit A D converter inputs and 4 digital inputs facilitate multifunct
28. for wake up timer microprocessor HF transmitter and the supply outputs Power supply outputs Two power supply outputs are available a b V_OUT V_REF stabilized reference voltage The outputs are active after wake up during the active state of the module to drive an ex ternal sensor user circuitry Wake up timer The wake up timer provides user programmable wake up time intervals for activating the processor and an external wake up opportunity WAKE pins Features A Extremely low power consumption during sleeping time period Cyclic processor wake up configurable by user through external pin configuration CW_0 CW_1 The sleep mode can be terminated immediately by changing the pin status of the differential WAKE inputs Note that the WAKE inputs are part of a special capacitor circuitry that offers lowest operating power consumption current flow at switching over time only WAKE and WAKE always have to be operated via switch over as shown in the following WAKE WAKE GND Figure 4 External WAKE pin circuit A radio telegram is always transmitted after wake up via WAKE pins change compared to STM100 After transmission the presence signal counter is reset See chapter 2 5 for configuration of wake up cycle times EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM
29. idual 32 bit ID factory programmed EnOcean telegram type 4BS Four Byte Sensor Telegram packet length sub telegram 1 2 ms 5 No of redundant packets 3 packets within about 40ms delay effected at random Input channels 3 x analog inputs 8 bit resolution 4 x digital inputs Spontaneous wake up differential external trigger signal minimum wake interval 7ms Cyclic wake up user configurable every 1 10 100 or 110 s tolerance 20 Presence signal user configurable every wake up signal every 10 or every 100 Illumination 100 Ix up to 100 000 Ix Operation startup time with empty energy store lt 10 min 400 Ix Operation time during total darkness gt 60h 1 storage is filled 1000 Ix 4 2V in Goldcap RF transmission every 17 min 100s wake up temperature 25 C Goldcap formatted Ext power supply output 3 0 V 3 IMA max 2 6ms during wake up time Ext voltage reference output 2 05V 3 1mA max 2 6ms during wake up time Input sample time after wake up gt 1 7 ms Transmitting indication output LED 3 0V 3 2MA max 3 x 1 2 ms within 40ms A change of WAKE pin status forces the onboard controller instantly to check all current analog and digital input values In addition a user programmable cyclic wake up is pro vided After wake up a radio telegram input data unique 32 bit sensor ID checksum is trans mitted in case of a change of any digital input value compared to the last sending or in case of a
30. ing 18a 82041 Oberhaching Germany 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 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 11x 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 For ap proval aspects it must be ensured that the STM 11x radio module does not transmit measuring data more than 9000 times per hour For this calcula tion the extraordinary short telegram length is considered including all sub telegrams Also a tolerance of 5 in telegram length is included Phone 49 89 67 34 689 0 Subject to modifications Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 info enocean com June 24 2008 10 12 AM www enocean com Page 36 41 USER MANUAL V1 24 Green Smart Wireless enocean STM 11X 4 DEVELOPMENT TOOLS 4 1 Evaluatio
31. ional detector sys tems based on passive sensing components This allows easy and convenient monitoring of temperature illumination etc or controlling window and door states or supervising input voltages or input currents respectively Figure 1 STM 11x sensor transmitter module 1 2 Typical Applications e Building installation e Industrial automation e Consumer electronics The STM 11x module serves the 868 MHz air interface protocol of EnOcean Together with the receiver module RCM120 RCM130 or the transceiver module TCM120 this module can be easily integrated into operation and control units for the realization of various applica tion specific system solutions The module is part of a powerful RF system solution from EnOcean for operation and con trol applications Because the RF transmitters are self powered maintenance free RF sys tems can be implemented EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 5 41 USER MANUAL V1 24 Green Smart Wireless enocean STM 11X 1 3 Technical Data Power supply Solar Power Generator discrete optical cell or 2 2 5 0V external Frequency transmission power 868 3 MHz 10 mW max Data rate Modulation type 125 kbps ASK Transmission range 300m free field typ 30m indoor Module identifier indiv
32. lor blue Cu wire LiY according to VDE 0812 or 0245 CI 5 or CI 6 Insulation PVC mixture TI2 according to VDE 0207 Figure 8 Specification of the whip antenna EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 28 41 USER MANUAL V1 24 Green Smart Wireless enocean STM 11X 3 3 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 system conditions range tests should categorically be performed before notification of a particular range that will be attainable by a particular application The following figures for expected transmission range are considered by using a PTM a STM or a TCM radio transmitter device and the RCM or the TCM radio receiver device with preinstalled whip antenna and may be used as a rough guide only Line of sight connections Typically 30m range in corridors up to 100m in halls Plasterboard walls dry wood Typically 30m range through max 5 walls Brick walls aerated concrete Typi
33. n Kit EVA 120 EVA 120C EVA 120 is an evaluation kit for the solar powered sensor mod ule STM110 EVA 120 contains an evaluation board a USB adapter and an STM110 module The evaluation board is designed to allow easy evaluation of STM110 product fea tures and to support the develop hi i OEO ment of customer specific products Sagie penea g ogg based on STM110 The main fea a PEE GE tures of the evaluation board are 3 R AIN listed below an bleh S1515 g Q4 m nyot il gt oui Dm SA Y w ay R414 Lid LLJ 24 ie LL wr D4 ___ Ris gt gt 4b amp IP4 Features of the evaluation board Supply of STM110 via solar cell battery or external power supply External control of charge discharge cycles Optical interface for WAKE inputs Push button connected to WAKE inputs Push button to initiate learn telegram RS232 interface and USB adapter for configuration of the module Jumpers for setting wake and transmit cycles Potentiometers to set analog values jumpers for digital inputs Buffered measurement of V SCl and V_SC2 Transmission indicator LED Temperature range 25 C 65 C Type EnOcean Ordering Code Scope of supply EVA 120 H3004 G120 1x Evaluation board 1x STM110 1x RS232 USB adapter 1x CDROM EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1
34. n cycle 3 identical sub telegrams are transmitted The transmission of a sub telegram lasts approximately 1 2 ms To optimize data security each telegram is repeated twice within about 40 ms whereas the delay between the three transmission bursts is effected at random EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 19 41 USER MANUAL Green Smart Wireless enocean 2 7 Serial nterface for module configuration It is possible to change some parameters of the module via a serial interface Read write threshold values of AD O to AD 2 which lead to a transmission of a radio protocol Read the firmware version of the module Read write manufacturer ID device profile and type The following pins are needed LED V_OUT DI 3 as USR_RX DI_2 as USR_TX In order to activate the serial mode please take the following steps 1 Connect LED pin to V_OUT pin 2 Activate STM11x using the timer or the WAKE inputs The module will then enter the serial mode It will receive information via the USR_RX DI_ 3 pin and transmit information via the USR_TX DI 2 pin It will not react on WAKE Signals or timer interrupts while in serial mode In order to terminate the serial mode the LED pin has to be connected to GND EnOcean GmbH Phone 49 89 67 34 689 0
35. ncoding input for processor Pins should be left open or connected to wake up cycle time 1 10 100 GND or 110 seconds approximately Resistance to GND lt 10 Q Cyclic wake up time value strongly depends on actual power supply voltage and tem perature up to 20 Encoding input for determining Pins should be left open or connected to the number of cyclic wake up GND signals that trigger the Presence Resistance to GND lt 100 Q Signal Every wake up signal or Input impedance gt 100kQ every 10 or every 100 or no presence signal V OUT Module power supply output 3 0V 3 2 6ms available during wake up phase 1 mA max to drive an external sensor cir cuitry by the user Also used for starting serial mode V_REF Reference voltage output avail 2 05 V 3 2 6ms able during wake up phase to Iwrep 1 MA max drive an external sensor circuit by the user Output for optional external LED 3 0 V 3 2 MA max to indicate every telegram source impedance 470 Q 1 transmission short flashing 3 x 1 2 ms within 40 ms Also used for starting serial mode V SCI Main power supply input Con When using other energy source than the nect V_SC1 in series with a supplied solar panel see chapter 3 6 Schottky diode of Type BAS 125 2 2 5 0 V to SOL1 of the STM 11x solar cell smaller area see Figure 9 H m H m e WO O UI UJ A N Or connect to another external source respectively
36. nocean 3 2 Antenna Mounting Positioning and choice of receiver and transmitter antennas are the most important factor in determining system transmission range The STM11x transmitter module is supplied with a soldered whip antenna as standard By using that antenna very compact sensor equip ment can be implemented with good radio transmission characteristics For mounting the antenna some notes should be considered to optimize system performance For best transmitter performance the space immediately around the antenna has to be strictly considered since this has a strong influence on screening and detuning the an tenna The antenna should be drawn out as far as possible and must be never cut off Mainly the far end of the wire should be mounted as far as possible away from all metal parts PCB strip lines and fast logic components e g the STM microprocessor Don t short the whip A 4 For a good antenna performance don t roll up or twist the whip and please draw attention to an overall whip distance of at least 10 mm 20 mm is better from any PCB strip ground plane and conductive part or electric part Note that whip antennas do not show any directional effects under free field radio wave propagation conditions spot wise radiator The RSSI voltage output of the receiver mod ule can be used for evaluating the influence of intuitive RF optimizations g0 8 tinned bared twisted and tinned STM11x L 89 2 mm co
37. od ule power supplies V_SC1 Main power supply input Must be connected to the small active area of the solar cell or to another external energy source respectively V_SC2 Goldcap charging input Must be connected to big active area of solar cell The solar cell must be connected to the module in series with Schottky Diodes of type BAS 125 In Figure 9 the dual diode BAS 125 07 SMD parallel pair is used For outdoor use in addition the BZX84 B5V1 diodes leakage current at 2V must be below 2uA are needed to avoid damage of the module by over voltage SOLAR CELL 30 10 bL s be 2x BZX84 B5V1 for outdoor applications dasaasanssaasasasasnssasasas daaaasasasasasdasanasaa items nbejo nine nse nn ee eee renee eee eee Heer eee eee sere reer ereeeere dere eeeeerere Z BAS 125 07W Y ss a00000000000000000000000000000000000000000000000000000000j0000000000054 V_SC1 V_SC2 Figure 9 Connecting the solar cell EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 30 41 USER MANUAL V1 24 Green Smart Wireless enocean STM 11X 3 5 Solar Cell Handling Soldering amp Mo
38. ollows Recommendation for the realization of a learn push button STM 110 o B 1M BC547 BC547 4 BSS119 GND LRN GND EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 35 41 USER MANUAL V1 24 Green Smart Wireless STM 11X enoceal 3 8 Main differences between STM110 and STM110C EnOcean provides product variants for the frequency bands 315 MHz for use in North America and 868 MHz for use in Europe The main differences between these variants are Parameter STM110 STM110C 868 3 MHz 315 0 MHz Antenna length sem AA Radio Liaise i R amp TTE EU directive Baa part 15 231 RSS 210 a retransmission nominal Not affected at random Affected at random to every every 10th every 100th wake meet regulation re up quirements 3 9 CE Approval Requirements STM 11x The STM 11x module bears the EC conformity marking CE and conforms to the 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 GmbH Kolpingr
39. 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 Components 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 EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 2 41 USER MANUAL V1 24 Green Smart Wireless enocean STM 11X TABLE OF CONTENT L GENERAL DESCRIP TO Ne moerid 5 Hed Ba C UN GCHOMANEY AA A AEE EA E 5 1 2 Ty
40. pical Applications w wwnwananwnwanunwa manana nanunzukanza wanunua kanuna kanunua kawa 5 ees TON O WA WA IA aaa 6 1 4 Physical Dimensions w wanwamanwnwananwa wanawa nanaawa manana wanunua kanuna kanuna kana wa wa 7 15 Enyronmental Conditions AA 7 1 6 Ordering Information w wwnwananwawanunwamananwa nanunua wanunua kanuna kanuna kana wawa 7 2 FUNCTIONAL DESCRIPTION viccsinicinesotrann e ANa IENEN EOE EOE er TENTE REENEN E 8 AL IBIOCK DIGG AA AI IAA IA 8 Module WA WI UA IIIA 8 PONA OA WW Ka WA KE E 9 Power SUNDI ONDU AAA IA ARA 9 Wake I AA EA 9 POCOS OT an A ee ae E aa 10 ASIA IA waa 10 2 2 Pin Description and operational characteriStiCS awamanwamananwawamunwa 10 2 3 Absolute MAXIMUM Lil II 12 2 4 Equivalent schematics of Inputs and Outputs w wananwananwanananwanamunzawawa 13 Equivalent schematic of WAKE and WAKE Inputs wamanwamanwamananwanamunzawawa 13 Equivalent schematic of wake up cycle time inputs CW Oto CW 1 wsnman 13 Equivalent schematic Of LED UA AA 14 Equivalent schematic of V SOL INDUC Ia 14 Equivalent schematic of V_ SC2 INput c cece cece cece eens cece eai kawa 15 Equivalent schematic of analog inputs AD Oto AD 2 wwwwanawanwanuwnzwnzwnawanza 15 Equivalent schematic of voltage outputs V OUT and V_REF cece cence eee ees 15 2 5 Encoding Scheme of CW and C
41. time of Loctite 403 is only 5 seconds once the solar cell is pressed onto the PCB Positioning must be finished by then EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 33 41 USER MANUAL Green Smart Wireless enocean Corrosion protection Corrosion protection is essential to the lifetime of the solar module The solar module is extremely resistant to temperature effects But mounting must particularly provide protec tion against humidity The proper choice of suitable sealing material is important The best method is protection by a transparent cover mainly important for outdoor appli cations Also well suited is a casing by silicone not acrylic With every kind of protection solution it is very important that the cell edges and the metallic contact areas are covered Figure 11 Examples of solar cell mounting Shade During installation care should be taken to ensure that the active photovoltaic area is not shaded The cells strips which produce the least current due to shade determine the total module current EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 82041 Oberhaching info enocean com June 24 2008 10 12 AM Germany www enocean com Page 34 41
42. trength in vertical direction more than 500 gram Pull strength in horizontal direction more than 200 gram Note 1 For pull strength test the lead wire used should be 28 30 AWG multi threads stranded type Note 2 Lead wire breakage is excluded 82041 Oberhaching Germany Phone 49 89 67 34 689 0 Subject to modifications Fax 49 89 67 34 689 50 STM 11x User Manual V1 24 info enocean com June 24 2008 10 12 AM www enocean com Page 32 41 USER MANUAL Green Smart Wireless enocean Operation illustration Some solder TO Soldering iron SOLAR CELL Less than 2 sec Temperature meter Less than 2 sec Some solder The function of the solar module may be impaired by exceeding the recommended soldering temperature and the specified soldering time Gluing XE16 508 Loctite 403 Figure 10 Gluing the solar cell Instead of soldering it is also possible to glue the solar cell onto a PCB It is proposed to use the following adhesives a GE Bayer Silicones XE16 508 electroconductive adhesive b Loctite 403 to increase mechanical stability First the XE16 508 is put onto the contact pads of the solar cell Then a drop of Loctite 403 is put in the middle of the solar cell After that the solar cell is put onto the PCB Then the solar cell is pressed onto the PCB ac companied by small rotary movements lt lt 1mm Wear gloves to avoid finger prints on solar cell The curing
43. unting The EnOcean solar cell technology guarantees the highest stabilized efficiency values At the front the solar modules have a glass covering that protects the photovoltaic layer from the effects of the environment and weather The rear features contacts for the electrical connection Handling Prevent injuries due to the sharp glass edges Always handle the modules carefully avoid damage of the glass edges that leads to glass breakage or glass chips The layers are sensitive to punctual pressure scratch ing or grinding During handling and processing always make sure that no particles are pushed into the coating Scratches imprints or particles pushed into the layer can lead to short circuiting of the module thus deterioration The processing of the modules with lacquer spray processes or edge grinding could lead to an impairment of the electrical function of the module electrostatic influ ences In case of necessary module cleaning the following cleaning agents are suggested Kleenex 200 tissues Code 7107 D 0261 8930 Kimberly Clark highpure DI wa ter Ethanol min 99 8 Vol Soldering The solar panel has 3 connection pads on the rear side On one side you will see the minus sign This is the GND connection Apparatus Soldering iron Temperature controlled type with 60W heater at least and 5 C control range is recommended Soldering iron tip Slant type or point type Temperature Measuring Device
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