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EnOcean STM110C, User Manual

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Rhein Tech Laboratories, Inc. 

Client: 

EnOcean GmbH 

360 Herndon Parkway  

 Model: 

STM110C 

Suite 1400 

Standards: FCC 

15.231/IC 

RSS-210 

                                                 ID’s: 

SZV-STM110C/5713A-STM110C 

Herndon, VA 20170 
http://www.rheintech.com Report 

#: 

2007284 

 

 

 

Page 22 of 26  

 
 
 
 
 

Appendix K: 

Manual 

 

Please see the following pages. 

 

Summary of Contents for STM110C

Page 1: ...nOcean GmbH 360 Herndon Parkway Model STM110C Suite 1400 Standards FCC 15 231 IC RSS 210 ID s SZV STM110C 5713A STM110C Herndon VA 20170 http www rheintech com Report 2007284 Page 22 of 26 Appendix K Manual Please see the following pages ...

Page 2: ...4 689 0 Fax 49 89 6734 689 50 info enocean com www enocean com Subject to modifications STM110C User Manual V0 904 February 18 2008 2 00 PM Page 1 40 Patent protected WO98 36395 DE 100 25 561 DE 101 50 128 WO 2004 051591 DE 103 01 678 A1 RF Sensor Transmitter Module STM110C February 18 2008 ...

Page 3: ...om 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...

Page 4: ... of WAKE and WAKE inputs 14 Equivalent schematic of wake up cycle time inputs CW_0 to CW_1 14 Equivalent schematic of LED output 15 Equivalent schematic of V_SC1 input 15 Equivalent schematic of V_SC2 input 16 Equivalent schematic of analog inputs AD_0 to AD_2 16 Equivalent schematic of voltage outputs V_0UT and V_REF 16 2 5 Encoding Scheme of CW and CP Input Pins 17 Wake up cycle time 17 Redundan...

Page 5: ...m www enocean com Subject to modifications STM110C User Manual V0 904 February 18 2008 2 00 PM Page 4 40 STM110C 3 6 Using an Alternative Power Supply e g Battery 36 3 7 Learn Push Button 36 4 AGENCY CERTIFICATIONS 37 4 1 FCC United States Certification 37 4 2 IC Industry Canada Certification 38 5 SPECIFICATION OF SS3513 SOLAR CELL 39 ...

Page 6: ...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 STM110C sensor transmitter module 1 2 Typical Applications Building installation Industrial automation Consumer electronics The STM110C module serves the 315...

Page 7: ... C Goldcap formatted Ext power supply output 3 0 V 3 1mA 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 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 additi...

Page 8: ...C 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 1 1 For corrosion protection see chapter 3 5 The product life strongly depends on the temperature as the Goldcap used for energy storage degrades with higher temperature As a reference the lifetime...

Page 9: ...s higher than 50 C may decrease the capa citance of the Goldcap This will result in shorter charging times and shorter oper ating times in total darkness Power control wake up timer Redundant retransmission every 70th 140th every 7th 14th every cyclic wake up Spontaneous wake up Cyclic wake up every 1 10 100 or 110s Goldcap RF Transmitter Processor A D 8 bit ANT whip Active during wake up only Dig...

Page 10: ...r programmable wake up time intervals for activating the processor and an external wake up opportunity WAKE pins Features 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 inpu...

Page 11: ...e 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 Counter for redundant retransmission is elapsed c The wake up has been triggered via the WAKE pins After every RF transmission all measurement values are stored for data comparison at...

Page 12: ... DI_3 Bit3 DI_2 and DI_3 are also used as serial interface pins for the con figuration of the module See page 21 Sample moment after wake up 1 7 ms 2 6 ms Real digital TTL input with internal pull up change compared to STM100 LOW voltage 0 45 V HIGH voltage 2 45V Input impedance 100kΩ 18 20 WAKE WAKE A signal change of WAKE inputs stops sleep mode immediately A radio telegram is always transmitted...

Page 13: ...0 ms 19 V_SC1 Main power supply input Con nect V_SC1 in series with a Schottky diode of Type BAS 125 to SOL1 of the STM110C solar cell smaller area see Figure 9 Or connect to another external energy source respectively When using other energy source than the supplied solar panel see chapter 3 6 2 2 5 0 V 17 V_SC2 Goldcap charging input Connect V_SC2 in series with a Schottky diode of Type BAS 125 ...

Page 14: ... Input voltage while µC not active module completely switched off or sleep timer running 0 0 7 V LED DI0 3 AD0 2 Input voltage while µC active 0 V_OUT V V_OUT Input voltage while serial mode is active 0 3 09 V CW_0 CW_1 Input voltage 0 V WAKE WAKE Input voltage 0 V_SC1 V ANT Input voltage 5 V V_REF V_OUT Output current 1 mA LED Output current 2 mA V_SC1 V_SC2 CW_0 CW1 WAKE WAKE V_OUT V_REF ANT GND...

Page 15: ...om www enocean com Subject to modifications STM110C User Manual V0 904 February 18 2008 2 00 PM Page 14 40 STM110C 2 4 Equivalent schematics of Inputs and Outputs Equivalent schematic of WAKE and WAKE inputs Equivalent schematic of wake up cycle time inputs CW_0 to CW_1 ______ WAKE WAKE Threshold detector CW_0 CW_1 83n 1µ 5nA 6 8n 1M ...

Page 16: ... 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 kΩ 1s 10s 100s 110s Every wake up 24 240 2400 2600 Every 10th wake up average 63 630 6300 6900 Every 100th wake up average 75 750 7500 8300 The current consumption is almost independent from the supply voltage typical values I_STM...

Page 17: ... Manual V0 904 February 18 2008 2 00 PM Page 16 40 STM110C Equivalent schematic of V_SC2 input R_C2 375 kΩ after 3 V applied for 10 min 5MΩ after 24h Equivalent schematic of analog inputs AD_0 to AD_2 Equivalent schematic of voltage outputs V_0UT and V_REF V_SC2 C2 0 1F R_C2 V_SC1 1M 120p Sample Switch Rs 10k max AD_x V_OUT V_REF LMV 358 470 Vpulse 1 mA V_OUT V_REF LMV 358 470 Vpulse 1 mA ...

Page 18: ...a redundant retransmission NC NC Every timer wake up signal GND NC Every 7th 14th timer wake up signal affected at random NC GND Every 70th 140th timer wake up signal affected at random GND GND 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 23...

Page 19: ...on The following diagrams are showing operational performance data of STM110C 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 0 1 2 3 4 5 6 0 5 10 15 20 25 charging time h Charging at 1000 lx Charging at 200 lx Charging at 50 lx Charging at 1000 lx Char...

Page 20: ...s h Voltage V_SC1 V 1 sec timer 0 1 2 3 4 5 6 0 30 60 90 120 150 Operating time in darkness h Voltage V_SC1 V 100 sec timer Telegram transmission at every wake up Telegram transmission every 10th wake up Telegram transmission every 100th wake up Telegram transmission at every wake up Telegram transmission every 10th wake up Telegram transmission every 100th wake up Voltage V_SC2 V Voltage V_SC2 V ...

Page 21: ...pproval requirements can be found in chapter 4 of this paper STM110C 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 8 bit 8 bit 8 bit 4 bit 32 bit AD_2 AD_1 AD_0 DI_3 0 ID Transmission timing The transmission timing of the radio module STM110C has been developed to avoid possi ble collisions with data package...

Page 22: ...mission 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 STM110C using the timer or the WAKE inputs The module will then enter the serial mode It will receiv...

Page 23: ...efault logic value is 1 3V A serial command consists of 14 bytes as shown in the following SYNC_BYTE1 A5 Hex SYNC_BYTE0 5A Hex HEADER ORG DATA_BYTE0 DATA_BYTE1 DATA_BYTE2 DATA_BYTE3 DATA_BYTE4 DATA_BYTE5 DATA_BYTE6 DATA_BYTE7 DATA_BYTE8 CHECKSUM SYNC_BYTE1 8 bit 0xA5 fixed SYNC_BYTE0 8 bit 0x5A fixed HEADER 8 bit 0x8B telegram sent from STM 0xAB telegram sent to STM ORG 8 bit 0 255 telegram type s...

Page 24: ..._SYS_WR or ERR_SYS_WR Command encoding Bit 7 Bit 0 0xA5 0x5A 0xAB 0x02 AD_2_MIN_VARIATION AD_1_MIN_VARIATION AD_0_MIN_VARIATION 0xXX 0xXX 0xXX 0xXX 0xXX 0xXX ChkSum AD_2_MIN_VARIATION Treshold at AD_2 0 0xFF LSB AD_1_MIN_VARIATION Treshold at AD_1 0 0xFF LSB AD_0_MIN_VARIATION Treshold at AD_0 0 0xFF LSB 0xXX Ignored field A reduction of the threshold values may lead to a higher number of transmis...

Page 25: ...YS_ID_DEV_MAN Description This message contains the manufacturer ID and the device profile and type Command encoding Bit 7 Bit 0 0xA5 0x5A 0x8B 0x00 DATA_BYTE3 DATA_BYTE2 DATA_BYTE1 0x00 ID_Byte3 ID_Byte2 ID_Byte1 ID_Byte0 0x00 ChkSum Data_Byte3 0 as follows Data_Byte3 Data_Byte2 Data_Byte1 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 Profile Type Manufacturer ID ID_Byte3 0 STM110 ID bytes In o...

Page 26: ...8B 0x8C SW Version Byte3 SW Version Byte2 SW Version Byte1 SW Version Byte0 0x00 0x00 0x00 0x00 0x00 ChkSum SW Version Byte3 0 Software version MSB first INF_SYS_AD_THRES Description This telegram contains the current threshold values at the analog inputs which lead to a radio transmission Command encoding Bit 7 Bit 0 0xA5 0x5A 0x8B 0x01 AD_2_MIN_VARIATION AD_1_MIN_VARIATION AD_0_MIN_VARIATION 0x0...

Page 27: ...18 2008 2 00 PM Page 26 40 STM110C OK_SYS_WR Description This message is sent after successful execution of a user request Command encoding Bit 7 Bit 0 0xA5 0x5A 0x8B 0x58 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 ChkSum ERR_SYS_WR Description This message is sent if the execution of a user request has failed Command encoding Bit 7 Bit 0 0xA5 0x5A 0x8B 0x19 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x...

Page 28: ...dule identifier Byte2 ID_BYTE1 module identifier Byte1 ID_BYTE0 module identifier Byte0 In case manufacturer ID device profile and type have been stored in the module the fol lowing telegram will be seen on the TCM200C TCM210C serial interface if DI_3 0 Description of STM110C learn telegram ORG 7 dec always EnOcean module type 4BS DATA_BYTE0 3 see below LRN Type 1 LRN 0 DI0 DI2 current status of d...

Page 29: ...n 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 i...

Page 30: ...iately around the antenna has to be strictly considered since this has a strong influence on screening and detuning the anten na 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 λ 4 For a ...

Page 31: ...nstalled 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 Typically 20m range through max 3 walls Ferroconcrete walls ceilings Typically 10m range through max 1 ceiling Fire safety walls elevator shafts staircases and supp...

Page 32: ... 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...

Page 33: ... 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 Temp...

Page 34: ... 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 ...

Page 35: ...oposed 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 movemen...

Page 36: ...rticularly 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 o...

Page 37: ...n resistance between bat tery and battery holder is 10Ω to avoid voltage drop 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 ...

Page 38: ... design cycle and devel opment costs for OEM integrators The module can be triggered manually or automatically which cases are described below Manual Activation The radio module can be configured to transmit a short packetized control signal if triggered manually The module can be triggered by pressing a switch for exam ple The packet contains one or more control signals that is are intended to co...

Page 39: ...s not permitted The label must include the following text Contains FCC ID SZV STM110C The enclosed device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions i this device may not cause harmful interference and ii this device must accept any interference re ceived including interference that may cause undesired operation The user manual for the end product m...

Page 40: ...ng 18a 82041 Oberhaching Germany Phone 49 89 6734 689 0 Fax 49 89 6734 689 50 info enocean com www enocean com Subject to modifications STM110C User Manual V0 904 February 18 2008 2 00 PM Page 39 40 STM110C 5 SPECIFICATION OF SS3513 SOLAR CELL ...

Page 41: ...ean GmbH Kolpingring 18a 82041 Oberhaching Germany Phone 49 89 6734 689 0 Fax 49 89 6734 689 50 info enocean com www enocean com Subject to modifications STM110C User Manual V0 904 February 18 2008 2 00 PM Page 40 40 STM110C ...

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