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USER MANUAL

EMDC

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ENOCEAN MOTION DETECTOR AND LIGHT LEVEL SENSOR

© 2020 EnOcean | www.enocean.com

EMDC User Manual | v1.0 | March 2020 | Page 43/75

8.4.8

Password authentication (PWD_AUTH) command

The protected memory area can be accessed only after successful password verification
via the PWD_AUTH command.

The PWD_AUTH command takes the password as parameter and, if successful, returns the
password authentication acknowledge, PACK.

Figure 25 below shows the password authentication sequence.

Figure 25

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Password authentication sequence

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Содержание Easyfit EMDC

Страница 1: ...al v1 0 March 2020 Page 1 75 Patent protected WO98 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 Observe precautions Electrostatic sensitive devices EMDC EnOcean Motion Detector And Light Level Sensor 30 11 2018 ...

Страница 2: ...t notice For the latest product specifications refer to the EnOcean website http www enocean com As far as patents or other rights of third parties are concerned liability is only assumed for 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 de...

Страница 3: ... 2 5 5 Ambient light test mode 13 2 5 6 Factory reset mode 13 2 6 Reporting interval 14 2 6 1 Energy considerations 14 2 6 2 Standard reporting interval 15 2 6 3 Occupancy controlled reporting interval 16 2 6 4 Illumination controlled reporting interval 17 2 6 5 Arbitration between reporting intervals 17 3 Sensor functionality 18 3 1 Motion detection 18 3 1 1 PIR detection characteristics 18 3 2 I...

Страница 4: ...hm 32 6 4 Secure teach in telegram 33 6 4 1 Security level format SLF 34 6 5 EMDC security implementation 34 7 EMDC commissioning 35 7 1 Radio based commissioning 36 7 2 QR code commissioning 36 7 2 1 Commissioning QR code structure 36 7 2 2 Commissioning QR code format 37 7 3 Commissioning via NFC interface 37 8 NFC interface 38 8 1 NFC interface parameters 38 8 2 NFC access protection 38 8 3 Usi...

Страница 5: ...58 9 5 16 TEMP_SENSOR_CFG 59 9 5 17 SOLAR_THRESHOLD 60 9 5 18 SOLAR_TX_INTERVAL 61 9 5 19 LIGHT_THRESHOLD 62 9 5 20 LIGHT_TX_INTERVAL 63 9 5 21 AMBIENT_LIGHT_TEST_RESULT 64 9 6 USER DATA 64 10 Installation recommendations 65 10 1 Setup instructions 65 10 2 Motion detection 66 10 3 Light level measurement 67 10 3 1 Ambient light sensor 67 10 3 2 Solar cell 68 10 4 Energy harvesting 68 10 5 NFC conf...

Страница 6: ... the latest motion detection status motion detected or no motion detected EMDC will report immediately if motion is detected for the first time after a period without detected motion e g when a person is entering a room EMDC will use EnOcean Equipment Profiles EEP of the EnOcean radio standard for the re porting of the motion detection status Depending on the selected EEP EMDC can additionally rep...

Страница 7: ...ately every 2 minutes every 1 minute Configurable via NFC Initial motion detection is reported immediately Supported EEP Selectable Via NFC A5 07 03 default A5 07 01 A5 08 01 A5 08 02 A5 08 03 User interface LRN button Sensitivity selection switch Notification LED Configuration interface NFC ISO 14443 Power supply Integrated solar cell Required illumination to sustain operation 200 lux for 6 hours...

Страница 8: ...ty 20 to 85 r h non condensing Note 1 PIR detection requires that the moving object to be detected is significantly warmer than its environment For the case of human motion this means that the environment needs to be significantly colder than the human body temperature of 36 5 C 98 F 1 4 Packaging information Packaging Unit 12 units Packaging Method Box pallet 1 5 Ordering information Type Orderin...

Страница 9: ...ng mounted motion and illumination sensor EMDC from EnOcean provides wireless motion and illumination sensing functionality without batteries Power is provided by a built in solar cell harvesting available light from the environment EMDC transmits sensor data based on the EnOcean radio standard using EnOcean Equipment Profiles EEP The outer appearance of EMDC is shown in Figure 1 below Figure 1 EM...

Страница 10: ...LED to provide user feedback Configuration of EMDC parameters is possible via an integrated NFC ISO 14443 interface EMDC is designed for ceiling mounting It can be mounted on most ceilings with suitable screws or mounted on dropped ceilings using wire brackets 2 3 External product interface The external product interface consists of the following items Infrared lens in conjunction with a passive i...

Страница 11: ...cessible after removing the wall mount plate If EMDC has not yet been mounted onto the ceiling then the wall mount plate can be removed by inserting a screwdriver or similar tool into the opening slot shown in Figure 2 and pushing the wall mount plate outwards If the EMDC wall mount plate is already attached to the ceiling then EMDC can be removed by gently pulling the housing A backup battery can...

Страница 12: ...ery 2 minutes during periods without detected motion and approximately every 1 minute during periods with detected motion If motion is detected for the first time after a period without motion then EMDC wakes up immediately Both the occupied and the unoccupied wake up intervals are affected at random in order to increase the robustness of the radio transmission and to comply with regulatory requir...

Страница 13: ...r 9 5 11 2 5 5 Ambient light test mode During installation EMDC can measure and report the amount of ambient light available at its solar cell in order to determine a suitable installation location as discussed in chapter 10 4 Upon activation of ambient light test mode EMDC will first wait for 15 seconds so that the installer can leave the area to ensure a relevant measurement result After that EM...

Страница 14: ...t is essential to determine the amount of harvestable energy EMDC harvests energy from the available ambient light therefore the amount of available energy is determined mainly by the intensity of the available light and the amount of time during which the light is available The amount of available ambient light can be determined by executing an ambient light test as described in chapter 2 5 5 The...

Страница 15: ...ribed below But under no circumstances will EMDC report with a longer reporting interval i e a lower update rate than the standard reporting interval The default setting for the standard reporting interval is one status update once every 120 seconds 2 minutes This means that under all conditions EMDC will at least report its status once every 120 seconds The standard reporting interval can be adju...

Страница 16: ... can therefore be configured to use a lower reporting interval i e a higher update rate while motion is detected The default setting of the occupied reporting interval is 60 seconds This setting can be changed using the OCCUPIED_TX_INTERVAL NFC register as described in chapter 9 5 13 Figure 5 below illustrates the use of the occupancy controlled reporting interval STANDARD_TX_INTERVAL OCCUPIED_TX_...

Страница 17: ...ght level controlled reporting interval would be used whenever the ambient light level is above a certain threshold In EMDC the light threshold and the reporting interval rate to be used when the measured light level is above the threshold can be configured using the NFC interface as defined in chapter 9 5 It is possible to define different thresholds and reporting intervals for the solar cell har...

Страница 18: ...f the backup battery if present These functions are described in detail in the subsequent chapters 3 1 Motion detection EMDC contains an integrated passive infrared PIR sensor that can detect moving objects based on the temperature difference between the moving object and its environment 3 1 1 PIR detection characteristics EMDC is designed to detect movement within a radius of up to 5 m 16 ft when...

Страница 19: ...ye Figure 8 Spectrum response of the illumination sensor 3 3 Illumination measurement solar cell EMDC can use SIGNAL telegrams as described in chapter 5 2 to report the light level by measuring the energy generated by the solar cell This functionality can be used both to ensure that sufficient ambient light is available to power the device and to measure incoming light if the solar cell is oriente...

Страница 20: ...the energy level amount of remaining energy and report this as a percentage between 0 empty and 100 fully charged The calculated energy level can be reported using SIGNAL telegrams as described in chapter 5 2 The measurement and reporting can be enabled and disabled via the SIGNAL register of the NFC interface as described in chapter 9 5 9 By default the reporting of the remaining energy is enable...

Страница 21: ...utton with the LED providing visual feedback Table 2 below lists those configuration actions Type Timing EMDC Response LED Response Single Short 1s Press Exit from Sleep Mode Send Learn Telegram 1 short blink Double Short 1s Press Start Walk Test End after 2 min or upon any button press 1 short blink every time movement is detected 1s Release 1s Press Triple Short 1s Press Toggle LED indication LE...

Страница 22: ...scharge characteristics The CR2032 backup battery can be inserted by gently pushing it into the backup battery slot Note that the positive terminal must face upwards away from the PCB The backup battery can be removed ejected by using a small non conductive item e g wooden toothpick to push the battery out via the battery ejection slot shown in Figure 2 Do not insert any tools into the battery slo...

Страница 23: ...e frequency and the device radio address Figure 9 below shows the EMDC device label for the case of EMDCA 868 3 MHz Figure 9 EMDCA Device Label The label in this example identifies the following parameters Device type EMDCA Product Revision DA 01 Manufacturing Date Week 50 2019 Radio address EURID 12345678 Operating frequency 868 3 MHz In addition to that the QR code in the bottom left corner that...

Страница 24: ...ill convert both ERP1 and ERP2 into the same EnOcean Serial Protocol ESP3 format so that this difference is normally not noticeable 5 1 1 ERP1 frame format The ERP1 radio frame format is shown in Figure 10 below RORG DATA SENDER EURID STATUS CRC Figure 10 ERP1 Frame Format The most relevant fields of the ERP1 frame are the following RORG containing the EEP or SIGNAL RORG SENDER EURID Device addres...

Страница 25: ...one byte sensor telegram 1BS four byte sensor telegram 4BS variable length tele gram VLD Universal Teach in with EEP UTE etc FUNC FUNC identifies the function group to which this telegram belongs e g the function group of temperature sensors within the four byte sensor telegram type VARIANT or TYPE VARIANT which is confusingly also called TYPE identifies the exact sensor variant within the functio...

Страница 26: ...d on the status of Bit28 If this bit is set to 0 then the telegram is a 4BS Teach in Telegram if this bit is set to 1 then the telegram is a 4BS Data Telegram 5 2 3 Signal telegram structure SIGNAL telegrams are used to encode generic system conditions independent of specific sensor functionality of the device Examples of such system conditions are internal energy level available ambient energy an...

Страница 27: ...n Detected Motion Not Detected 1 bit Light Level 0 1000 lx 10 bit A5 08 01 4BS Motion Detection Status Motion Detected Motion Not Detected 1 bit Light Level 0 510 lx 8 bit Temperature 0 51 C 8 bit A5 08 02 4BS Motion Detection Status Motion Detected Motion Not Detected 1bit Light Level 0 1020 lx 8 bit Temperature 0 51 C 8 bit A5 08 03 4BS Motion Detection Status Motion Detected Motion Not Detected...

Страница 28: ...via the SIGNAL configuration register of the NFC interface as described in chapter 9 5 9 By default the transmission of SIGNAL telegram type 0x06 energy status is enabled while the transmission of SIGNAL telegram type 0x0D energy delivery and 0x10 backup battery status is disabled EMDC will transmit each of the enabled SIGNAL telegram types once for every n EEP data telegrams with n being the conf...

Страница 29: ... of security has to be preventing an unauthorized person often referred to as an Attacker both from learning about the current state of a system and from actively changing it These goals can be achieved via techniques such as telegram encryption telegram authori zation and dynamic security key modification All three techniques will be reviewed in the subsequent chapters for reference 6 2 Telegram ...

Страница 30: ...nature algorithm the likelihood of two different messages creating the same message signature is inversely proportional to the signature size so for instance for 32 bit signatures the likelihood would be one approximately in 4 billion For message authentication purposes the message signature CMAC is typically appended to the message itself and transmitted together with it When the receiver receive...

Страница 31: ... the telegram data or the security key must change to ensure that identical input data does not create identical encrypted radio tele grams The mechanism used by the transmitter to change the telegram data or the security key has to be known to the receiver in order to correctly decrypt and authenticate received data telegrams The change of telegram data or security key is typically ensured by mea...

Страница 32: ...assigned at manufacturing and cannot be changed 6 3 2 Security key The security key is a random 128 Bit 16 byte value that is known only to the sender and the receiver s It is used to encrypt decrypt and authenticate telegrams 6 3 3 Rolling code The rolling code is a monotonously incrementing counter used to modify the encryption key of secure telegrams as described in chapter 6 2 2 The rolling co...

Страница 33: ...cryption and authentication used by for the communication with the remote device as described below Rolling Code 4 byte in default configuration The rolling code is used to constantly modify the security key to avoid message replay The rolling code is initialized to 0 at the time of production and increases for each transmission of a secure telegram EMDC uses 4 byte rolling code length by default ...

Страница 34: ...MAC 0b11 RFU 0b000 No data encryption 0b001 Deprecated 0b010 Deprecated 0b011 VAES using AES128 0b100 AES CBC using AES128 Others RFU Figure 19 SLF structure 6 5 EMDC security implementation EMDC supports both standard and high security modes as defined by EnOcean Alliance The security mode can be selected both via the LRN button and via the NFC interface For high security mode the default securit...

Страница 35: ...modified This is achieved by exchanging a 128 bit random security key used by EMDC to authenti cate its radio telegrams EMDC provides the following options for these tasks Radio based commissioning LRN Telegram EMDC can communicate its parameters via secure teach in telegrams as described in chapter 6 4 to the intended receiver Transmission of such telegrams can be trig gered by using the LRN butt...

Страница 36: ...ased commissioning mode is intended for applications where NFC commissioning can not be used Radio based commissioning can be disabled via NFC 7 2 QR code commissioning Each EMDC device contains a product label which can be used to commission EMDC via its commissioning QR code See chapter 4 5 for a description of the product label 7 2 1 Commissioning QR code structure Each device label contains a ...

Страница 37: ... below describes the ANSI MH10 8 2 data identifiers used by the EMDC device label and shows the interpretation of the data therein Identi fier Length of data excluding identifier Value 30S 12 characters Device Address EURID hex Z 32 characters Security Key hex 30P 10 characters Ordering Code E6201 K515 2P 4 characters Step Code Revision DA 01 S 14 characters Serial Number Table 5 QR code format 7 ...

Страница 38: ...ace of EMDC EMDC operation will automatically resume operation once the NFC reader has been disconnected 8 1 NFC interface parameters The NFC interface of EMDC uses NFC Forum Type 2 Tag functionality as specified in the ISO IEC 14443 Part 2 and 3 standards It is implemented using an NXP NT3H2111 Mifare Ultralight tag 8 2 NFC access protection Protected data access is only possible after unlocking ...

Страница 39: ...itech 2 HF NFC Reader or der code T4BT FB2BEL2 SIMPL from Elatec RFID Systems sales rfid elatec com This reader is shown in Figure 21 below Figure 21 Elatec TWN4 MultiTech Desktop NFC Reader with CDC interface 8 3 2 Smartphones with NFC NFC functionality is available in certain Android e g Samsung Galaxy S7 S8 S9 S10 and iOS iPhone7 or newer firmware version 13 or newer smartphones EnOcean provide...

Страница 40: ...ard For specific implementation aspects related to the NXP implementation in NT3H2111 please refer to the NXP documentation which at the time of writing was available under this link http cache nxp com documents data_sheet NT3H2111_2211 pdf The following chapters summarize the different functions for reference purposes 8 4 1 NFC interface state machine Figure 22 below shows the overall state machi...

Страница 41: ... the ANTICOLLISION or SELECT commands for cascade level 1 READY 1 state is exited after the SELECT command from cascade level 1 with the matching complete first part of the UID has been executed The NFC tag then proceeds into READY 2 state where the second part of the UID is resolved 8 4 4 READY 2 state READY 2 is the second UID resolving state where the NFC tag resolves the remaining 4 bytes of t...

Страница 42: ...in size For example if the specified address is 03h then pages 03h 04h 05h 06h are returned Spe cial conditions apply if the READ command address is near the end of the accessible memory area Figure 23 below shows the read command sequence Figure 23 NFC read command sequence 8 4 7 Write command The WRITE command requires a start page address and returns writes 4 bytes of data into that page Figure...

Страница 43: ...ication PWD_AUTH command The protected memory area can be accessed only after successful password verification via the PWD_AUTH command The PWD_AUTH command takes the password as parameter and if successful returns the password authentication acknowledge PACK Figure 25 below shows the password authentication sequence Figure 25 Password authentication sequence ...

Страница 44: ...mation about the NFC revision INTERNAL DATA Non accessible This area contains calibration values and internal parameters and cannot be used CONFIGURATION Read and Write access PIN required This area contains device configuration registers USER DATA Read and Write access PIN required This area allows the user to store up to 64 byte of data such as information about the installation or any other dat...

Страница 45: ...h of data excl identifier Value 6P 3 characters Standard ENO 30S 12 characters EURID 6 byte variable 1P 12 characters EnOcean Alliance Product ID STM 550 000B0000004C STM 550U 000B0000004D STM 550J 000B0000004E 30P 10 characters Ordering Code STM 550 S6201 K516 STM 550U S6251 K516 STM 550J S6261 K516 2P 4 characters Step Code and Revision DA04 2Z 14 characters NFC UID 14 byte globally unique 3C 2 ...

Страница 46: ...xE0 LENGTH This field identifies the length of the NFC header For EMDC this field is set to 0x0A since the header structure is 10 bytes long VERSION This field identifies the major revision and is set to 0x01 currently OEM The 16 bit OEM field identifies the manufacturer of the device so that manufacturer specific layout implementations can be determined For EnOcean GmbH this field is set to 0x000...

Страница 47: ...ll not accept the setting of non valid values for its parameters If any parameter is non valid then all changes made will be rejected and the previous configuration will be restored 9 5 2 CONFIGURATION area structure The structure of the CONFIGURATION area is shown in Figure 27 below NFC Address Content Byte 0 Byte 1 Byte 2 Byte 3 0x40 PRODUCT_ID as characters in ASCII format Will be copied to NDE...

Страница 48: ... ID consists of a 2 byte manufacturer identification code as signed by EnOcean Alliance and a 4 byte product identification code assigned by the man ufacturer EnOcean has been assigned the manufacturer identification code 0x000B EnOcean has as signed the following product identification codes to EMDC EMDCA 0000004F EMDCU 00000050 EMDCJ 00000051 The PRODUCT_ID register contains the Product ID in AS...

Страница 49: ...s not possible to read back a user defined security key 9 5 6 SECURITY_KEY_MODE The register SECURITY_KEY_MODE allows selecting if FACTORY_KEY or USER_KEY should be used to encrypt and authenticate EMDC radio telegrams in high security mode In addi tion it allows disabling the transmission of Secure Teach in telegrams in order to protecting the security key Note that if the transmission of a secur...

Страница 50: ...ECURITY_MODE Default 0x00 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 RFU SECURITY FORMAT SECURITY MODE Figure 30 SECURITY_MODE register The encoding for the SECURITY MODE bit field is shown in Table 10 below SECURITY MODE Security Mode 0b00 Default Standard can be changed by the user with the LRN button 0b01 High Security can be changed by the user with the LRN button 0b10 Standard cannot be ...

Страница 51: ...he transmission of data telegrams Figure 31 below shows the structure of the EEP register EEP Default 0x00 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 RFU EEP Figure 31 EEP register The encoding used by the SIZE bit field is shown in Table 12 below EEP EnOcean Equipment Profile 0b0000 Default A5 07 03 0b0001 A5 07 01 0b0010 A5 08 01 0b0011 A5 08 02 0b0100 A5 08 03 Others Reserved do not use Ta...

Страница 52: ...guration bit in the SIGNAL register to 0b1 and disabled by setting the associated con figuration bit to 0b0 By default the reporting of the energy status MID 0x06 is enabled while the reporting of energy delivery MID 0x0D and backup battery status MID 0x10 is disabled EMDC allows additionally to configure at what rate each enabled SIGNAL telegram will be sent using the TRANSMISSION RATE bit field ...

Страница 53: ...ster determines the brightness of the LED Figure 33 below shows the structure of the LED_MODE register LED_MODE Default 0x02 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 RFU LED Figure 33 LED_MODE register The encoding used by the LED bit field is shown in Table 14 below LED LED Intensity 0b00 OFF 0b01 Low 0b10 Default Medium 0b11 High Table 14 LED bit field encoding ...

Страница 54: ...efault 0x00 OOB 0x01 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 RFU MODE Figure 34 FUNCTIONAL_MODE register The encoding used by the MODE bit field is shown in Table 15 below MODE Functional Mode 0b0000 Default Standard Operation Mode 0b0001 Standby Sleep Mode 0b0010 Learn Mode 0b0011 Walk Test Mode 0b0100 Illumination Test Mode 0b0111 Factory Reset Others Reserved Do not use Table 15 MODE bi...

Страница 55: ..._TX_INTERVAL shown in Figure 35 below The default setting of the standard reporting interval is 120 seconds STANDARD_TX_INTERVAL Default 0x0078 Bit 15 Bit 14 Bit 1 Bit 0 STANDARD INTERVAL Figure 35 STANDARD_TX_INTERVAL register The encoding used by the STANDARD INTERVAL bit field is shown in Table 16 below STANDARD INTERVAL Standard Reporting Interval 0x0000 0x0001 0x0002 Not supported Do not use ...

Страница 56: ...s reporting interval is set by the register OCCUPIED_TX_INTERVAL shown in Figure 36 below OCCUPIED_TX_INTERVAL Default 0x003C Bit 15 Bit 14 Bit 1 Bit 0 OCCUPIED INTERVAL Figure 36 OCCUPIED_TX_INTERVAL register The encoding used by the OCCUPIED INTERVAL bit field is shown in Table 17 below OCCUPIED INTERVAL Occupied Reporting Interval 0x0000 0x0001 0x0002 Not supported Do not use 0x0003 3 seconds m...

Страница 57: ...THRESHOLD_CFG register The encoding used by the SOLAR CELL bit field is shown in Table 18 below SOLAR CELL Reporting interval reduction based on solar cell illumination 0b00 Default Disabled No reporting interval reduction 0b01 Reserved Do not use 0b10 Enabled Reporting interval reduction if light above threshold 0b11 Reserved Do not use Table 18 SOLAR CELL bit field encoding The encoding used by ...

Страница 58: ...t light sensor and to chapter 3 3 for a description of the solar cell functionality The selection between these two options is made by using the LIGHT_SENSOR_CFG regis ter shown in Figure 38 below LIGHT_SENSOR_CFG Default 0x00 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 RFU INPUT SELECTION Figure 38 LIGHT_SENSOR_CFG register The encoding used by the INPUT SELECTION bit field is shown in Table ...

Страница 59: ...ng the TEMP_SENSOR_CFG registers shown in Figure 39 below TEMP_SENSOR_CFG Default 0x14 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 TEMP OFFSET Figure 39 TEMP_SENSOR_CFG register The encoding used by the OFFSET bit field is shown in Table 21 below TEMP OFFSET Full scale value of the acceleration sensor 0x00 Default No offset 0x01 0 1 K Offset reported value higher than measured value 0x02 0 2 K...

Страница 60: ...shown in Figure 40 below SOLAR_THRESHOLD Bit 15 Bit 14 Bit 1 Bit 0 SOLAR CELL THRESHOLD Figure 40 SOLAR_THRESHOLD register The encoding used by the SOLAR CELL THRESHOLD bit field is shown in Table 22 below SOLAR CELL THRESHOLD Threshold 0x0000 0 lux minimum setting 0x00C8 Default 200 lux seconds default setting 0xFFFF 65535 lux maximum setting Table 22 SOLAR CELL THRESHOLD bit field encoding The d...

Страница 61: ... 14 Bit 1 Bit 0 SOLAR CELL INTERVAL Figure 41 SOLAR_TX_INTERVAL register The encoding used by the SOLAR CELL INTERVAL bit field is shown in Table 23 below SOLAR CELL INTERVAL Solar cell illumination based reporting interval 0x0000 0x0001 0x0002 Not supported Do not use 0x0003 3 seconds minimum setting 0x003C Default 60 seconds default setting 0xFFFF 65535 seconds maximum setting Table 23 SOLAR CEL...

Страница 62: ...fined by LIGHT_THREHOLD register as shown in Figure 42 below LIGHT_THRESHOLD Bit 15 Bit 14 Bit 1 Bit 0 LIGHT SENSOR THRESHOLD Figure 42 LIGHT_SENSOR_THRESHOLD register The encoding used by the LIGHT SENSOR THRESHOLD bit field is shown in Table 24 below LIGHT SENSOR THRESHOLD Threshold 0x0000 0 lux minimum setting 0x00C8 Default 200 Lux seconds default setting 0xFFFF 65535 lux maximum setting Table...

Страница 63: ...IGHT SENSOR INTERVAL Figure 43 LIGHT_TX_INTERVAL register The encoding used by the LIGHT SENSOR INTERVAL bit field is shown in Table 25 below LIGHT SENSOR INTERVAL Light sensor illumination based reporting interval 0x0000 0x0001 0x0002 Not supported Do not use 0x0003 3 seconds minimum setting 0x003C Default 60 seconds default setting 0xFFFF 65535 seconds maximum setting Table 25 LIGHT SENSOR INTER...

Страница 64: ...Bit 15 Bit 14 Bit 1 Bit 0 AMBIENT LIGHT TEST RESULT Figure 44 AMBIENT_LIGHT_TEST_RESULT register The field AMBIENT LIGHT TEST RESULT will provide the measured average light level ex pressed as integer value between 1 lux and 65535 lux This field will be set to zero if the test is in progress or has not been executed yet 9 6 USER DATA The USER DATA area allows the user to read and write up to 64 by...

Страница 65: ...interval by default once every 60 seconds The LED will blink every time a telegram is trans mitted unless this has been disabled via NFC 4 Use a suitable receiver to capture the EMDC data telegrams and verify that all re quired parameters are reported Consider disabling the measurement and reporting of non required parameters to conserve energy 5 Check the light level reported by EMDC at the inten...

Страница 66: ...from the sensor to the person s in the detection area is required Walls room dividers plants book shelfs hanging lights or other obstacles within the line of sight can limit the detection performance The following factors should be considered to avoid the unintended detection of other warm moving objects Rapid temperature changes in the vicinity of the PIR detector e g caused by fans or fan heater...

Страница 67: ...e most common application for a ceiling mounted illumination sensor is to measure the light level at a working desk surface underneath In this application the meas ured light level depends on the reflectivity of the surface Simply put a dark desk surface will give a totally different result compared to a white desk surface even when the same luminous flow is directed towards it Obstruction Any obs...

Страница 68: ...0 4 Energy harvesting EMDC is powered by ambient light using its integrated solar cell For best performance it is therefore essential to maximize the amount of light available for harvesting Harvestable light will typically be either natural light daylight coming in through windows sky lights etc or artificial light direct or reflected light from indoor luminaires If natural light is available e g...

Страница 69: ...n the available ambient light as discussed in chapter 2 6 1 Be especially careful not to configure higher update rates low reporting intervals before ensuring that sufficient light is available Should you be unsure about the current NFC configuration then execute a factory reset as described in chapter 2 5 6 to reset all configuration registers to their default setting After completing the NFC con...

Страница 70: ...com 11 1 2 Waste treatment WEEE Directive Statement of the European Union The marking below indicates that this product should not be disposed with other household wastes throughout the EU To prevent possible harm to the environment or human health from uncontrolled waste disposal recycle it responsibly to promote the sustainable reuse of material resources Germany WEEE Reg No DE 93770561 BATTERY ...

Страница 71: ...NSOR 2020 EnOcean www enocean com EMDC User Manual v1 0 March 2020 Page 71 75 11 2 FCC United States EMDCU uses the TCM 515U module which has been tested against and is in compliance with FCC Part 15 Subpart B Class B 11 2 1 FCC Grant Of Equipment Authorization ...

Страница 72: ...ty to operate the equipment Interference This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accord...

Страница 73: ...an www enocean com EMDC User Manual v1 0 March 2020 Page 73 75 11 3 ISED former Industry Canada Certification EMDCU uses the TCM 515U module which has been tested and meets the requirements of Industry Canada s license exempt RSSs 11 3 1 ISED Technical Acceptance Certificate ...

Страница 74: ...se interference and 2 This device must accept any interference including interference that may cause undesired operation of the device Le présent appareil est conforme aux CNR d Industrie Canada applicables aux appareils radio exempts de licence L exploitation est autorisée aux deux conditions suivantes 1 l appareil ne doit pas produire de brouillage et 2 l utilisateur de l appareil doit accepter ...

Страница 75: ...R 2020 EnOcean www enocean com EMDC User Manual v1 0 March 2020 Page 75 75 12 Product history Table 26 below lists the product history of EMDC Revision Release date Key changes versus previous revision DA 03 March 2020 First public release Table 26 Product History ...

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