Wurth Elektronik Telesto-II User Manual
  1. Manuals
  2. Brands
  3. Wurth Elektronik Manuals
  4. Control Unit
  5. Telesto-II
  6. User manual

Wurth Elektronik Telesto-II User Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
U
SER MANUAL
T
-II
ELESTO
AMB9626 / 2607021191010
V
2.4
ERSION
M
19, 2023
AY

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Telesto-II and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Wurth Elektronik Telesto-II

Summary of Contents for Wurth Elektronik Telesto-II

  • Page 1 SER MANUAL ELESTO AMB9626 / 2607021191010 ERSION 19, 2023...
  • Page 2 *************** MUST READ Check for firmware updates Before using the product make sure you use the most recent firmware version, data sheet and user manual. This is especially important for Wireless Connectivity products that were not purchased directly from Würth Elektronik eiSos. A firmware update on these respective products may be required.
  • Page 3 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II Revision history Manual Notes Date version version version 1.0 - 1.0.0 - April 2018 • Initial version 1.1.0 November 1.1.0 • New corporate design and structure 2018 • Added chapter February 1.1.0 2019 •...
  • Page 4 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II Abbreviations Abbreviation Name Description Acknowledgement pattern confirming the reception of Acknowledgement the transmitted data packet. Checksum Transmission time in relation of one hour. 1% means, Duty cycle channel is occupied for 36 seconds per hour.
  • Page 5 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II Contents Overview of helpful application notes 1. Introduction 1.1. Operational description .......
  • Page 6 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 7.3. Modification of volatile parameters ......27 7.3.1. CMD_SET_MODE_REQ ......28 7.3.2.
  • Page 7 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8.14.2. Example 2: ........48 8.15.
  • Page 8 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 12. Custom firmware 12.1. Custom configuration of standard firmware ....71 12.2. Customer specific firmware ......71 12.3.
  • Page 9 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 21. Regulatory compliance information 21.1. Important notice FCC ....... . 98 21.2.
  • Page 10 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II Overview of helpful application notes Application note ANR008 - Wireless Connectivity Software Development Kit http://www.we-online.com/ANR008 To ease the integration of the Würth Elektronik eiSos radio modules into an application, Würth Elektronik eiSos offers the corresponding Software Development Kit (SDK) for most commonly used host processors.
  • Page 11 They can be deployed wherever the comparatively rare wireless exchange of small data pack- ets between two or more parties is required. The asynchronous Frequency Hopping (FHSS) used in Telesto-II has some specific requirements that needs to be taken into account when setting up a network by adopting the module’s configuration parameters.
  • Page 12 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 1.2. Block diagram Figure 1: Block diagram 1.3. Ordering information WE order code Former order code Description 2607021191010 AMB9626 Radio module 915MHz, FHSS Evaluation kit including evaluation board and USB 2607029291011 AMB9626-EV dongle...
  • Page 13 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 2. Electrical specifications As not otherwise stated measured on the evaluation board for Telesto-II with T = 25°C, VCC = 3.3 V, internal DC-DC converter active and 50 conducted. 2.1. Recommended operating conditions Description Min.
  • Page 14 2.3.1. Static The stated current consumption is the sum of the CPU current and the radio current, depending on the active radio mode. Conditions: Telesto-II-EV with T = 25 °C, VCC = 3.3 V, terminated unused module pads and conducted. Description Typ.
  • Page 15 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 2.4. Radio characteristics Conditions: Telesto-II-EV, T = 25 °C, VCC = 3.0 V, terminated unused module pads, 50 conducted. The user configurable value (default = 10 dB) must be taken into account for any range consideration as it reduces the link budged by the configured value.
  • Page 16 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 3. Pinout RESERVED TX_IND UTXD RX_IND URXD /RESET /RTS RESERVED /CTS RESERVED /DATA_IND RESERVED RESERVED RESERVED /CONFIG TRX_DIS /DATA_REQ RESERVED RESERVED Figure 2: Pinout Designation Description Antenna connection, 50 Supply Ground Supply Supply voltage...
  • Page 17 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II UART clear to send. HIGH signal indicates host busy. Disabled by default. /CTS Input If the pin function is disabled, connect it to GND. Packet receive indication. Goes LOW as soon as a...
  • Page 18 If the module has to be connected to a PC, an adapter (TTL to RS-232 or TTL to USB) has to be used. The Telesto-II-EV is suited for this. In the default configuration all module inputs (TRX_DIS and /CONFIG) are activated and must be connected as shown in table .
  • Page 19 You just used the so called "transparent mode" of the modules to send your data. The address mode that was used is "0". Thus all radio frames are broadcasts that can be received by any- one listening with an Telesto-II in default settings. The frame you sent was generated using the timeout method.
  • Page 20 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 5. Functional description 5.1. Operating modes The Telesto-II can be used in the following operating modes: 1. Transparent mode (transparent data transmission) 2. Command mode (module configuration and data transmission using the predefined com- mand interface) The operating mode after power-up can be configured by means of the...

  • Page 21: Communication In Transparent Mode

    WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 5.1.3. Transparent mode In this mode, data is received via the serial interface and initially buffered. As soon as a spe- cific condition is met, the RF telegram is generated with a preamble, checksum, and address information (optional).
  • Page 22 If the /RTS pin is ignored it could lead to malfunctions of the module. 5.1.4. Command mode This operating mode primarily serves the module configuration. The module Telesto-II acts as a slave and can be fully controlled by an external host using the predefined command interface described in chapter .
  • Page 23 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II In command mode, the command , that has the destination address as an own parameter, can be used to send your data to the specified address. A broadcast message can still be achieved when using 0xFF (255) for both destination address LSB and destination net Order code 2607021191010 Version 2.4, May 2023...
  • Page 24 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 6. Host connection The configuration in factory state of the UART is 9600 Baud with data format of 8 data bits, no parity and 1 stop bit ("8n1"). The data rate is adjusted through a configuration structure. The structure allows the con- figuration of the non-volatile parameters...

  • Page 25: Telegram Format In The Command Mode

    WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 7. The command interface In the command mode, communication with the module occurs in the form of predefined com- mands. These commands must be sent in telegrams according to the format described in table .
  • Page 26 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II Start signal Command Payload length Payload 0x02 0x00 1 Byte Payload length Bytes 1 Byte Response: Start signal Command | 0x40 Length Status 0x02 0x40 0x01 1 Byte 1 Byte Status: 0x00: ACK received or not requested (...
  • Page 27 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II Start signal | 0x40 Length Status 0x02 0x40 0x01 1 Byte 1 Byte Status: 0x00: ACK received or not requested ( is 0 or is 0) 0x01: no ACK received, if requested 0x02: invalid channel selected 7.1.3.
  • Page 28 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II Start signal Command Length 0x02 0x0C 0x00 0x0E Response: Start signal Command | 0x40 Length Firmware version 0x02 0x4C 0x03 3 Bytes 1 Byte The main version number is returned first, followed by the secondary version number and the revision number.
  • Page 29 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 7.2.4. CMD_RSSI_REQ This command returns the RX level of the last received radio frame start indicator "SYNC" (so even for frames with bit errors in the payload the RSSI value is updated) determined by the transceiver IC in the form of a signed two’s complement.
  • Page 30 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 7.3.1. CMD_SET_MODE_REQ This command is used to toggle the operating mode, e.g. to exit the command mode. The new operating mode is loaded into the volatile runtime settings. This and all other commands can be used in command mode only.
  • Page 31 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II Start signal Command Length Destination network ID 0x02 0x07 0x01 1 Byte 1 Byte Return: Start signal Command | 0x40 Length Status 0x02 0x47 0x01 1 Byte 1 Byte Status: 0x00: success 7.3.4. CMD_SET_DESTADDR_REQ This command serves to configure the destination address in addressing modes 1 and 2.
  • Page 32 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II The modified parameters only take effect after a restart of the module. This can be done by a or using the /RESET pin. The validity of the specified parameters is not verified by the application. Incor- rect values can result in device malfunction up to a scenario where the firmware...
  • Page 33 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 7.4.2. CMD_GET_REQ This command can be used to query individual or multiple user settings parameters. The re- quested number of bytes from the specified memory position are returned. You can query individual or multiple consecutive parameters in the memory at the same time.
  • Page 34 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8. UserSettings - Module configuration values 8.1. Difference between volatile and non-volatile settings The so-called UserSettings are stored permanently into the internal flash of the module. At start-up, these UserSettings are loaded as start values into the volatile settings ("RuntimeSet- tings").

  • Page 35: Table Of Contents

    WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II Timeout after the last character before the data received via UART are 2 - 65535 transmitted via wireless transmission [ms] Delay between signal by pin /DATA_INDICATION and 0 - 65535 beginning of output by UART...
  • Page 36 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II Index for predefined radio settings Table 10: Overview of non-volatile user-settings Order code 2607021191010 Version 2.4, May 2023 www.we-online.com/wcs...
  • Page 37 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8.3. UART_PktMode Permissible Default Memory Designation Summary Length values value position Selects the packet 0, 1 generation method Selects the packet mode used for generating packets for the transparent operating mode. In command mode the packet end is defined by the length information in the packet header. Only used in = transparent.
  • Page 38 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II Start signal Command | 0x40 Length + 2 Memory Position Length Parameter 0x02 0x4A 0x03 0x05 0x01 0x00 0x4F Successfully read the value of as 0. Order code 2607021191010 Version 2.4, May 2023...
  • Page 39 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8.4. UART_PktSize Permissible Default Memory Designation Summary Length values value position Number of characters for transmission start with set 1 - 120 packet size Maximum number of bytes after which the wireless transmission of the data received via UART starts.
  • Page 40 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8.5. UART_RTSLimit Permissible Default Memory Designation Summary Length values value position Number of received characters after which 1-120 /RTS responds Number of bytes after which the host system is prompted to interrupt the data transfer over /RTS.
  • Page 41 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8.6. UART_ETXChar Permissible Default Memory Designation Summary Length values value position End-of-text character used to mark data packets, reception 0 - 255 of this character triggers wireless transmission End-of-text character that triggers the transmission of the data received via UART. Only used in packet mode 1 and in = transparent.
  • Page 42 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8.7. UART_Timeout Permissible Default Memory Designation Summary Length values value position Timeout for radio send data trigger (after the last received 2 - 65535 UART character) [ms] The timeout defines the delay in milliseconds in transparent mode after the last character has been received by the UART before the wireless transmission starts.

  • Page 43: Delay Between Signal By Pin

    WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8.8. UART_DIDelay Permissible Default Memory Designation Summary Length values value position Delay between signal by pin /DATA_INDICATION and 0 - 65535 beginning of UART transmission to host [ms] This parameter determines the delay in milliseconds between the indication of incoming RF data by the /DATA_INDICATION pin and the output of the data on UART.

  • Page 44: Number Of Wireless Retries

    WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8.9. MAC_NumRetrys Permissible Default Memory Designation Summary Length values value position Number of wireless 0 - 255 retries Determines the maximum number of wireless transmission retries. If this parameter is set to a value other than 0, the receiver module will automatically be prompted to send a wireless ac- knowledgement ("ACK").
  • Page 45 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8.10. MAC_AddrMode Permissible Default Memory Designation Summary Length values value position Addressing mode to 0 - 2 Addressing mode selection. The following modes have been implemented: • No addressing (mode 0): Each module receives the transmitted RF telegram and delivers the received data to the host system via UART.
  • Page 46 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II Start signal Command | 0x40 Length Status 0x02 0x49 0x01 0x00 0x4A Request successfully received and processed 8.10.2. Example 2: Read the from memory position 21 and length 1. Command: Start signal Command...

  • Page 47: Default Destination Network Id

    WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8.11. MAC_DefaultDestNetID Permissible Default Memory Designation Summary Length values value position Default destination 0 - 255 network ID Destination network address which is used in addressing mode 2. Can be modified with the command at runtime (volatile).

  • Page 48: Default Destination Address

    WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8.12. MAC_DefaultDestAddrLSB Permissible Default Memory Designation Summary Length values value position Default destination 0 - 255 address (LSB) Least significant byte of the destination address which is used in addressing modes 1 and 2.

  • Page 49: Own Network Id

    WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8.13. MAC_DefaultSourceNetID Permissible Default Memory Designation Summary Length values value position Own/Local network 0 - 254 Source network ID to be used in addressing mode 2. 8.13.1. Example 1: Set the parameter to 1.

  • Page 50: Own Address (Lsb)

    WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8.14. MAC_DefaultSourceAddrLSB Permissible Default Memory Designation Summary Length values value position Own/Local 0 - 254 address (LSB) Source device address to be used in addressing modes 1 and 2. 8.14.1. Example 1: Set the parameter to 1.

  • Page 51: Waiting Time For Wireless

    WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8.15. MAC_ACKTimeout Permissible Default Memory Designation Summary Length values value position Waiting time for wireless 5 - 65535 acknowledgement [ms] Time to wait for a RF acknowledgement before a RF retry is triggered.

  • Page 52: Output Power [Dbm]; Value

    WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8.16. PHY_PAPower Permissible Default Memory Designation Summary Length values value position Output power [dBm], value range depends on RF -11 - 15 configuration complement on Parameter for the RF output power of the module. The maximum permissible output depends on the used RF configurations.
  • Page 53 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II Start signal Command Length Memory Position Amount of Bytes 0x02 0x0A 0x02 0x29 0x01 0x22 Response: Start signal Command | 0x40 Length + 2 Memory Position Length Parameter 0x02 0x4A 0x03 0x29 0x01...

  • Page 54: Length Of The Preamble Used For Channel Hopping [Ms] 5 - 65535 50 44

    WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8.17. PHY_LongPreambleTimeout Permissible Default Memory Designation Summary Length values value position Length of the preamble used for 5 - 65535 channel hopping [ms] This value specifies the length of the preamble sent in advance to the payload data packet.
  • Page 55 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II Start signal Command Length Memory Position Amount of Bytes 0x02 0x0A 0x02 0x2C 0x02 0x24 Response: Start Command | Memory Parameter Length + 2 Length signal 0x40 position 0x02 0x4A 0x04 0x2C 0x02...

  • Page 56: Rssi Value [Db] Over Noise

    WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8.18. PHY_RSSIThreshold Permissible Default Memory Designation Summary Length values value position RSSI value [dB] over noise level that determines the 6 - 40 threshold for active channel detection This value determines the dynamic threshold that is used to detect an active channel. The...
  • Page 57 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II Start signal Command | 0x40 Length Status 0x02 0x49 0x01 0x00 0x4A Request successfully received and processed 8.18.2. Example 2: Read the from memory position 46 and length 1. Command: Start signal Command...

  • Page 58: Operating Mode, Transparent 0, 16 60

    WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8.19. OpMode Permissible Default Memory Designation Summary Length values value position Operating mode 0, 16 Choose between operating modes. Can be selected between mode 0 (transparent data trans- fer) and mode 16 (command mode).
  • Page 59 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8.20. CfgFlags Permissible Default Memory Designation Summary Length values value position Flags for setting various 0 - 65535 properties see chapter 16-bit field in which the use of individual pins or signals can be disabled. Table represents a description of the respective flags.
  • Page 60 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II Warning: If both bit 0 and bit 2 are set, the module can no longer be set to the command mode. This parameter set consisting of two bytes has to be transferred LSB first. That means, first the byte with bits 0 ...

  • Page 61: Symbol Rate Of The Uart

    Symbol rates up to 115200 Baud are supported. Default symbol rate is 9600 Baud. Please note that for baud rates higher than 9600 Baud the LPM has a higher energy consump- tion. The maximum usable UART baudrate on Telesto-II is, due to timing require- ments of the FHSS, 19200 Baud. 8.21.1. Example 1: Set the to 19200 Baud.
  • Page 62 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II Start Command | Memory Parameter Length + 2 Length signal 0x40 position 0x80 0x25 0x00 0x00 0x02 0x4A 0x06 0x50 0x04 0xD9 Successfully read the value of as 9600 Baud (0x00002580). Order code 2607021191010 Version 2.4, May 2023...

  • Page 63: Number Of Data Bits

    WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8.22. UART_Databits Permissible Default Memory Designation Summary Length values value position Number of data bits 7, 8 An 8 bit field that contains the number of data bits on the communication interface. Supported values are 7 and 8.
  • Page 64 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8.23. UART_Parity Permissible Default Memory Designation Summary Length values value position Parity 0, 1, 2 Parity mode value ’n’ no parity ’e’ even parity ’o’ odd parity An 8 bit field that contains the parity mode for the communication interface.
  • Page 65 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II Start signal Command | 0x40 Length + 2 Memory Position Length Parameter 0x02 0x4A 0x03 0x55 0x01 0x00 0x1F Successfully read the value of as 0 (’n’ no parity). Order code 2607021191010 Version 2.4, May 2023...
  • Page 66 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8.24. UART_Stoppbits Permissible Default Memory Designation Summary Length values value position Stop bits 1, 2 An 8 bit field that contains the number of stop bits for the communication interface. Supported are 1 and 2 stop bits.

  • Page 67: Rf Profiles

    WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 8.25. RF_ConfigIndex Permissible Default Memory Designation Summary Length values value position Index for predefined radio settings An 8 bit field that addresses the applied RF configuration. RF_ConfigIndex Data rate (gross) [kcps] Modulation 38.4 GFSK Table 12: RF profiles...
  • Page 68 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 9. Timing parameters 9.1. Reset behavior Following a reset, a low on the /RTS pin signals that the module is ready for operation. This level is however only valid, after the delay required for the internal initialization of the processor (a few µs).
  • Page 69 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II (FIFO). The wireless transmission starts as soon as the first data is available in the transceiver memory. During the continuous wireless transmission the remaining payload data is transmitted byte by byte. On the receiver side, the FIFO is read as soon as an incoming packet is detected.
  • Page 70 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 10. Radio parameters The 915MHz frequency band is split into the channels of Table , where the band limit chan- nels 200 and 252 are not to be used for any RF activity. They are chosen with equal distances of 500 kHz so that the neighbor channels should not disturb each other at the default RF data rate (38400 Baud) in a normal network setup (i.e.

  • Page 71: Channel Hopping For A 10 Channel System

    WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II Figure 4: Channel hopping for a 10 channel system Order code 2607021191010 Version 2.4, May 2023 www.we-online.com/wcs...
  • Page 72 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 11. Battery powered operation The TRX_DIS pin can set the module to one of two different modes of operation. 11.1. Active mode When TRX_DIS is low, the module is permanently ready to receive and forward data via UART or wireless transmission.
  • Page 73 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 12. Custom firmware 12.1. Custom configuration of standard firmware The configuration of the standard firmware includes adoption of the non-volatile Usersettings (see chapter ) to customer requirements and creating a customized product based on the standard product.
  • Page 74 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II The qualification(s) and certification(s) of the standard firmware cannot be ap- plied to this customer firmware solution without a review and verification. 12.4. Contact for firmware requests Please contact your local field sales engineer (FSE) or WCS@we-online.com for quotes re- garding these topics.
  • Page 75 Ensure your levels are in the range of the electrical specification as shown in chapter Users must make sure that their host is not accessing the Telesto-II RX line (i.e. pulling it HIGH or LOW) as that will prevent ACC to access the module.
  • Page 76 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II As long as our standard firmware is running on the module, it can be updated with the PC utility "ACC" via the serial interface. If the module is not directly connected to a PC, then at least the UART should be made accessible, e.g.
  • Page 77 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 14. Firmware history Version 1.0.0 "Production" • First product release. Version 1.1.0 "Production" • Improved channel detection method for frequency hopping. Order code 2607021191010 Version 2.4, May 2023 www.we-online.com/wcs...
  • Page 78 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 15. Design in guide 15.1. Advice for schematic and layout For users with less RF experience it is advisable to closely copy the relating evaluation board with respect to schematic and layout, as it is a proven design. The layout should be conducted with particular care, because even small deficiencies could affect the radio performance and...
  • Page 79 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II • Elements for ESD protection should be placed on all pins that are accessible from the outside and should be placed close to the accessible area. For example, the RF-pin is accessible when using an external antenna and should be protected.

  • Page 80: Placement Of The Module With Integrated Antenna

    WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II • Filter and blocking capacitors should be placed directly in the tracks without stubs, to achieve the best effect. • Antenna matching elements should be placed close to the antenna / connector, blocking capacitors close to the module.

  • Page 81: Dimensioning The Antenna Feed Line As Micro Strip

    WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II Figure 7: Dimensioning the antenna feed line as micro strip lead to a trace width of W ~ 1.9 mm. To ease the calculation of the micro strip line (or e.g. a coplanar) many calculators can be found in the internet.
  • Page 82 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 15.3.1. Wire antenna An effective antenna is a /4 radiator with a suiting ground plane. The simplest realization is a piece of wire. It’s length is depending on the used radio frequency, so for example 8.6 cm 868.0 MHz and 3.1 cm for 2.440 GHz as frequency.

  • Page 83: Mhz Dipole-Antenna

    WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 15.3.4. Antennas provided by Würth Elektronik eiSos 15.3.4.1. 2600130081 - Hyperion-I - 868 MHz dipole antenna Figure 8: 868 MHz dipole-antenna Ideally suited for applications where no ground plane is available. The 2600130081 antenna can be also used for 902MHz - 928MHz range.

  • Page 84: Mhz Dipole-Antenna

    WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 15.3.4.2. 2600130083 - Hydra-I - 915 MHz dipole antenna Figure 9: 915 MHz dipole-antenna Ideally suited for applications where no ground plane is available. Specification Value Center frequency [MHz] Frequency range [MHz] 868 – 928...
  • Page 85 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 16. Reference design Telesto-II was tested and certified on the corresponding Telesto-II evaluation board. For the compliance with the EU directive 2014/53/EU Annex I, the evaluation board serves as refer- ence design. This is no discrepancy due to the fact that the evaluation board itself does not fall within the scope of the EU directive 2014/53/EU Annex I as the module is tested on the evaluation board, which is also the recommended use.
  • Page 86 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 16.1. Schematic Order code 2607021191010 Version 2.4, May 2023 www.we-online.com/wcs...
  • Page 87 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II Order code 2607021191010 Version 2.4, May 2023 www.we-online.com/wcs...
  • Page 88 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 16.2. Layout Figure 10: Assembly diagram Figure 11: Top and Bottom Layer Order code 2607021191010 Version 2.4, May 2023 www.we-online.com/wcs...
  • Page 89 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 17. Manufacturing information 17.1. Moisture sensitivity level This wireless connectivity product is categorized as JEDEC Moisture Sensitivity Level 3 (MSL3), which requires special handling. More information regarding the MSL requirements can be found in the IPC/JEDEC J-STD-020 standard on www.jedec.org.

  • Page 90: Reflow Soldering Profile

    WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II Volume mm Volume mm Volume mm Package thickness <350 350-2000 >2000 < 1.6 mm 260 °C 260 °C 260 °C 1.6 mm - 2.5 mm 260 °C 250 °C 245 °C > 2.5 mm 250 °C...
  • Page 91 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II After reflow soldering, visually inspect the board to confirm proper alignment 17.2.2. Cleaning Do not clean the product. Any residue cannot be easily removed by washing. Use a "no clean" soldering paste and do not clean the board after soldering.
  • Page 92 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 17.3. ESD handling This product is highly sensitive to electrostatic discharge (ESD). As such, always use proper ESD precautions when handling. Make sure to handle the part properly throughout all stages of production, including on the host PCB where the module is installed. For ESD ratings, refer to the module series’...
  • Page 93 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II Würth Elektronik eiSos radio modules with high output power of up to 500 mW, as for example the radio module Thebe-II, generate a high amount of warmth while transmitting. The manufacturer of the end device must take care of po- tentially necessary actions for his application.
  • Page 94 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 18. Physical specifications 18.1. Dimensions Dimensions 17x27x22mm Table 16: Dimensions 18.2. Weight Weight Table 17: Weight Order code 2607021191010 Version 2.4, May 2023 www.we-online.com/wcs...
  • Page 95 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 18.3. Module drawing 24,0 22,0 27,0 ±0,4 Figure 13: Module dimensions [mm] Order code 2607021191010 Version 2.4, May 2023 www.we-online.com/wcs...
  • Page 96 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 18.4. Footprint 22,0 24,0 Figure 14: Footprint and dimensions [mm] To avoid the risk of short circuits between VCC and GND, a minimum clearance of at least 14 mm between the opposing pad rows has to be maintained! To avoid the risk of short circuits and interference there should be no routing underneath the module on the top layer of the baseboard.
  • Page 97 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 19. Marking 19.1. Lot number The 15 digit lot number is printed in numerical digits as well as in form of a machine readable bar code. It is divided into 5 blocks as shown in the following picture and can be translated according to the following table.
  • Page 98 The 3 byte counter printed on the label can be used with this 0018DA to produce the full MAC address by appending the counter after the manufacturer identifier. Figure 16: Label of the Telesto-II Order code 2607021191010 Version 2.4, May 2023...
  • Page 99 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 20. Information for explosion protection In case the end product should be used in explosion protection areas the following information can be used: • The module itself is unfused. • The maximum output power of the module is 14 dBm.
  • Page 100 The use of RF frequencies is limited by national regulations. The Telesto-II has been designed to comply with the FCC Part 15. The Telesto-II can be operated without notification and free of charge in the area of the United States of America. However, according to the FCC Part 15, restrictions (e.g. in terms of maximum allowed RF power and antenna) may apply.
  • Page 101 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 21.4. EU Declaration of conformity 21.5. FCC Compliance Statement FCC ID: R7TAMB9626 This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
  • Page 102 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II • A label must be affixed to the outside of the host product with the following statements: This device contains FCCID: R7TAMB9626 This equipment contains equipment certified under ICID: 5136A-AMB9626 • The final host / module combination may also need to be evaluated against the FCC Part 15B criteria for unintentional radiators in order to be properly authorized for operation as a Part 15 digital device.
  • Page 103 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 22. Important notes The following conditions apply to all goods within the wireless connectivity product range of Würth Elektronik eiSos GmbH & Co. KG: 22.1. General customer responsibility Some goods within the product range of Würth Elektronik eiSos GmbH & Co. KG contain statements regarding general suitability for certain application areas.
  • Page 104 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 22.5. Product improvements Due to constant product improvement, product specifications may change from time to time. As a standard reporting procedure of the Product Change Notification (PCN) according to the JEDEC-Standard, we inform about major changes. In case of further queries regarding the PCN, the field sales engineer, the internal sales person or the technical support team in charge...
  • Page 105 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 23. Legal notice 23.1. Exclusion of liability Würth Elektronik eiSos GmbH & Co. KG considers the information in this document to be cor- rect at the time of publication. However, Würth Elektronik eiSos GmbH & Co. KG reserves the right to modify the information such as technical specifications or functions of its products or...
  • Page 106 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II where a higher safety standard and reliability standard is especially required or where a failure of the product is reasonably expected to cause severe personal injury or death, unless the par- ties have executed an agreement specifically governing such use. Moreover, Würth Elektronik eiSos GmbH &...
  • Page 107 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 24. License terms These License terms will take effect upon the purchase and usage of the Würth Elektronik eiSos GmbH & Co. KG wireless connectivity products. You hereby agree that these license terms are applicable to the product and the incorporated software, firmware and source codes (collectively, "Software") made available by Würth Elektronik eiSos in any form, including but...
  • Page 108 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II shall inform Würth Elektronik eiSos about the intent of such usage before design-in stage. In certain customer applications requiring a very high level of safety and in which the malfunction or failure of an electronic component could endanger human life or health, you must ensure to have all necessary expertise in the safety and regulatory ramifications of your applications.
  • Page 109 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II 24.6. Limitation of liability Any liability not expressly provided by Würth Elektronik eiSos shall be disclaimed. You agree to hold us harmless from any third-party claims related to your usage of the Würth Elektronik eiSos’...
  • Page 110 15. Lot number structure ........95 16. Label of the Telesto-II ....... . . 96 List of Tables Ordering information .

  • Page 111: A.2. Crc8 Test Vectors

    WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II A. Additional CRC8 Information This Annex gives an example CRC8 implementation and test vectors. A.1. Example CRC8 Implementation #include <stdint.h> uint8_t Get_CRC8(uint8_t * bufP, uint16_t len) uint8_t crc = 0x00; for (uint16_t i = 0; i < len; i ++) crc ^= bufP[i ];...
  • Page 112 WIRELESS CONNECTIVITY & SENSORS User manual Telesto-II B. Example codes for host integration The following code is an example implementation of a function to transmit data using a 1 Byte length field in the command frame. For demonstration reasons the Tarvos-III has been taken The full function codes of all radio modules are available in the Wireless Connectivity SDK (www.we-online.de/wco-SDK ).
  • Page 113 Contact Würth Elektronik eiSos GmbH & Co. KG Division Wireless Connectivity & Sensors Max-Eyth-Straße 1 74638 Waldenburg Germany Tel.: +49 651 99355-0 Fax.: +49 651 99355-69 www.we-online.com/wireless-connectivity...

This manual is also suitable for:

Amb9626

Table of Contents