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SATEL-TR489

Integration Guide, Version 0.9

4.3

Equivalent I/O Schematics

The module input-output equivalent circuits are shown in the figure and the component values
in the table below.

Figure 1

Figure 2

Input

PIN

EMI

Filter

ESD

protection

Input

PIN

EMI

Filter

VCC_IO

with ESD

protection

Figure 3

Figure 4

VCC_IO

Output

PIN

EMI

Filter

with ESD

protection

Output

PIN

EMI

Filter

with ESD

protection

R
4

Figure 5

Output

PIN

Figure 6

Input

PIN

VCC_IO VCC_IO

VCC_IO

EMI

Filter

with ESD

protection

EMI

Filter

with ESD
protection

R10

Figure 7

Input

PIN

EMI

Filter

with ESD
protection

Figure 4.3 The module input-output equivalent circuits.

Содержание TR489

Страница 1: ...SATEL TR489 TRANSCEIVER MODULE INTEGRATION GUIDE Version 0 9 ...

Страница 2: ...ot grant any kind of warranty including guarantees on suitability and applicability to a certain application Under no circumstances is the manufacturer or the developer of a program responsible for any possible damages caused by the use of a program The names of the programs as well as all copyrights relating to the programs are the sole property of SATEL Any transfer licensing to a third party le...

Страница 3: ...le below See www satel com for the newest firmware and Integration Guide version Firmware version Hardware version Note 7 x 2 x x x and 7 x 3 x x x SPL0076c RESTRICTIONS ON USE SATEL TR489 WARNING RF Exposure To comply with RF exposure compliance requirements in Europe maximum antenna gain is 14dBi and a separation distance of at least 1 meter must be maintained between the antenna of this device ...

Страница 4: ...ectromagnetic compatibility and electrical safety and other relevant provisions of Directives 2014 53 EU and 2011 65 EU and Council recommendation 1999 519 EC Therefore the equipment is labeled with the following CE marking The operating frequency range of the device is not harmonized throughout the market area and the local spectrum authority should be contacted before the usage of the radio modu...

Страница 5: ...orities and without exceeding the given maximum allowed output power ratings SATEL and its distributors are not responsible if any products manufactured by it areused in unlawful ways The devices mentioned in this manual are to be used only according to the instructions described in this manual Faultless and safe operation of the devices can be guaranteed only if the transport storage operation an...

Страница 6: ...ompliant with the Part 15B unintentional radiator requirements This module is certified for Fixed and Mobile Applications only for portable applications you will require a new certification This device has been modularly approved Model name FCC and Industry Canada identifiers of this product must appear on the outside label of the end user equipment Host labelling example HOST INTEGRATION Model Na...

Страница 7: ...PECIFICATIONS 10 2 1 Absolute maximum ratings 10 2 2 DC electrical specifications 10 2 3 Specifications SATEL TR489 on 403 473 MHz 11 2 4 Specifications SATEL TR489 on 856 876 MHz 14 2 5 Specifications SATEL TR489 on 902 928 MHz 16 3 TIME PARAMETERS FOR STARTUP AND SHUTDOWN SEQUENCES 18 3 1 Startup sequence 18 3 2 Shutdown and ENA sequences 19 4 ELECTRICAL INTERCONNECTION 20 4 1 DTE connector 20 4...

Страница 8: ...7 6 1 Switching frequency band 27 6 2 Safe mode 28 6 3 Power up power down scenarios 28 6 4 Sleep Mode 28 6 5 Power Save Mode 29 6 6 Restart 30 7 CHANGING PARAMETERS USING SL COMMANDS 31 7 1 SL Commands 31 7 2 SL Command Mode 32 8 DEFAULT DELIVERY VALUES SATEL TR489 33 9 CONSIDERATIONS 34 9 1 EMI Interferers 34 9 2 Electrostatic discharge 35 9 3 Using the device in unmanned high reliability applic...

Страница 9: ...SATEL TR489 Integration Guide Version 0 9 8 10 1 Sub band Channel Assignment SATEL TR489 37 10 2 Module dimensions 38 10 3 SL commands list 38 11 VERSION HISTORY 39 ...

Страница 10: ... Clear To Send handshaking signal used in asynchronous communication DTE Data Terminal Equipment typically computer terminal ESD Electrostatic discharge RD Receive Data TD Transmit Data RTS Ready To Send handshaking signal used in asynchronous communication RAM Random Access Memory LDO Low dropout regulator UHF Ultra High Frequency RF Radio Frequency CPU Central processing unit 1 2 Description of ...

Страница 11: ...ltage at digital outputs 0 V 3 75 V Note All voltages are referenced to GND 2 2 DC electrical specifications Recommended operating conditions Parameter Condition Min Max Units VCC_IN 3 8 5 5 V ENA_MOD Vlow 0 0 2 V ENA_MOD Vhigh 1 2 VCC_IN V VCC_IO 1 8 3 3 V Logic input Vlow 1 8 V VCC_IO 3 3V 0 0 3 V Logic input Vhigh 1 8 V VCC_IO 3 3V 0 9 VCC_IO VCCIO V Logic output Vlow 1 8 V VCC_IO 3 3V 0 0 5 V ...

Страница 12: ...85 C Reference to 25 C Maximum Receiver Input Power without Damage 3 dBm Maximum Receiver Input Power without Transmission Errors 10 dBm 4FSK 25 kHz FEC ON Sensitivity 2 typ 104 dBm 50 kHz FEC ON BER 10 2 typ 113 dBm 4FSK 25 kHz FEC ON BER 10 2 typ 115 dBm 4FSK 12 5 kHz FEC ON BER 10 2 typ 112 dBm 8FSK 25 kHz FEC ON BER 10 2 typ 113 dBm 8FSK 12 5 kHz FEC ON BER 10 2 typ 104 dBm 16FSK 25 kHz FEC ON...

Страница 13: ...R 10 2 typ 8 dB 4FSK 25 kHz FEC ON BER 10 2 typ 11 dB 4FSK 12 5 kHz FEC ON BER 10 2 typ 10 dB 8FSK 25 kHz FEC ON BER 10 2 typ 11 dB 8FSK 12 5 kHz FEC ON BER 10 2 typ 21 dB 16FSK 25 kHz FEC ON BER 10 2 typ 20 dB 16FSK 12 5 kHz FEC ON BER 10 2 Adjacent Channel Selectivity 2 typ 38 dBm 50 kHz FEC ON BER 10 2 typ 33 dBm 4FSK 25 kHz FEC ON BER 10 2 typ 45dBm 4FSK 12 5 kHz FEC ON BER 10 2 typ 34 dBm 8FS...

Страница 14: ...50 kHz 19200 14400 bps 25 kHz 9600 7200 bps 12 5 kHz 8FSK FEC OFF ON 28800 19200 bps 25 kHz 14400 9600 bps 12 5 kHz 16FSK FEC ON 28800 bps 25 kHz 14400 bps 12 5 kHz Air Interface Encryption AES128 AES256 DRM option Data Format Asynchronous data Modulation 4 8 16FSK GMSK GENERAL Operating voltage 3 8 5 5 V Current consumption in Sleep1 mode typ 510 mA Typical Power Consumption 403 473 MHz Sync sear...

Страница 15: ...normal ambient conditions TA 25 C When the device is used in different environment the results may change significantly It is recommended to use external ESD protection in demanding conditions 2 4 Specifications SATEL TR489 on 856 876 MHz RECEIVER TRANSMITTER Note Frequency Range 856 876 MHz 869 400 869 650 MHz See chapter 10 1 Tuning range 20 MHz Minimum RF Frequency Step 6 25 kHz Channel Bandwid...

Страница 16: ...20 pin through hole CLP 110 02 L D K TR Data speed of Serial interface 9600 115200 bps Data speed of Radio Air Interface 19200 bps 25 kHz tbd bps 50 kHz Air Interface Encryption AES128 AES256 DRM option Data Format Asynchronous data Modulation 4 8FSK GENERAL Operating voltage 3 8 5 5 V Current consumption in Power Save mode 2 mA ENA_MOD set to LOW Maximum DC Ripple Voltage 2 max 100 mVpp 0 f 15 kH...

Страница 17: ...ceed the 36 dBm spurious limit at the antenna e g EN 300 220 1 V 3 1 1 requirement 3 Measured using Agilent 1147B current probe and TTi TSX1820P DC power supply 4 Measured under normal ambient conditions TA 25 C When the device is used in different environment the results may change significantly It is recommended to use external ESD protection in demanding conditions 2 5 Specifications SATEL TR48...

Страница 18: ... connector Acc to EN61000 4 2 150pF 330Ω 8 kV DTE connector Acc to EN61000 4 2 150pF 330Ω Antenna Connector 50 Ω HIROSE U FL compatible I PEX 20279 001 E 01 Construction PWB with sheet metal EMI shields Size L x W x T 57 x 36 x 6 9 mm Weight 20 g Electrical Interface CMOS UART Inputs and outputs referred to IO Voltage processed by user 1 8 3 3V RTS CTS RX TX VCC GND USB interface in use Interface ...

Страница 19: ... ms VCC_IO must be high before CTS is ready tvccio gpio 2 ms VCC_IO must be high before GPIO PINS are active tgpio cts 0 ms GPIOS must be active before CTS is ready tenamod gpio 80 ms Input pins must be low after ENA MOD is low tgpio vccio 0 ms GPIOs must be low before VCC_IO is low tvccio vccin 0 ms VCC_IO must be low before VCC is low 3 1 Startup sequence The following diagram will describe the ...

Страница 20: ...d ENA sequences The following diagrams will describe the shutdown and ENA sequences tvccio vccin VCC_IN ENA_MOD VCC_IO GPIOx_INPUT CTS1_OUT GPIOx_OUTPUT Figure 3 2 Shutdown sequence VCC_IN ENA_MOD VCC_IO GPIOx_INPUT CTS1_OUT GPIOx_OUTPUT Figure 3 3 ENA sequence ...

Страница 21: ... the bottom side and protrude thru the module PCB to the top side allowing flexible mounting heights with various pin lengths AlternativeDTEconnectorassemblyvariantsavailable DTEconnectorassembledeither BOTTOM or TOP side of the module Figure 4 1 The side view of the module with connection directions Figure 4 2 Pin numbering of 1 27 mm pitch DTE connector View from bottom side of unit 4 ELECTRICAL...

Страница 22: ...e low 8 Figure 3 CTS1 CMOS OUT Output Driver Clear To Send active low 9 Figure 6 TD1 CMOS IN Internal Pull Up Transmit Data active low 10 Figure 6 RTS1 CMOS IN Internal Pull Up Ready to send active low 11 Figure 4 GPIO1 CMOS OUT Internal Pull Down 12 Figure 4 GPIO2 CMOS OUT Internal Pull Down 13 Figure 6 GPIO3 CMOS IN Internal Pull Up 14 Figure 6 GPIO4 CMOS IN Internal Pull Up 15 Figure 5 STAT CMO...

Страница 23: ...2 L1 Input PIN L3 EMI Filter VCC_IO with ESD protection C7 Figure 3 Figure 4 VCC_IO VCC_IO Output PIN L4 EMI Filter with ESD protection R1 R2 Output PIN L5 EMI Filter with ESD protection R3 R 4 Figure5 Output PIN Figure 6 Input PIN VCC_IO VCC_IO VCC_IO R7 L6 EMI Filter with ESD protection R5 L7 EMI Filter with ESD protection R6 R10 Figure 7 Input PIN L8 EMI Filter with ESD protection R8 R9 Figure ...

Страница 24: ... in the host application if the antenna is not 50 Ω The HIROSE U FL compatible connector is located on the TOP side of the board NOTE The used connector has gold plated contacts whereas a standard HIROSE U FL has silver plated contacts If silver gold joints are not allowed in your product use gold plated cable connector to mate to this device NOTE Setting the transmitter output power to such a lev...

Страница 25: ...tus of the device It can be used to drive or sink a LED current using aproper seriesresistor STAT pindrive or sinkcapabilityis 10mA at 3 3 V It isrecommended to use VCC_IO for LED current Notice that if STAT pin is used to sink LED current LED behavior is opposite to driving scheme The behavior of the STAT pin is described down below Modes of STAT pin Blink cycle Mode 1 statically Module is operat...

Страница 26: ...e pins Also the user must be aware for any voltage drop on the feeding path 4 9 UART pins Pins 7 8 9 10 are used for UART serial transmission between the module and the terminal The UART signal level corresponds to the level in VCC_IO pin VCC_IO pinmust be fed with a correct voltage level to match the terminal device 4 10 GPIO pins See separate document https www satel com wp content uploads 2021 ...

Страница 27: ...e 5 1 Example of module attachment to application PCB 5 2 Heat transfer Since the module creates heat while operating it must take into consideration to maximize the heat transfer from the module to an external heat sink Proper heat sinking methods could be copper plated PCB metal housing or aheat sink piece The most recommended solution is to use ametal conductor totransfer heat from the module t...

Страница 28: ...to received data packets Decreases the power consumption of complete receiving cycle approx 30 6 1 Switching frequency band TR489 totally contains three different frequency Bands which are user selectable Only one frequency band can be active at the time which means that all user configurations are targeting at the selected band Selection of active frequency band can be done with Satel configurati...

Страница 29: ... set to HIGH The module can be shut down bydriving ENA_MOD line to LOW state In the OFF state current consumptionisonlythatofleakagecurrentfromanLDO section2 3 Inthisstateallnon essential parts off the module are powered down and all settings state information that are not stored in nonvolatile memory are reset 6 4 Sleep Mode When being in sleep mode the radio part of the module is switched OFF wh...

Страница 30: ...sages will be received even if there occur little variation in transmission interval some safety margin tmarg is left into Ready to receive from RF mode time Safety margin is calculated by dividing the shortest time between transmitted packets tmin in ms with 8 and by adding 60 ms to this result tmarg tmin 60 ms 8 Thelengthofthewholesleepingperiod tsleep iscalculatedbydecreasingtheshortesttime bet...

Страница 31: ...h 300 ms approx 300B 9600 bps transmission time tmin 1000 ms tTX 300 ms tmarg 125 ms 60 ms 185 ms tsleep 1000 ms 125 ms 60 ms 300 ms 515 ms tRX slot min 1000 ms 185 ms 815 ms tRX slot max 1000 ms 285 ms 1285 ms 6 6 Restart After startup the module can be restarted by issuing a SL command upon which the module will shut down all circuitry and Reboot the CPU see SL command list ...

Страница 32: ...ttings are the same as in data transfer SL command is properly recognised also inthe casewhenthecommand string is terminated by CR ASCIIcharacter no 13 Carriage Return 0x0d or CR LF LF ASCII char no 10 Line Feed 0x0a If multiple SL commands are sent to the module the next command can be given after receiving the response OK or ERROR of the proceeding command In addition it is recommended to implem...

Страница 33: ...set to OFF then the SL commands can be enabled or disabled by using the below described procedure Regardless of original SL command setting state changing the setting state with this procedure will effect to the receptionprocessoftheradiomodule SLcommand settingstatecanbechanged onlyvia SATEL Configuration Manager in maintenance access level Note1 To enable the SL Commands disables interface trans...

Страница 34: ... ON SATEL 16FSK 1 FEC ON Addressing RX Address OFF ON OFF TX Address OFF ON OFF Serial port Data speed 115200 bps 1200 115200 bps Data bits 8 8 Parity bits None None Even Odd Stop bits 1 1 Handshaking Handshaking lines apply to the DATA port CTS TX Buffer State Clear to send TX Buffer State RTS Ignored Ignored Flow Control Additional setup Error Correction FEC OFF ON OFF Error check OFF OFF CRC8Pa...

Страница 35: ...dule has an approx 10 dB S N requirement this constitutes that any signal entering the radio antenna on receive frequency on a level of 125 dBm 115 dBm 10 dB causes desensitization of the radio on that particular channel Example An interferer has a level of 100 dBm on the frequency 421 MHz The radio will show an approximate sensitivity of 90 dB 100 dBm S N requirement 10 dB on 421 MHz Now consider...

Страница 36: ...ty applications The module features software and hardware watchdogs which are incorporated inside the CPU While we believe that this is a reliable method of keeping the module in operational condition there are parts of the module that can t be monitored for proper operation to 100 For example the module chip has a firmware that resides in the chips RAM The firmware can t be read back or reloaded ...

Страница 37: ...ed to find out whether the radio environment is clean enough by using a spectrum analyzer or radio module s RSSI Received Signal Strength Indication value Co operation with the local authority to find out the optimum free radiochannel If the channel is disturbed an external band pass filter can be used for improving the filtering If at the adjacent channel is TDMA Time Domain Multiple Access it is...

Страница 38: ...period a single modem is allowed to transmit The modem limits the duty cycleitself Power level The power level limit is defined separately for each sub band The maximum power limit for each sub band is pre programmed into the SATEL TR489 The user can choose from 10 20 50 100 200 and 500 mW ERP output power for frequency variant 856 876 MHz No matter what power level the user has chosen the maximum...

Страница 39: ...SATEL TR489 Integration Guide Version 0 9 38 10 2 Module dimensions 10 3 SL commands list SL commands list is available on the manufacturer s web site https www satel com support and services downloads ...

Страница 40: ... RF parameters updated 0 3 03 03 2021 Value list updated 0 4 03 03 2021 Added chapter 6 1 Switching frequency band 0 5 05 03 2021 Added ANNEX SL command List 0 6 12 11 2021 Added ANNEX Sub band Channel Assignment 0 6 22 11 2021 Value list updated 0 8 13 12 2021 Values and other updates 0 9 28 12 2021 Values and other updates 11VERSION HISTORY ...

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