SRWF-1021-50 Series Low Power Wireless Transceiver Data
Contents
1. SUNRAY Shanghai Sunray Technology Co Ltd SRWF 1021 50 Series Low Power Wireless Transceiver Data Module User Manual Phone 86 021 50275255 No 498 Guo Shoujing Road Zhangjiang Fax 86 021 50270187 Shanghai Pudong New Zone China sunray230 hotmail com www en 51sunray com Page 1 of 12 SUNRAY Shanghai Sunray Technology Co Ltd Contents I SRWF 1021 50 Main Application cc ceccceececeeeeeeeeeeeees 3 I Mod le Feal E eee ee ei ee eee 3 lll How to use SRWF 1021 50 wireless data transceiver module 5 IV Channel Interface Baud Rate Data Format Configuration 6 V Technical Specification ccccccecceccseeceeceeeeeeseeseeeaeeseeseeenees 11 VI Layout Dimension ccccccccceecceeceeeeeeceeceeseeeceeseesaeeseeseeeaees 12 VII Technical Support and After Service ccccceeeseeeeneeeee 12 Phone 86 021 50275255 No 498 Guo Shoujing Road Zhangjiang Fax 86 021 50270187 Shanghai Pudong New Zone China sunray230 hotmail com www en 51sunray com Page 2 of 12 SUNRAY Shanghai Sunray Technology Co Ltd I SRWF 1021 50 Main Application SRWEF 1021 50 the low power wireless transceiver data module is used as the wireless data transceiver in short ranges with the small size weight and power consumption and good stability and reliability Narrowband low power UHF wireless data transmitters and receivers with 50 kHz channel band AMR2. Automatic Meter Reading Wireless alarm and security systems Home automation Low power telemetry 433MHZzZ 470MHz ISM SRD band systems Data radio can be used for Wireless conference voting system Mapping Radio modem can be used for Sports training amp competition Wireless dishes ordering Wireless POS PDA wireless smart terminal RF modem can be used for Electronic bus station and intelligent traffic RF transmitter Wireless electronic display screen and queuing machine Wireless telemetry Charging for parking parking lot Wireless modem Automobile inspection and four wheel orientation Wireless sensor Industrial wireless remote control and air conditioning remote controller Observation and predication of oil well and hydrological information Wireless RS232 RS485 conversion connector Point to multi point wireless network wireless on the spot bus and automatic data collection system ll Feature of SRWF 1021 50 Low Power Data RF Module 1 Low power transmission The transmission power is only 17dBm 4383 470MHz Phone 86 021 50275255 No 498 Guo Shoujing Road Zhangjiang Fax 86 021 50270187 Shanghai Pudong New Zone China sunray230 hotmail com www en 51sunray com Page 3 of 12 SUNRAY Shanghai Sunray Technology Co Ltd 2 ISM frequency band requiring on application of frequency point The carrier frequency is of 4383 470MHz 3 High anti interference and low
3. 9600 19200bps with format of Phone 86 021 50275255 No 498 Guo Shoujing Road Zhangjiang Fax 86 021 50270187 Shanghai Pudong New Zone China sunray230 hotmail com www en 51sunray com Page 4 of 12 SUNRAY Shanghai Sunray Technology Co Ltd 8N1 801 8E1 9N1 and user self definition allowing the transmission of long data frames at one time for more flexible programming by users If users need it can also transmit the data in unlimited length at one time 9 Intelligent data control without excessive programs Even for semi duplex communication users don t need to prepare excessive programs only receiving transmitting the data from the interface SRWF 1021 50 will automatically complete other functions such as transmission receiving conversion in the air control etc 10 Low power consumption and sleeping function 5V supply power receiving current is 28 2mA transmitting current is 90 5mA and sleep current is 5 2uA 11 High reliability small and light Radio frequency integrated circuit and MCU are used for lessened peripheral circuits high reliability and low false bit rate lll Use SRWF 1021 50 wireless data transceiver module 1 Appearance SMA Antenna Socket meise i p Fan Function User interface PE o Setting a j gt Phone 86 021 50275255 No 498 Guo Shoujing Road Zhangjiang Fax 86 021 50270187 Shanghai Pudong New Zone China sunray230 hotmail com www en 51sunray co
4. channels if the wireless module is working at the same channel ABC jumper wire mode is same you can transmit data between each module but keep in mind at the same time only one module is in TX mode More detail is Table 3 Table3 PROGRAM PROGRAM JUMPER CHANNEL oe a FREQENCY 4 FREQENCY 4 ABC NUMBER 33MHz 7OMHZ pe od 0 ABC NO SHORT 470 652 Phone 86 021 50275255 Fax 86 021 50270187 sunray230 hotmail com No 498 Guo Shoujing Road Zhangjiang Shanghai Pudong New Zone China www en 51sunray com Page 7 of 12 SUNRAY Shanghai Sunray Technology Co Ltd 470 842 2 Selection of interface mode SRWEF 1021 50 provides 2 serial ports COM1 Pin3 and Pin4 of JP1 is fixed as UART serial port of TTL level COM2 Pin6 and Pin7 of JP1 can choose interface mode through D of JP2 1 TTL interface connection application circuit GND VOC TAD SGND ACTA BOR D H A c G e a e SRWF 1021 interface user equipment intertace NOTE Please do not connect any wire on PIN7 and PIN8 if com2 is not used If you use the TTL only please make sure the D jumper of JP2 without jumper wire 2 RS 232 interface connection application circuit D 1 with short jumper as Phone 86 021 50275255 No 498 Guo Shoujing Road Zhangjiang Fax 86 021 50270187 Shanghai Pudong New Zone China sunray230 hotmail com www en 51sunray com Page 8 of 12 SUNRAY Shanghai Sunray Technology Co Ltd GND TCC TAD
5. sleep will be finished in 6ms If the Sleep signal arrives when the transceiver is transmitting data the module will enter sleep mode after finishing transmission From sleep mode to transceiver mode it takes when the RST signal comes 3Ms The delay time of transceivers between the first bit sent by TxD to the first bit received by RxD Due to a data processing will be made on user s data by SRWF 1021 50 transceiver using FEC Forward Error Correction or other correction algorithm when RxD of a SRWF 1021 50 transceiver A receives the data then transmits it the other one transceiver B will have a delay Td to receive and transmit by TxD Different RF data rate causes different delay time Phone 86 021 50275255 No 498 Guo Shoujing Road Zhangjiang Fax 86 021 50270187 Shanghai Pudong New Zone China sunray230 hotmail com www en 51sunray com Page 10 of 12 SUNRAY Shanghai Sunray Technology Co Ltd Please see the specific delay time below Baud rate bps Delay Time Td ms 1200 122 2400 4800 9600 RxD TxOB 6 Indicator Function When in transmitting mode the red indicator light will twinkle UART TTL only When in receiving mode the green indicator light will twinkle V Technical specification Serial ltem Parameter Note number 1 Modulation mode GFSK FSK 2 Working frequency 433MHz 470MHz i aus 17dBm 433MHz 3 Transmitting power 17dBm 470MHz 4 Receiving 118 dBm 1200
6. BER Bit Error Rate Based on the GFSK FSK modulation mode the high efficiency forward error correction channel encoding technology is used to enhance data s resistance to both burst interference and random interference and the actual bit error rate of 10 10 can be achieved when channel bit error rate is 10 4 Long transmission distance Within the range of visibility the reliable transmission distance is 1200m with AT 4 antenna s height greater than 2m BER 10 3 433MHz 1200bps Within the range of visibility the reliable transmission distance is 1200 m with AT 4 antenna s height greater than 2m BER 10 3 4 70MHz 1200bps 5 Transparent data transmission Transparent data interface is offered to suit any standard or nonstandard user protocol Any false data generated in the air can be filtrated automatically What has been received is exactly what has been transmitted 6 Multi channel The standard SRWF 1021 50 configuration provides 8 channels If users need it can be extended to 16 32 channels in the multiple communication mode 7 Dual serial port 3 interface modes SRWF 1021 50 provides 2 serial ports and 3 interfaces with COM1 as the TTL level UART interface and COM2 as user defined standard RS 232 RS 485 interface user only needs to plug pull 1 bit short circuiter and energize it to make the definition 19200 baud rate only has TTL level UART interface 8 Large data buffer zone Interface baud rate is 1200 2400 4800
7. SOND ALTA B RX SLEEP I A a 4 3 j z 9 ORWF 1021 interface user equipment intertace 3 RS 485 Interface connection applicat_n circuit E D 0 without short jumper as GHD VCC TaD SGND ALTA B RX SLEEP mo COM OTe oho SRWF 1021 interface user equipment intertace NOTE Please do not connect any wire on PINSand PIN4 if com1 is not used If the two use different power supply please make sure they use the same GND join the two s GND together 3 Interface rate setting The rate of SRWF 1021 50 is determined by hardware to make sure the module rate is suit to your system we are must be told your system s rate 4 SRWF 1021 50 can support no parity and even parity mode of the serial communication UART It can chose parity mode through E of JP2 E 0 without short circuiter parity 8E1 801 9N1 E 1 with short circuiter parity 8N1 Phone 86 021 50275255 No 498 Guo Shoujing Road Zhangjiang Fax 86 021 50270187 Shanghai Pudong New Zone China sunray230 hotmail com www en 51sunray com Page 9 of 12 SUNRAY Shanghai Sunray Technology Co Ltd NOTE Channel setting Com2 s Interface mode and parity mode is fixed after the power is on if you want to change the setting you must reset the module Or power on again 5 Time Delay Diagram 1 The Pin8 SLP in JP1 is the signal of sleep control In low power level when the transceiver stays in sleep mode the conversion from idle mode to
8. bps 433MHz sensitivity 118 dBm 1200bps 470MHz 16 32 channel 5 Channel counts 8channel custom made 6 Transmiting curent 90sm SiS 7 Receiving current 22 2 interface velocity 1200 2400 4800 0600192000ps Phone 86 021 50275255 No 498 Guo Shoujing Road Zhangjiang Fax 86 021 50270187 Shanghai Pudong New Zone China sunray230 hotmail com www en 51sunray com Page 11 of 12 SUNRAY Shanghai Sunray Technology Co Ltd User setting 19200 Interface mode UART TTL RS 232 RS 485 aes bps has TTL only Power supply 3 3 5VDC a Worki 40 C 85 C ee 25 C 75C temperature custom made Reliable transmit 1200m AT 4 antenna Height 2m 4833MHz 1200bps distance 1200mM AT 4 antenna Height 2m 470MHz 1200bps 10 90 relative humidity without 13 Working humidity l y condensation VI Layout Dimension 26 mm 22 3 mm EN Ko a EC Qo OMONE O I SRWEF 1021 50 13 mm 2 1 Imm Tal 2 54 mm 43 7 mm 47 mm 2 mm O O O O O O O 14 1 mm 3 Vil Technical Support and After Service We provide technical support of applications and secondary development for our clients Our products have one year warranty and perpetual maintenance services Phone 86 021 50275255 No 498 Guo Shoujing Road Zhangjiang Fax 86 021 50270187 Shanghai Pudong New Zone China sunray230 hotmail com www en 51sunray com Page 12 of 12
9. m Page 5 of 12 SUNRAY Shanghai Sunray Technology Co Ltd 2 Interface definition SRWF 1021 50 supply 9 pin connector and its definitions as well as below JHU g U d e 7 User interface Connection method for terminals is shown in Table 1 Table 1 a an Description Level SOBE RAO Memo No Name j Terminal i GND Grounding of Power Grounding of Supply Power Supply ieee ae 2 VCC Power supply DC RXD TTL Serial data receiving end T Serial data transmitting 4 TXD TTL RXD end RXD B TXD SGND Grounding of the signal TX B of RS 485 or RX of B RX TXD RS 232 S A of RS 485 Or TX Be m _ Low level enable LEEP Sleep control Input L Sleep signal t gt 15ms TT TT Negative pulse RESET Reset control input TTL Reset signal reset Ims IV Channel Interface Baud Rate Data Format Configuration Before using SRWF 1021 50 you have to make simple configuration of your system parameter such as interface and data format There is one group of 5 bit Phone 86 021 50275255 No 498 Guo Shoujing Road Zhangjiang Fax 86 021 50270187 Shanghai Pudong New Zone China sunray230 hotmail com www en 51sunray com Page 6 of 12 SUNRAY Shanghai Sunray Technology Co Ltd short circuiter wire JP2 on the bottom right corner of SRWF 1021 50 defined as A B C D E respectively 1 Channel configuration ABC jumper wires of JP2 provide 8 options and you can choose to use 0 7
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