Shanghai Sunray Technology Co., Ltd
Contents
1. SUNRAY Shanghai Sunray Technology Co Ltd SRWF 1021 Series Low Power Wireless Transceiver Data Module User Manual Tel 86 021 50275250 50275255 Fax 86 021 50270187 http www sunrayrf com Add 201 Keyuan Road Pudong Zhangjiang ShangHai China 1 SUNRAY Shanghai Sunray Technology Co Ltd Contents I SRWF 1021 Main Application Range annnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnennnnnnn 3 ll Feature of SRWF 1021 Low Power Data RF Module runannnunaunnununnunnunnunn 3 Ill Use SRWF 1021 wireless data transceiver module nrannnnnannnnnnnnnnnnnennn 5 IV Setting of the channel interface data rate and data format 6 V Technical specification of SRWF 1021 nnnanernnnennnnnnnnnnnnnnnnvennnevnnnnnnvennn 11 VI Layout Dimension Laser Nei nen 12 VII Technical Support and After Service an nnnrnannnnnnnnnnnnnnnnnnnnnnnnennnunnnuunnn 12 Tel 86 021 50275250 50275255 Fax 86 021 50270187 http www sunrayrf com Add 201 Keyuan Road Pudong Zhangjiang ShangHai China 2 SUNRAY Shanghai Sunray Technology Co Ltd I SRWF 1021 Main Application Range SRWF 1021 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 channel spacing as low as 50 kHz AMR Automatic Meter Rea2. high reliability and low false bit rate Ill Use SRWF 1021 wireless data transceiver module 1 Appearance chart SMA Antenna Socket S553595 TE Function User interface l Setting 2 Interface definition SRWF 1021 supply 9 pin connector and its definitions as well as below Connection p a vd J J pe User interface Tel 86 021 50275250 50275255 Fax 86 021 50270187 http www sunrayrf com Add 201 Keyuan Road Pudong Zhangjiang ShangHai China SUNRAY Shanghai Sunray Technology Co Ltd method for terminals is shown in Table 1 Table 1 Connected t Pin No Item Description Level mcs j Note Terminal Grounding of ER of J Power Supply VCC Power supply DC A TX A of RS 485 Or TX of RS 232 COM2 B of RS 485 or RX of B RX RS 232 Low level bl SLEEP Sleep control Input VEVDE t gt 15ms Negati RESET Reset control input i JE PUSE reset Ims IV Setting of the channel interface data rate and data format oc eens rp avesara Before using SRWF 1021 you have to make simple configuration of your system parameter such as interface and data format There is one group of 5 bit short circuiter wire JP2 on the bottom right corner of SRWF 1021 defined as A B C D E respectively Tel 86 021 50275250 50275255 Fax 86 021 50270187 http www sunrayrf com Add 201 Keyuan Road Pudong Zhangjiang ShangHai China SUNRAY Shanghai Sunray
3. ltem Parameter number Modulation mode GFSK FSK Work frequency 433 470 868 915MHz Transmission SSN fodBm 433 470MHz 5dBm 868 915MHz ee 16 32 channel 5 Channel counts 8channel custom made T current 8 Sleeping current 40 C 60 C 9 Interface velocity 1200 2400 4800 9600 19200bps 2 User setting 10 Interface mode UART TTL RS 232 RS 485 19200 bps TTL only Power supply 13 38VDG HEEN Working 40 C 85 C 25 C 75 C temperature custom made 10 90 relative humidity without Working humidity y eee condensation Tel 86 021 50275250 50275255 Fax 86 021 50270187 http www sunrayrf com Add 201 Keyuan Road Pudong Zhangjiang ShangHai China 11 SUNRAY Shanghai Sunray Technology Co Ltd VI Layout Dimension 26 mm 22 3 mm OA OO jj EQ D swa O TO F 2 54 mm E O O O O O O O 14 1 mm Q O Vil Technical Support and After Service We provide full technical support for our clients on applications and secondary development Our products have one year warranty and perpetual maintenance services Tel 86 021 50275250 50275255 Fax 86 021 50270187 http www sunrayrf com Add 201 Keyuan Road Pudong Zhangjiang ShangHai China 12
4. Technology Co Ltd 1 channel configuration ABC jumper wires of JP2 provide 8 options and you can choose to use 0 7 channels if the work wireless module is work 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 PROGRAM PROGRAM JUMPER CHANNEL ve OG OG OG apc NUMBER FREQENC FREQENC FREQENC FREQENC Y 433MHz Y 470MHz Y 868MHz Y 915MHz pe bn O ABC NO oe SHORT 470 36 470 49 470 10 470 652 Tel 86 021 50275250 50275255 Fax 86 021 50270187 http www sunrayrf com Add 201 Keyuan Road Pudong Zhangjiang ShangHai China SUNRAY Shanghai Sunray Technology Co Ltd 432 65 470 842 868 0 916 0 2 Selection of interface mode SRWF 1021 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 VEG TAD SOND ATZ BOR SLEEP D OO Dm oT e GIR SRWF 1021 interface user equipment intertace NOTE Please do not connect any wire on PIN7and PIN8 if com2 is no use 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 D 1 with short jumper as Tel 86 021 502752
5. 50 50275255 Fax 86 021 50270187 http www sunrayrf com Add 201 Keyuan Road Pudong Zhangjiang ShangHai China SUNRAY Shanghai Sunray Technology Co Ltd GND VOC TAD SOND ATAI Bias SLEEP vg DO Tomo 01 PJ S SRWF 1021 interface user equipment intertace 3 RS 485 Interface connection a Plication circuit co D 0 without short jumper as VCC TAD SGND ATA Bi Rt SLEEP 2 3 4 7 6 7 9 SRWF 1021 interface user equipment intertace NOTE Please do not connect any wire on PIN3and PIN4 if com1 is no use if the two use different Power supply please make sure the two use the same GND join the two s GND together 3 Interface rate setting The rate of SRWF 1021 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 can support no parity and even parity mode it can chose parity mode through E of JP2 E 0 without short circuiter parity 8E1 801 9N1 E 1 with short circuiter parity SN1 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 Tel 86 021 50275250 50275255 Fax 86 021 50270187 http www sunrayrf com Add 201 Keyuan Road Pudong Zhangjiang ShangHai China SUNRAY Sh
6. anghai Sunray Technology Co Ltd transceiver stays in sleep mode the conversion from idle mode to 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 2 The delay time Tc of conversion between transmitting and receiving is less than 3ms RxD ai TTT TxD AOU Tess 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 transceiver using FEC Forward Error Correction or other correction algorithm when RXD of a SRWF 1021 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 Please see the specific delay time below Baudrate bps Delay Time Td ms 1200 122 2400 DE T Tel 86 021 50275250 50275255 Fax 86 021 50270187 http www sunrayrf com Add 201 Keyuan Road Pudong Zhangjiang ShangHai China 10 SUNRAY Shanghai Sunray Technology Co Ltd 6 Indicator Function When transmitting mode the red indicator light will twinkle only UART TTL When in receiving mode the green indicator light will twinkle only UART TTL V Technical specification of SRWF 1021 Serial
7. ding Wireless alarm and security systems Home automation Low power telemetry 433 470 868 and 915 MHz 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 controlle 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 Low Power Data RF Module 1 Low power transmission With the transmission power of 10dBm 433 470MHz 5dBm 868 915MHz 2 ISM frequency band requiring on application of frequency point Carrier frequency of 433MHz SRWF 1021 433 470MHz SRWF 1021 470 868MHz SRWF 1021 868 915MHZ SRWF 1021 915 3 High anti interference and low BER Bit Error Rate Tel 86 021 50275250 50275255 Fax 86 021 50270187 http www sunrayrf com Add 201 Keyuan Road Pudong Zhangjiang ShangHai Chi
8. e modes SRWF 1021 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 9600 19200bps with format of 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 the user needs it can also transmit the data in unlimited length at one time 9 Intelligent data control and the user doesn t need to prepare excessive programs Even for semi duplex communication the user doesn t need to prepare excessive Tel 86 021 50275250 50275255 Fax 86 021 50270187 http www sunrayrf com Add 201 Keyuan Road Pudong Zhangjiang ShangHai China SUNRAY Shanghai Sunray Technology Co Ltd programs only receiving transmitting the data from the interface SRWF 1021 will automatically complete the other operations such as transmission receiving conversion in the air control etc 10 Low power consumption and sleeping function 5V supply power receivering current is 28 2mA transmitting current is 38 2mA and sleep current is 5 2uA 11 High reliability small and light Single chip radio frequency integrated circuit and single chip MCU are used for lessened peripheral circuits
9. na SUNRAY Shanghai Sunray Technology Co Ltd 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 5 10 6 can be achieved when channel bit error rate is 10 2 4 Long transmission distance Within the range of visibility the reliable transmission distance is gt 800 m with AT 4 antenna s height greater than 1m BER 10 3 433MHz 1200bps Within the range of visibility the reliable transmission distance is gt 800 m with AT 4 antenna s height greater than 1m BER 10 3 470MHz 1200bps Within the range of visibility the reliable transmission distance is gt 400 m with AT 4 antenna s height greater than 1m BER 10 3 868MHz 1200bps Within the range of visibility the reliable transmission distance is gt 300 m with AT 4 antenna s height greater than 1m BER 10 3 915MHz 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 configuration provides 8 channels If the user needs it can be extended to 16 32 channels meeting the multiple communication combination mode of the user 7 Dual serial port 3 interfac
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