SRWF-501 user manual
Contents
1. Serial Item Parameter Note number 1 Modulation mode GFSK FSK China Shanghai Tel 86 21 50275255 50255250 50273877 fax 86 21 50270187 http www 5 1sunray com PDF created with pdfFactory trial version www pdffactory com SUNRAY ShangHai TangRay Info tech Co Ltd 2 Work frequency 420 00 450 30 860 875 910 925MHz Transmission power 10dBm 10mW Receiving sensitivity 115 118dBm Channel amount 8channel User setting 3 4 5 6 Transmitting current lt 40mA 7 8 9 Receiving current lt 20mA Sleeping current lt 20uA Interface velocity 1200 2400 4800 9600 19200bps 10 Interface mode UART TTL RS 232 RS 485 User setting 11 Power supply 3 5VDC 12 Working temperature 25 C 80 C 13 Working humidity 10 90 relative humidity without condensation 14 Dimension 47mmx26mm 10mm 15 Reliable transmit 800m distance V Sketch map of structural size see below B12 Baud 1200bps C5027018 Baud 2400bps Baud 4800bps B96 Baud 9600bps fax 86 PDF created with pdfFactory trial version www pdffactory com SUNRAY ShangHai TangRay Info tech Co Ltd China Shanghai Tel 86 21 50275255 50255250 50273877 fax 86 21 50270187 http www 5 lsunray com PDF created with pdfFactory trial version www pdffactory com2. 430 2 MHz 425 9292MHz 2a SSA 431 4288MHz 428 3868MHz Og Oo 888 431 736MHz 430 8444MHz 24qa7 Op SAR 430 5072MHz 433 3020MHz 247 B38 434 6940MHz 435 7596MHz China Shanghai Tel 86 21 50275255 50255250 50273877 http www 5 lsunray com PDF created with pdfFactory trial version www pdffactory com fax 86 21 50270187 __ SUNRAY ShangHai TangRay Info tech Co Ltd fe 5 434 2332MHz 438 2172MHz w o0 n Ea 6 433 1580MHz 440 6748MHz 247 HES 7 re foc to EZA n ma 433 9260MHz 443 1324MHz B Selection of interface mode SRWF 501 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 2 TTL interface connection sketch map GND CC TAD SGND ATX B RX SLEEP 1 2 3 1 5 6 T 8 9 SR F 501 interface user inquipment int erface NOTE Please do not connect any wire on PIN7and PINS8 if com2 is no use If you use the TTL only please make sure the D jumper of JP2 without jumper wire The connection wire as next Picture 1 2 3 4 5 6 7 8 9 3 China Shanghai Tel 86 21 50275255 50255250 50273877 http www 51sunray com RS 232 interface connection sketch map fax 86 21 50270187 PDF created with pdfFactory trial version www pdffactory com SUNRA
3. TangRay Info tech Co Ltd 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 I Feature of SRWF 501 Low Power Data RF Module 1 low power transmission with the transmission power of 10dbm 10mW 2 ISM frequency band requiring on application of frequency point Carrier frequency of 433MHz SRWF 501F433 9ISMHZ SRWF 501F915 868MHz SRWF 501F868 3 High anti interference and low BER Bit error Rate Based on the GFSK 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 400 m when the height is greater than 2m BER 10 3 9600bps Within the range of visibility the reliable transmission distance is gt 700 m when the height is greater than 2m BER 10 3 1200bps Within the range of visibility the reliable transmission distance is gt 500 m when the height is greater than 3m BER 10 3 9600bps Within the range of visibility the reliable transmissio
4. SUNRAY ShangHai TangRay Info tech Co Ltd SRWE 501 Series Low Power Wireless Transceiver Data Module Before using the product please carefully read the user s manual Any question in technical you can contact us Tel 86 21 50275255 50275250 SRWF 501 Main Application Range SRWF 501 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 spacings as low as 25 kHz O AMR Automatic Meter Reading O Wireless alarm and security systems Home automation O Low power telemetry 433 868 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 China Shanghai Tel 86 21 50275255 50255250 50273877 fax 86 21 50270187 http www 5 1sunray com PDF created with pdfFactory trial version www pdffactory com SUNRAY ShangHai
5. Y ShangHai TangRay Info tech Co Ltd D D 1 with short jumper as d GND VCC TXD SGND A TA B RX 1 2 3 4 5 6 T 8 9 SRYF 501 user inquipment interface quip interface The connection wire as next Picture O 0O N O A e WRF 4 RS 485 Interface connection sketch map D Q D 0 without short jumper as China Shanghai Tel 86 21 50275255 50255250 50273877 fax 86 21 50270187 http www 5 lsunray com PDF created with pdfFactory trial version www pdffactory com 1 2 3 4 5 6 T 8 9 SRYWF 501 F user inquipment interface Tp interface NOTE Please do not connect any wire on PIN3and PIN4 if com 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 The connection wire as next Picture OMdOADMIPWwWNhNre C interface rate setting The rate of SRWF 501 is determined by hardware to make sure the module rate is suit to your system we are must be told your system s rate D SRWF 501 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 even parity E 1 with short circuiter parity 8N1 no parity 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 IV Technical specification of SRWF 501
6. epare excessive programs only receiving transmitting the data from the interface SRWEF 501 will automatically complete the other operations such as transmission receiving conversion in the air control etc 10 Low power consumption and sleeping function For receiving current is lt 20mA transmitting current is lt 40mA and sleep current is lt 20uA 11 High reliability small and light Single chip radio frequency integrated circuit and single chip MCU are used for lessened peripheral circuit s high reliability and low failure rate II How to use series SRWF 501 low power wireless data transceiver module l Appearance chart SMA Antenna Socket i Function User interface N Setting 2 Interface definition SRWF 501can supply one 9 pin connector and its definitions as well as connection method for terminals are shown in Table 1 x China Shanghai Tel 86 21 50275255 50255250 50273877 fax 86 21 50270187 http www 51sunray com PDF created with pdfFactory trial version www pdffactory com SUNRAY ShangHai TangRay Info tech Co Ltd r k b F User interface Table 1 Pin Connected to Pin Name Description Level Memo No Terminal Grounding of 1 GND Grounding of Power Supply Power Supply 2 vcc P ly DC co ower supply 5 0V 3 RXD TTL Serial data receiving end TTL TXD COM1 4 TXD TTL Serial data transmitting end TTL RXD 5 SGND Grounding of the sig
7. n distance is gt 800 m when the height is greater than 3m BER 10 3 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 501 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 interface modes SRWEF 501 provides 2 serial ports and 3 interfaces with COM 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 8 Large data buffer zone Interface baud rate is 9600bps with format of 8N1 8E1 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 China Shanghai Tel 86 21 50275255 50255250 50273877 fax 86 21 50270187 http www 5 1sunray com PDF created with pdfFactory trial version www pdffactory com SUNRAY ShangHai TangRay Info tech Co Ltd 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 pr
8. nal A of RS 485 Or TX 6 A TX A RXD of RS 232 COM2 B of RS 485 or RX of 7 B RX B TXD RS 232 8 SLEEP Sleep control Input TTL Sleep signal Low efficiency t gt 15ms Negative pulse reset 9 RESET Reset control input TTL Reset signal ms Il Setting of the channel interface data rate and data format 1 Before using SRWF 501 you have to make simple configuration of your system parameter such as interface and data format China Shanghai Tel 86 21 50275255 50255250 50273877 http www 5 lsunray com PDF created with pdfFactory trial version www pdffactory com fax 86 21 50270187 ShangHai TangRay Info tech Co Ltd Ooo sO O O 3s Short circuiter 7 There is one group of 5 bit short circuiter wire JP2 on the bottom right corner of SRWF 501 defined as A B C D E respectively Assuming the open circuit of jumper wire without short circuiter is mode 1 and short circuit of jumper wire with short circuiter is mode 0 A 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 JUMPER ABC CHANNEL NUMBER PROGRAM with MARK A FREQENCY PROGRAM WITHOUT A FREQUENCY oo oo Oo Day 0 ABC NO SHORT
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