SRWF-1022 Wireless Data Module User Manual
Contents
1. SUNRAY Shanghai Sunray Technology Co Ltd SRWF 1022 Wireless 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 11 SUNRAY Shanghai Sunray Technology Co Ltd Contents L Pod vvv4 42445 eee 3 Il Application Fields vrede 4 Ill Technical specifications rrrrrrrrnnnnrrrrrrrnnnrrrrrrrnnnrrrrrrrnnnvrrnrrnnnnnrrnrnnnnnnnnennn 4 IV Pins DENON Av v4v424v4v44v4v4v4vrv4ve4v4 4rv vever erre 5 V Channels Interface Mode and Baud Rate Configuration 6 1 Channel Configuration cssccccsssscsssssssssssscsssssscsssssccsssssssssssssssssscsssnces 6 Zo MONACO MOTE su 7 3 PAI 9 APAY OE 9 5 MAE 9 BNP 9 VI Received Signal Strength Indication RSSI 0 cece 10 VI Layout Dimension a scicese cccaoctecsctccemseveayorncssetavcapecnceuveccesewesseneceeuasuentessancst 11 VIII Technical Support and After Service mmmmmrmrerrmerevrrevvrrrorrrrrrene 11 Phone 86 021 50275255 No 498 Guo Shoujing Road Zhangjiang min Page 2 of 11 SUNRAY Shanghai Sunray Technology Co Ltd Product Introduction SRWF 1022 series wireless modules are transparent modules which suit any standard and nonstandard user protocol Active crystal oscillator is used to enable module to work on wide temperature range of 40C to 80C lt h2. Ltd A of RS4 TX A TX of RS485 Or of RS232 B of RS485 or RX of 7 B RX of RS485 or O RS232 Low level SLEEP Sleep control Input TTL Sleep signal Negative pulse RESET Reset control input TTL Reset signal 2 P reset 1ms V Channels Interface Mode and Baud Rate Configuration There is a 5 bit short circuit jumper J1 on the bottom right corner of SRWF 1022 main board defined as A B C D E respectively Please refer to Figure 1 Fig 1 1 Channel Configuration There are 8 options to set the channel via ABC jumper wires of JP1 The corresponding Frequency of Jumper ABC configuration is shown in table 2 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 11 SUNRAY Shanghai Sunray Technology Co Ltd Table 2 Jumping wire ABC Channel No 433MHz band 470MHz band 0 ABC 433 85 470 25 remain open 432 10 470 36 433 20 470 49 433 25 470 10 432 65 470 842 433 40 470 90 432 60 470 72 SRWF 1022 provides 2 serial ports COM1 Pin3 and Pin4 is fixed as UART TTL interface and COM2 Pin6 and Pin7 is to choose RS232 and RS485 hardware interface _ 2 Interface Mode a TTL interface connection 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 7 of 11 Shanghai S
3. as maximum transmitting power of 17dBm 20dBm 5V optional working on carrier frequency of 433 470MHz High anti interference ability and low bit error rate BER GFSK FSK modulation with enhanced forward error correction FEC encoding technology to ensure resisting ability against pulse interference and random interference Long transmitting distance can reach up to 1200m 1200bps with AT 1 antenna placed 2 meters height from the ground in open field Transparent data interface is provided to be applicable with any standard or nonstandard user protocol False data generated in the air can be filtrated automatically so that the data received is exactly same as what Is transmitted No more user programming is needed The standard configuration provides 8 channels which can be extended to 16 or 32 channels to meet users requirements for multi channel communication applications COM1 and COM2 serial ports are provided COM1 is for UART TTL interface and COM2 is for RS232 and RS485 hardware interfaces which have stronger carrier frequency ability to ensure reliable transmission Interface baud rate is optional 1200 2400 4800 9600 19200bps with data format of 8N1 801 8E1 9N1 for user self definition No limitation for data frame length to ensure programming flexibility With power supply by 5V DC the receiving current Is 30 3mA the transmitting current is 90 10mA 17dBm 100 10mA 20dBm and the sleeping current is 5 2uA Radio frequ
4. e delay diagram RxD TxD VA ON 00 EA OODABD O NODO OO ONONE _ m Td Td Baud Rate bps Time Delay Td ms 1200 2400 122 ee ee 9600 19200 8 VI Received Signal Strength Indication RSSI If you want to detect RSSI please send REASRSSI to serial port then the RSSI of previous data frame will be exported which is indicated with binary complement Phone 86 021 50275255 No 498 Guo Shoujing Road Zhangjiang Fax 86 021 50270187 Shanghai Pudong New Zone China sunray230Qhotmail com www en 51sunray com Page 10 of 11 SUNRAY Shanghai Sunray Technology Co Ltd Vil Layout Dimension 26 mm 22 3 mm A O O Al C gt S S O SRWF 1021 50 13 mm 2 1 mm E 2 E SE c dar m D oe oF O 3 4 mm O O T sO O 10 a O E 2 00 O aO E O s CON1 VIII 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 sunray230Qhotmail com www en 51sunray com Page 11 of 11
5. ency integrated circuit and MCU are used simplify peripheral circuits and 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 11 SUNRAY Shanghai Sunray Technology Co Ltd keep the dimension small which leads to high reliability and low failure rate Various antennas are available for different application environments ll Application Fields SRWF 1022 series wireless modules are applicable to the following fields Automated Meter Reading AMR solution for water electricity gas and heat system Remote Control for Industry vehicle and lifting machine Production line data collecting Data communication for railway oil well dock and army Medical treatments and electric instruments automation control Wireless intelligent control for lighting system Security alarm attendance checking and locating for coal mine workers under well Car alarm tire pressure monitoring and four wheel orientation Wireless POS PDA smart terminals Wireless dishes ordering system LED display screen for lane buoy or temporary station in open field Automated non stop billing system on freeway Wireless crane and electronic scale solution VV V VV VV VV VV VV WV Bank queuing management system Ill Technical specifications Serial a Description Parameter number Modulation mode GFSKIFSK T Transmitting power 17dBm 20dB
6. m 5V optional Receivin 4 iil 117dBm 1200bps sensitivity Channel counts 8channel default 16 32 channel customized saat 90 10mA 17dBm Transmitting current 100 10mA 20dBm Phone 86 021 50275255 No 498 Guo Shoujing Road Zhangjiang Fax 86 021 50270187 Shanghai Pudong New Zone China sunray230Qhotmail com www en 51sunray com Page 4 of 11 SUNRAY Shanghai Sunray Technology Co Ltd RS232 S485 hardware Sleeping current interface can t support sleeping function Interface velocity 1200 2400 4800 9600 19200bps RS232 S485 hardware interi d to bond Interface mode UART TTL RS 232 RS 485 med different interface chip and peripheral circuits Power supply 3 3 5VDC Working 40 C 80 C temperature 10 90 relative humidity no condensing Reliable transmit 1200m AT 1 antenna 2m height 50mW distance 1400m AT 1 antenna 2m height 100mW IV Pins Definition SRWF 1022 provides a 9 pin connector CON1 defined as below in Table 1 ap j 3 i i 9 pin Connector Table 1 Connected Description Level to Terminal VCC Power supply DC 3 3 5 0V RXD TTL mora a data receiving Pegg TXD TTL Sra data transmitting mo mo SGND Ground of the signal 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 5 of 11 SUNRAY Shanghai Sunray Technology Co
7. rial port by which we can judge some basic status about the module for example SRWF 10221 V11 C 00 433 8N1 9N1 Note SRWF 10221 means the model is SRWF 1022 and it can communication with SRWF 1021 V11 indicates that the software version is V1 1 C 00 433 00 means channel No and 433 is carrier frequency 8N1 9N1 is parity mode When the module is transmitting signals RX light red light will flash When the module is receiving signals TX light green light will flash 6 Timing Diagram 1 Sleeping Mode The module has sleeping function controlled by pin SLP Normally SLP pin is in high level but when is in low level the module will start to sleep The module will not work until RST pin is in low level means reset or the module is powered again Please refer to below sleep reset timing diagram 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 11 SUNRAY Shanghai Sunray Technology Co Ltd VCC Init Init p Es kok MCU 1 SON i ms N e gt ft l5ms BET S Pc lms 2 Transmitting Delay Using FEC Forward Error Correction technology to enhance anti interference ability so there is time delay Td between the data received by RXD of module and the final data exported by TXD of module B Different data rates result in different delay time Please check the below tim
8. unray Technology Co Ltd SUNRAY yw COD A e oP SENF 1022 interface User equipment interface b RS 232 interface connection RS232 chip and peripheral circuits will be bonded on the module GHD VOC TAD SGND ATA B RX vm COMO 6 DJ SANF 1027 interface User equipment interface c RS 485 Interface connection RS485 chip and peripheral circuits will be bonded on the module GND VOC Tad SGND ALTA B RX SLEEP vg Comoe oho SENF 1022 interface User equipment interface PS For all the above interface connection please do not connect any wire on other pins if is not used 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 11 SUNRAY Shanghai Sunray Technology Co Ltd 3 Baud Rate The data rate depends on the hardware of wireless module and it will be fixed after manufacture so clients have to confirm the baud rate when releasing order 4 Parity mode Clients can choose the parity mode via the pin E of J1 means the choice of 8E1 801 8N1 E 0 without jumper ee parity B8E1 801 9N1 one parity bit E t1 with jumper LE parity 8N1 no parity bit PS All the above configurations will be effective only when the module is powered again 5 Indicator Light TX light will flash once when the module is powered meaning the module is sending its version information to se
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