EWRF - 3022UT RF Module User Manual
Contents
1. BER 10 3 2400bps Modulation mode GFSK support OOK ASK MSK modes Low power transmission power lt 10 mW transmitting current lt 35 mA receiving current lt 25 mA sleeping current lt 18 uA Frequency 315 433 868 915 Mhz Channel Capacity software selectable 32 RF channels Small Size 25mm 50mm 4mm without external antenna Working humidity 10 90 relative humidity without condensation Working temperature 35 75 industrial East to use Out of box RF communication Optional interfacing RS232 485 2wires TTL USB USB to Uart transferring format 8N1 8E1 801 PC configuration software supplies flexible parameters setting of modules 2008 EWRF Technology Co Ltd Confidential Proprietary 1 EWREF 3022UT RF Module User Manual Serial port data rates Software selectable 4800 9600 19200 38400 57600 115200bps RF data rates Software selectable 5K 10K 20K 30K 40K S50K 77K 100K 150K 200K 250Kbps Group division only the same network address configuration modules can communicate each other Relay function optional relay transferring to expand RF transmission range Simple Transparent Transmission and Enhanced Transparent Transmission with address customized support point to point point to multipoint and multipoint to multipoint wireless communication links Powersupply DC 5V Connection 5 pin connector 2 0mm pin space 1 2 Technical Specifications Frequency 315 433 868 915M GFSK 12. switch power or boosted ciucuit Unstable power supply check if module s red led light glitters twice with power on Try to install power line again or use new power if no light glitter Unstable data line connection check if red light glitters while transmitting data or green light glitters while receiving data Make sure the channel air baud rate and net address of two transceivers are the same Read and configure them again The interface between modules and user s equipment match well TTL 232 485 Green light of receiver glitters without transmitter working it means with co channel interference Try another channel Make sure antenna be well installed or try another antenna Serial port rate is fast than air baud rate re configure RF modules The noise level of power output is high try a new power 2008 EWRF Technology Co Ltd Confidential Proprietary 9 EWREF 3022UT RF Module User Manual Appendix additional information 1 year warranty We are warranty against defects in materials and workmanship under the normal use for a period of one year from the date purchase In the event of a product failure due to materials or workmanship we will repair or replace the defective products as soon as possible Permanent technical support We provide permanent off site technical support to our customers regarding various applications of our RF modules Free software upgrading We provide service to our c
3. 0 dBm 10mW Receiving 112 dB 2400bps sensitivity Transmitting lt 35 mA Mamet OO current 232 485 TTL USB USB to Uart 8N1 8E1 801 4800 9600 19200 38400 57600 115200bps Air baud rate 5K 10K 20K 30K 40K 50K 77K 100K 150K 200K 250Kbps 5 pin connector 2 0mm pin space Transmission 0 500 10dbm 2 4kbps Outdoor LOS Distance Working 40 75 C temperature 2008 EWRF Technology Co Ltd Confidential Proprietary 2 EWREF 3022UT RF Module User Manual 2 Connection Definition and Dimensions 2 1 Connection Definition EWRE 3022UT transceivers has one 5 pin connector for connect with user s terminals its pin s inter space is 2mm Their definitions and connection methods with terminals are shown in Table 1 below 5 pin connector Pin No Signal Direction Function name VDD DC power 5V l 2 GND _ Groundingofpower ___ 3 TA f Output Serial data out of the RF module __ 4 RB_ Serial data input to the RF module aa a a CE Sleep control high level sleep Table 1 Connection Definition 2008 EWRF Technology Co Ltd Confidential Proprietary 3 EWREF 3022UT RF Module User Manual 2 2 Dimension 2 2 1 Standard PCB Module 50 0mm Figure 1 Pcb Module Dimension 2 2 2 Module with Enclosure ew T tes 2 Se W OF 40398 oO Hea CS Be a mS lodbe OF Fibs O Zidhe O MH 232 O 485 O TIL O 2008 EWRF Technology Co Ltd Confidential Propriet
4. EWRE 3022UT RF Module User Manual EWRF 302 series RF modules Connecting Definition and Dimension How to use EWRF 3022UT RF Module Antenna Optional Trouble Shoots Appendix EWREF Stand alone Sub 1G RF modules EWRE Technology Co Ltd Shenzhen Guangdong Province China Phone 0086 755 83185913 Fax 0086 755 83185982 2008 EWRF Technology Co Ltd Confidential amp Proprietary EWREF 3022UT RF Module User Manual 1 EWRF 302 Series RF Modules EWRE 302 RF modules provide reliable wireless data communication operating in the 315 433 868 915 Mhz ISM SRD bands with low power consumption This series of modules is industrial level products with features of low cost small size excellent stability and good consistency of products EWRE 302 series has several categories in terms of whether it is with PA or not and options of interfacing specification etc Model 2UT of EWRF 302 series is a wireless data transceiver without PA and with embedded Transparent Wireless Communication Software Its transmission power is below 10mw with options of RS232 485 TTL USB interfacing protocol using DC 5v power supply Its built in communication software facilitates users rapidly to realize point to point point to multipoint and multipoint to multipoint wireless links 1 1 Features Advanced Performance High receiving sensitivity 112dbm 2400bps 108dbm 9600bps Long ttransmission range up to 500m outdoor line of sight
5. ary EWRF 3022UT RF Module User Manual 55 A t E Eo al Material Plastic Unit mm Figure 2 Enclosure Module Dimension 3 How to use EWREF 3022UT RF module 3 1 Normal Connection with User Terminal The connection schematic diagram between user terminal and our RF module RF module Figure 3 Normal RF module Connection 2008 EWRF Technology Co Ltd Confidential Proprietary EWREF 3022UT RF Module User Manual 3 2 RF module configuration 1 Connecting the RF module to the serial port of Computer 2 Power the RF module Be careful to the voltage s range and polarity wrong operation may cause permenent damage to the RF module 3 Open RF module configuration software we provide It need no installation just double click the icon to run the software See Figure 4 J Set up RE Feri i Help it Ewii i Charmel and Freqaaney Het EF Address i Channel 7 l EF Addr 1 254 Fret Wai Add 1 254 Air Bund Slaef Band Eliit EF Pomar FC Ferd Sat Power com foom Open Fort Fawer Bod 0 T Cose Feet Parity SUR f AF Fert Set Paia w l eed rite Start Peity 8 it Step Figure 4 Configuration Safeware Screen 4 Inthe section PC Port Set at the right down of screen select the right serial port which the RF module is connected to COM 1 is default 5 Click _Open Fort ine color of other buttons
6. now the RF module parameters click will see the current parameters on the data area Please pay attention to the prompting in status bar on the bottom of screen when you make operations 8 After the setting RF module must reset by power on then it will work with new configuration 4 Antenna options We provide several kinds of appropriative antennas for RF modules to meeting di fferent user s demand The main options of antennas are external flagelliform rubber antenna with helical SMA joint small elbow antenna small cupula antenna and spring antenna etc If the user has special demands on antenna we can design and produce for them specially 2 00000 OOOO OOUOO 0000 5 Trouble shoots 1 Under very bad circumstance or antenna is shielded Try to let antenna out and avoid touch other stuff esp enclosure or the GND of equipment Select other antennas with Too short higher gain Transmission distance With co channel interference or other strong electromagnetic interference Change working channel or keep away from noise sources It is better to separate RF module from other equipment by optocoupler Make sure to use proper power supply or the capacity of power s voltage current be sufficient It will get better 2008 EWRF Technology Co Ltd Confidential Proprietary 8 EWRF 3022UT RF Module User Manual Data communication failure High BER communication quality to use linearity power instead of
7. on the screen will change If buttons remain grey it means no serial port is found and you should check the 2008 EWRF Technology Co Ltd Confidential Proprietary 6 EWREF 3022UT RF Module User Manual serial port s connection gt Sard uj RF Fert iS Help Qh Fest Gl Fi i All Teite All Patact OF Chersal and Frequency Wet EF dirare Chl BF Adar l 254 feed LETE Trite Fra Het Addr 1 254 dsr Feed LaF Taon Esad Trite Slit EF Farar PC Fert Sai a ae ee Power Frar Parity BF Fart cat Dat nm Til Fiil Trite Sb wort Ferity Kewl Trite Stop Fart pa al CML 00 8 Figure 5 Color of Buttons Change 6 Click Detect BF button on the top of screen detecting information will be shown on status bar at the bottom of screen If success there will clew RF Module baud 9600 parity Failture there will clew Fail to Detect RF then checking the connection of RF module 7 Set parameters of the RF module User can modify parameters such as channel RF power and air baud rate etc according to actual demand through the button on the window After modifying click trite button then there will clew Witting Air Baud OK on status bar At the same the current parameter will be saved 2008 EWRF Technology Co Ltd Confidential Proprietary 7 EWREF 3022UT RF Module User Manual Ees button you If you want to k
8. ustomers for free upgrading RF module configuration software at all product life 2008 EWRF Technology Co Ltd Confidential Proprietary 10
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