rdsrf-232-t24fz-lr-s.. - Reindeer Technologies Pvt. Ltd.
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1. HY 9 7 3 GENERAL EQUATION FOR CALCULATING TIME DELAYS ss scccncesct deseo ki se ei opas Esau sU den GER ungue Rusa eu o om uon b oie 9 8 USER CONFIGURATION MODE asse ones ns 9703s i oes Mede ek os ee gs OD ee MEE BE ees wee eg woede dE Ue saa ea ee E a 10 S ORDERING INFORMATION eis ens oes ees Ee ee cran SuSE ER ee ee SE We eu ei VER EE DEUG ie Se ee idea se 12 10 ELECTRICAL SPECIFICATIONS ws o ceres isnt Fase qe Eos ENTE os koei en Ka se ee ee ee os eeu ea Fs SENSE E SPARE OE oe Roe ei ae ee YS 13 N ses es EA EE EE 13 1A CONTACTUS RR EE EA RE EE EE 14 Pele Ie Bets AE N N OER ONE RE EE 14 12 2 SALES SUPPORT as es E GE N GR EE Ee EE se cee eee se Ge ee eee wee 14 Page 3 of 14 Revision 1 0 Reind RDSRF 232 T24FZ LR SMA CA e1naeer 1 Overview ae Control RE Module Mam R5232 Converter RS232 Interface Controller Data Y Figure 1 RDSRF 232 T24FZ LR SMA CA Block Diagram The RDSRF 232 T24FZ LR SMA CA is single board high performance and low power serial to wireless solution It is a complete plug and play system where the user can connect two boards and start a wireless communication between them instantaneously The RDSRF 232 T24FZ LR SMA CA can be integrated to existing systems without tedious software or hardware changes These boards are intended to be used with systems which already have a RS232 interface Page 4 of 14 Revision 1 0 Reind RDSRF 232 T24FZ LR SMA CA e1naeer 2 Features2. Phone 91 44 45022335 91 44 42606907 Fax 91 44 28154148 Website www reindeersystems com Page 14 of 14 Revision 1 0
3. Time delay between packets Time 1 Time 2 10 of Time 1 Time 2 Where Time 1 No of bytes 10 serial baud rate And Time 2 2 No of bytes 5 8 RF Baud rate Page 9 of 14 Revision 1 0 Reind RDSRF 232 T24FZ LR SMA CA E1Dd eer 8 User Configuration Mode Switch Position in Normal TX RX Mode Antenna Switch in normal mode RN Power Led Only 5V Supply Switch in UC Mode Figure3 Mode settings Page 10 of 14 Revision 1 0 Reind RDSRF 232 T24FZ LR SMA CA eindeer lt i Wireless Module Configuration Utility File Configuration About serial Port Settings EF Settings Baud Rate 7 meel 21 ma Channel Humber e Parity M Output Power Stop Bits ME ooo ln 9 5 EE Max oystem Identification Address PC Settings Write To Read From Port EE Device Menite Figure4 Screenshot of Wireless Module Configuration Utility Procedure for using the user configuration mode 1 Change the RDSRF 232 T24FZ LR SMA CA to configuration mode by changing the switch position as shown in figure1 2 Power on the unit 3 Run the software on a PC having a serial port 4 Select all the settings as mentioned below a Serial baud rate The Serial baud rate can be varied from 1 2 Kbps to 115 2 Kbps b Serial parity The Parity can be set to either Even Odd or None c Serial stop bits The stop bits can be set to either 1 or 2 d RF baud rate Th
4. Direct RS232 to RF converter with built in level converter Transparent RS232 to antenna solution Input voltage 5V DC Low Power Consumption Standard serial and RF baud rates from 1 4 Kbps to 115 2 Kbps possible Long range communication from 100 meters to 1000 meters line of sight Software based user configuration of frequency serial and RF baud rate output power addressing etc available in selected models only 3 Applications Direct RS232 wire replacement Industrial automation Crane control systems Textile instrumentation panels Instrumentation devices interface Digital weighing systems Wireless sensor networking Remote data logging Automated meter reading Page 5 of 14 Revision 1 0 RE pd RDSRF 232 T24FZ LR SMA CA eli eer 4 Connection Details Antenna Power LED Tx LED Rx LED DCInput m zd Mede Switch l DB 9 female Pins 146 7 8 are not connected Page 6 of 14 Revision 1 0 Reind RDSRF 232 T24FZ LR SMA CA E1DAd eer 5 Theory of operation The RDSRF 232 T24FZ LR SMA CA operates in two different modes 1 Receive Mode 2 Transmit Mode 5 1 Receive Mode This is the default mode of operation after power on In this mode the RF module will be in the listen mode ready to receive data over the air and similarly the main controller will be in the wait mode to receive data either from the RF module or from the RS232 When data is received from RF module the main controller
5. will receive the data and will transfer it through the Tx line of the RS232 connector ie the DB 9 connector Upon successful reception of data the Rx LED will blink to acknowledge the reception Alternatively if data is received from the RS232 the main controller will receive all the data and will switch the RF module to transmit mode After this the data is sent over the air 5 2 Transmit mode The RDSRF 232 T24FZ LR SMA CA will switch to transmit mode only if data is received by the main controller through the RS232 port And after successful transmission of the entire data the Tx LED will blink and the RDSRF 232 T24FZ LR SMA CA will switch back to receive mode automatically Page 7 of 14 Revision 1 0 e 6 Data handling in RDSRF 232 T24FZ LR SMA CA The RDSRF 232 T24FZ LR SMA CA can transmit or receive any kind of data whether it is in ASCII or hex or in any other format It has the capability of handling even user defined protocols The maximum packet size allowed is 1024 bytes per transmission A small delay has to be present between two packets This delay will depend on the serial RF baud rates and also the packet size The time delay calculation will be explained in detail in the following section 7 Time Delay Calculations As discussed in the previous section the maximum allowed packet size in RDSRF 232 T24FZ LR SMA CA is 1024 bytes And a time delay is required in between two packets 7 1 Example 1 The serial port se
6. RE pd RDSRF 232 T24FZ LR SMA CA eli eer LS Du Fa v g te J lt 12 i DE r L RDSRF 232 T24FZ LR SMA CA RS232 to RF User Configurable in 2 4 GHz User Manual Reindeer Technologies Pvt Ltd Excellence through Innovation S 2 Old No 15 New No 31 Rajamannar Street T Nagar Chennai 600017 India Page 1 of 14 Revision 1 0 Reindec RDSRF 232 T24FZ LR SMA CA eipndeer Document Revision History 26 2 2011 Initial Release Page 2 of 14 Revision 1 0 Reind RDSRF 232 T24FZ LR SMA CA E1DAd eer Table of Contents LOVERVIE W EE AE ER ER ER AA EE OE 4 Alc wa lw S 5 syd ed ie T RE E E E T deaents 5 A CONNECTION DETAILS ees ie ee Gee Ee Sennen GR ee Wonca ce ole SE ee EE ei sues ER EG Re ee ee EG 6 S THEORY OF OPERATION iss se ee ee SENE S Des NANEN SENEE ee ee Ee ee Ge Ge ee ei Ge Ge 7 SW REEE VE MODE ees ee ee Ee eo RE we ee oi ee 7 SA c c Bg 7 6 DATA HANDLING IN RDSRF 232 T24FZ LR SMA CA ccssscccssssecccsssecccsssecccssecccesseccceeseccceesecccecseseceesees 8 7 TIME DELAY CALCULATIONS sissies iese ie es ese ea ee ee ie ea vo de ee ke de oi Ge Ee Ee 8 EMS id RE 8 Te IAP 2 m
7. e RF baud rate can be set from 1 4 Kbps to 250 Kbps Page 11 of 14 Revision 1 0 Reind RDSRF 232 T24FZ LR SMA CA E1DAd eer e RF channel The RF channel can be varied from channel 0 to channel 18 f RF power output The RF output can be varied from 5 to 20 dBm g Address This option can be used to set the address of the devices h Select whether the unit behaves as a repeater i Transmit Termination This option can be used to select whether the transmission should start automatically or based on any specific used command j COM port This option is used to select the PC COM port 5 Now use the Write to Device button to download the settings to the unit 6 Upon successful download the message Programming Successful is displayed in case of any error the message Programming Not Successful Reset the device and try again will appear In case of error power off the unit and repeat from step 1 Note Higher RF power output setting and lower RF baud rate setting will result in better communication range 9 Ordering Information Product part Number RDSRF 232 T24FZ LR SMA RS232 to RF Module in 2 4 GHz with External Antenna RDSRF 232 T24FZ LR CA RS232 to RF Module in 2 4 GHz with Internal Antenna Page 12 of 14 Revision 1 0 Reind RDSRF 232 T24FZ LR SMA CA E1DAd eer 10 Electrical Specifications Parameter Vcc Power Supply Operating temperature RF Output Power Frequency of operation Receive Cu
8. rrent 33 mA 11 Accessories The below mentioned accessories are available upon request The cost of the product does not include these accessories 1 Antenna The antenna is mandatory for normal operation The type of antenna can be selected from the wide ranges of antennae available in our website Note The device should not be operated without antenna 2 Power Supply Power adapters for the unit are available upon request 3 Serial Cable RS232 Serial cables are provided upon request Note This product comes without a casing Page 13 of 14 Revision 1 0 e 12 Contact Us 12 1 Technical Support Reindeer Technologies Pvt Ltd has built a solid technical support infrastructure so that you can get answers to your questions when you need them Our technical support engineers are available Mon Fri between 9 30 am and 6 00 pm Indian standard time The best way to reach a technical support engineer is to send an email to support reindeersystems com E mail support requests are given priority because we can handle them more efficiently than phone support requests 12 2 Sales Support Our sales department can be reached via e mail at sales reindeersystems com or by phone at 91 44 45022335 42606907 Our sales department is available Mon Fri between 9 30 am and 6 00 pm Reindeer Technologies Pvt Ltd Excellence through Innovation S 2 Old No 15 New No 31 Rajamannar Street T Nagar Chennai 600017 India
9. ttings are Baud Rate 9600 bps Parity None Data Bits 8 Stop Bits 1 The RF settings are Baud Rate 9600 bps The time delay needed for a packet size of 1024 bytes can be calculated as shown below Packet size 1024 bytes Time taken by the main controller to receive the entire packet 1024 10 9600 1 066 Sec The time taken to transmit the entire packet 1024 1024 5 8 9600 1 711 Sec Adding both the time we get a total time of 1 066 1 711 2 77 Sec Adding an extra buffer time of 1096 the total time delay between two packets of size 1024 byte will be 3 Sec Page 8 of 14 Revision 1 0 Reind RDSRF 232 T24FZ LR SMA CA e1lndeer 7 2 Example 2 The serial port settings are Baud Rate 9600 bps Parity None Data Bits 8 Stop Bits 1 The RF settings are Baud Rate 9600 bps The time delay needed for a packet size of 255 bytes can be calculated as shown below Packet size 255 bytes Time taken by the main controller to receive the entire packet 255 10 9600 0 266 Sec The time taken to transmit the entire packet 255 255 5 8 9600 0 429 Sec Adding both the time we get a total time of 0 266 0 429 0 695 Sec or 695 ms Adding an extra buffer time of 10 the total time delay between two packets of size 1024 byte will be 0 760 Sec or 760 ms 7 3 General Equation for calculating time delay In general the time delay between packets can be calculated using the below equation
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