Reindeer Technologies Pvt Ltd
Contents
1. Mode lt i Wireless Module Configuration Utility File Configuration About neral Port Settings RF Settings Baud Rate P EF Baud Rate E e Channel Number Pp El Parity Em Output Power Stop Bits ui Min avystem Identification Address PC Settings r Write To Read Prom Fort Device Liewicg i Figure4 Screenshot of Wireless Module Configuration Utility Procedure for using the user configuration mode 1 Power on the unit 2 Connect the unit to the PC using the Mini USB 3 Run the software on a PC 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 The RF baud rate can be set from 1 4 Kbps to 38 4 Kbps Page 10 of 13 Revision 1 0 e RDSRE 422T8z O ooo leeipdeer e RF channel The RF channel can be varied from channel O to channel 18 f RF power output The RF output can be varied from 30 to 12 dBm g Address This option can be used to set the address of the devices 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 i displayed in case of any error the message Programming Not Succe2. 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 10 the total time delay between two packets of size 1024 byte will be 3 Sec Page 8 of 13 Revision 1 0 e RDSRE 422T8z O o leeipdeer 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 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 13 Revision 1 0 e RDSRE 422T8z CC leeipdeer 8 User Configuration
3. IFICATIONS ws o cernis isnt Fase QE Eos ENTE LESE REIS U eu QD ENS ODE P E su VP EEUSH Fas SERO E ESSEN RE OE Ss NP Oaeei 11 11 ACCESSORIES cc M 12 12 CONTACTUS 13 Pe em ds R 13 122 SALES UA PORT E 13 Page 3 of 13 Revision 1 0 e RDSRE 422T8z o o o o lIeeipdeer 1 Overview RE Main P Modul de aca Controller Pood Ree Interface Converter Figure 1 RDSRF 422 T8FZ Block Diagram The RDSRF 422 T8FZ 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 422 T8FZ 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 RS422 interface Page 4 of 13 Revision 1 0 e RDSRE 422T8z O leeipdeer 2 Features Direct RS422 to RF converter with built in level converter Transparent RS422 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 configu
4. e RDSRE 422 T8z CC Ieeipdeer RDSRF 422 T8FZ RS422 to RF User Configurable in 868 MHz 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 13 Revision 1 0 e RDSRF 422 T8Z CR heer Document Revision History 26 2 2011 Initial Release Page 2 of 13 Revision 1 0 e RDSRE 422T8z o lIeeipdeer Table of Contents LOVERVIE W e 4 Alc wa lw S 5 S APPHUCA TION T En E E E T deaents 5 A CONNECTION DETAILS rita 6 S THEORY OF OPERATION A on 7 SW RECEIVE MIODE std 7 SA c c gg 7 6 DATA HANDLING IN RDSRF 422 1 SEZ ssssssecssvssaxsnsncevesecvensssusnsedvesesseaxsnstavevencseneesesvesanendnsnntovevensesnsnacsvesens 8 7 TIME DELAY CALCULATION Susini ini 8 yon 8 Te IAP 2 m HY 9 7 3 GENERAL EQUATION FOR CALCULATING TIME DELAYS ss scccncesct sinceridad 9 8 USER CONFIGURATION MODE sssssessesosseseosescossscossesossescossscossssossesosseseossscossesossescoseseossscossesossesessese 10 S ORDERING INFORMATION 56b qn rotor role aaO RN Cups ino SI De S Ru ES EVE 11 10 ELECTRICAL SPEC
5. ration of frequency serial and RF baud rate output power addressing etc available in selected models only 3 Applications Page 5 of 13 Direct RS422 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 Revision 1 0 e RDSRF 422 T8FZ Reindeer 4 Connection Details Antenna connector ES Tx LED T Rx LED Power LED E 3 Es DC input weet EE Nl O mes q 1 ir y E x 1 T g E LL A 5 1 D 2 L l E La E i E gt L Li LI z a UIE Ej xn a Mini USB for User TTE LE DL Configuration Page 6 of 13 Revision 1 0 e msma2T852 O Ieeipdeer 5 Theory of operation The RDSRF 422 T8FZ 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 RS422 When data is received from RF module the main controller will receive the data and will transfer it through RS422 connector Upon successful reception of data the Rx LED will blink to acknowledge the reception Alternatively if data is received from the RS422
6. re 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 Phone 91 44 45022335 91 44 42606907 Fax 91 44 28154148 Website www reindeersystems com Page 13 of 13 Revision 1 0
7. ssful Reset the device and try again will appear In case of error power off the unit and repeat from step1 Note Higher RF power output setting and lower RF baud rate setting will result in better communication range More details on these settings are available in the software help file 9 Ordering Information Product part Number RDSRF 422 T8FZ RS422 to RF Module in 868 MHz 10 Electrical Specifications Page 11 of 13 Revision 1 0 e RDSRE 422T8z o o o leeipdeer 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 Note This product comes without a casing Page 12 of 13 Revision 1 0 e RDSRF 422 T82 feetpdeer 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 a
8. 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 422 T8FZ will switch to transmit mode only if data is received by the main controller through the RS422 port And after successful transmission of the entire data the Tx LED will blink and the RDSRF 422 T8FZwill switch back to receive mode automatically Page 7 of 13 Revision 1 0 e RDSRF 422 T82 feerpdeer 6 Data handling in RDSRF 422 T8FZ The RDSRF 422 T8FZ 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 422 T8FZ is 1024 bytes And a time delay is required in between two packets 7 1 Example 1 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 1024 bytes can be calculated as shown below Packet size 1024 bytes Time taken by the main controller to
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