VT-DTMUA5-433 RFTransceiver Transceiver Module User's guide
Contents
1. UART Option 02 UART option setting value Radio Baud 03 Radio band setting value Radio Channel 03 Radio Channel setting value ii SSCOM3 2 FESE J ERhttp www mcu51 com Email mc YT DTMUAS 433M 01 20 FOS 00 SN 0000000000000000 UART Baud 03 UART Option 02 Radio Baud 03 Radio Channel 03 AIRS Ree ABO 360 MER oO8 fcm xieo seh WWW MCUSI COM YR il AAEM aS sites 9600 DTR M ATS th E adle gt seat 9 mR AATE T PAG TIEI et oo ov m mg 7 FERRA yww mcuS1L cor S 0 R 118 COM3E417F 9600bps 8 CTS 0 DSR 0 RL Fig 6 Parameter Collect Setting Command All Commands are used HEX format and the command format is Data SOF CMD PLOAD EOF Length byte 1 1 n 1 Functions Start Byte Command Byte Data Byte Stop Byte SOF Start byte OxFD CMD Command byte indicate different command PLOAD Data bytes configure content EOF Stop byte OxFE CMD 1 Enter Setting Mode If enter setting mode and then set the parameters the setting parameters will be stored Data SOF CMD ENI EN2 EN3 EN4 ENS EOF Length byte 1 1 1 1 1 1 1 Functions OxFD 0x00 0x55 0x55 0x55 0x55 0x55 OxFE Respond Data SOF CMD STATE EOF Length byte 1 1 1 1 Functions OxFD 0x00 0 Success non 0 Fail OxFE CMD 2 Exit Setting Mode Copyright 202. data to the destination module Tx 0002ABC Rx 0001123 sAddr 0x0001 dAddr 0x0004 RTx 123 sAddr 0x0003 dAddr 0x0001 Data Path sAddr 0x0002 Logical Path dAddr 0x0001 sAddr 0x0004 dAddr 0x0001 Fig 4 Master Slave Mode Range Extend mode To extend communication range range extender can be use in transparent mode addressing mode and Master slave mode The range extender re transmits the data to the destination module and can receive data if destination address correct sAddr 0x0003 sAddr 0x0004 a Master dAddr 0x0001 dAddr 0x0001 RTx 0006123 Range Extend sAddr 0x0001 dAddr 0x0004 Data Path 7 Logical Path Tx 0006123 sAddr 0x0002 sAddr 0x0005 dAddr 0x0001 dAddr 0x0001 Fig 5 Master Slave Mode Setting Mode When receiving the Enter Setting Mode command device enter setting mode In setting mode user can set the parameters The device stays on setting mode until receive the Exit Setting Mode command Some parameters are sending out when power on to help user remember what parameters have set User can collect the parameters information correctly if configure the parameter of USB to 9600bps 8N1 as Fig 6 VT DTMUAS 433 Part Number V01 20 F05 00 Version Copyright 2013 V chip Microsystems Inc Version VTIDTMUAS MARCH 2013 v5 0 V CHIP VT DTMUAS5 433 SN 0000000000000000 Serial Number UART Baud 03 UART baud setting value
3. in the right way 6 The environment will influence the communication disdance much Copyright 2013 V chip Microsystems Inc v5 0 Version VTDTMUAS MARCH 2013 amp amp V CHIP VT DTMUAS 433 e Driver The USB interface is a virtual COM Port Device base on USB to UART bridge solution Install the drivers before connecting the module to a computer The virtual COM Port Device can be found as the Fig 1 shows 2 RS eR FEO REA BW HRW 8 R ee SSE lt o Rishar w Eit a mO Com 0 LPT oy Silicon Labs CP210x USB to UART Bridge COM3 Fig 1 Virtual COM Port Device Input Voltage The input voltage of the module ranges from 4 5V to 5 5V A clean supply voltage is needed for the module to function correctly LEDs There are 3 LEDs install in the module RED_LED Power on indicates BLUE _LED Receive data indicate GREEN LED Transmit data indicate Operating Modes The device can be used in the following operating modes 1 Transceiver Buffered data transceiver 2 Setting Mode The device is default on transparent mode and can select by commands See Setting Mode part in detail Transceiver Mode Transparent mode In this operating mode data of the transmitter module is received via the USB interface and initially buffered As soon as specific conditions are met timeout or data buffer be filled full the radio telegram is generated with preamble Sync word and Checksum and address inform
4. 1 1 Functions OxFD 0x02 0 Success non 0 Fail OxFE CMDS Communication mode and sleep mode Data SOF CMD COMOPTION SLPTYPE Twor sizer Twor rx Trx EOF Length byte 1 1 1 1 1 1 1 1 Functions OxFD 0x03 Communication mode Sleep mode BIT7 O s 1 ms OxFE BIT6 BITO Time tick COMOPTION Communication mode COMOPTION 0x00 0x01 0x02 0x03 0x04 0x05 0x06 Mode Transparent Transparent range Addressing Addressing range Master Slave Master Slave range extender extender extender SLPTYPE Sleep Mode only supports for UART module SLPTYPE 0x00 0x01 0x02 0x03 Mode Not sleep Sleep wake up by UART Sleep wake up by I O Sleep wake up by RF Twor ser WOR sleep time only supports for UART module Twor seer BIT 7 BIT 6 BIT O Time s ms Time Twor rx WOR Rx timeout only supports for UART module TwoR Rx BIT 7 BIT 6 BIT 0 Rx Timeout s ms Time Trx Rx time only supports for UART module Trx BIT 7 BIT 6 BIT 0 Copyright 2013 V chip Microsystems Inc v5 0 Version VTDTMUA5 MARCH 2013 V CHIP VT DTMUAS 433 Rx Time s ms Time Respond Data SOF CMD STATE EOF Length byte 1 1 1 1 Functions OxFD 0x03 0 Success non 0 Fail OxFE MOAN LRA Data SOF CMD T
5. 13 V chip Microsystems Inc Version VTIDTMUAS MARCH 2013 v5 0 V CHIP VT DTMUAS 433 Data SOF CMD EN1 EN2 EN3 EN4 ENS EOF Length byte 1 1 1 1 1 1 1 1 Functions OxFD OxFF OxAA OxAA OxAA OxAA OxAA OxFE Respond Data SOF CMD STATE EOF Length byte 1 1 1 1 Functions OxFD OxFF 0 Success non 0 Fail OxFE CMD3 Data SOF CMD UBAUD UOPTION DBAUD CHANNEL POWER EOF Length byte 1 1 1 1 1 1 1 1 Functions OxFD 0x01 COM Baud COM Option RF Baud Channel Output Power OxFE UBAUD COM baud UBAUD 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 Ox0a 0x0b Baud 1 2k 2 4k 4 8k 9 6k 14 4k 19 2k 28 8k 38 4k 57 6k 76 8k 115 2k 230 4k UOPTION COM Option UOPTION BIT Items Value 1 Value 0 BIT 7 ORDER MSB LSB BIT 6 FLOW Flow control enable Flow control disable BIT 5 D9 ODD Parity EVEN Parity BIT 4 BIT9 9Bits 8Bits BIT 3 PARITY Enable Disable BIT 2 SPB 2bits Ibit BIT 1 STOP High level Low level BIT 0 START High level Low level Note If parity enable BIT9 set to 9Bits DBAUD RF Baud UBAUD 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 Baud 1 2k 2 4k 4 8k 9 6k 19 2k 38 4k 76 8k 100k 250k
6. 500k CHANNEL Channel CHANNAL 0x00 0x32 Frequency Range 428MHz 438MHz Note Supports 51 channels channel spacing 200kHz the channel 0 frequency is 428MHz and the channel 50 frequency is 438MHz POWER RF output power POWER Hex CO 63 68 6C 28 26 25 1F 32 19 OE OB 08 07 05 04 03 Po dBm 27 23 20 17 15 13 11 9 7 5 3 1 1 3 5 7 9 Respond Copyright 2013 V chip Microsystems Inc Version VTIDTMUAS MARCH 2013 v5 0 V CHIP Data SOF CMD STATE EOF Length byte 1 1 1 1 Functions OxFD 0x01 0 Success non 0 Fail OxFE CMD4 Address setting Data SOF CMD TYPE SADD DADD EOF Length byte 1 1 1 2 2 Functions OxFD 0x02 Setting Type Source Destination OxFE address address VT DTMUAS 433 TYPE Setting Type 0x00 Set the source address and the destination address 0x01 Set the source address 0x02 Set the destination address SADD Source Address 0x0001 OxFFFE Reserved 0x0000 and OxFFFF DADD Destination Address 0x0001 0xFFFE Reserved 0x0000 Broadcast address OXFFFF Respond Data SOF CMD STATE EOF Length byte 1 1
7. SB device Consumption Transmit lt 250mA Receive lt 55mA Optional Antenna e e Application Automatic Meter Reading Wireless Sensor Network Data Collector Controls Remote Controls POS Systems Building Automation Android Controls Copyright 2013 V chip Microsystems Inc Version VTIDTMUAS MARCH 2013 v5 0 V CHIP Specification Testing condition Ta 25 C VCC 5 0V Parameter Center Frequency 433MHz VT DTMUAS 433 Condition Note Programmable Modulation GFSK Customize for ASK FSK OOK MSK Output Power Max 27dBm Programmable Sensitivity 110dBm 1 2kbps Radio Data Rate Max 500kbps Programmable USB Interface Rate Max 230 4kbps Programmable Protocol Format 8N1 Programmable Transmit Current lt 250mA Depend on output power Receive Current lt 5SmA Distance 1200 meter Open area 27dBm 2 4kbps Operate Humidity 10 90 Operate Temperature 40 C 85 C Input Voltage 5 0VDC 10 Antenna 500hm Size Note 1 Noted that higher radio data rate causes of shorter communication disdance N nA A WwW Noted that higher radio data rate causes of lower sensitivity Noted that lower input voltage causes of lower output power Noted that the operate temperature out of range 40 C 85 C will influence the center frequency Be sure to use a match antenna and mount it
8. VT DTMUAS 433 RF Transceiver Module User s guide v5 0 Add 612 613 Enterprises Incubator No 1 Qilin Road Nanshan Shenzhen Tel 86 755 88844812 Fax 86 755 22643680 E mail sales digirf com ZIP 518052 Web www digiRF com V CHIP VT DTMUAS5 433 Description The VT_DTMUAS 433 module is designed as a wireless sub module for wireless communication between devices like controls POS systems data collectors etc It offers several addressing modes and relieves the host systems of wireless specific task such as checksum calculation address resolution It can be deployed whenever the wireless exchange of data packet between two or more patties is required A USB interface Virtual COM Port Device whose data rate is adjusted flexibly is available for communicating with the host systems The data rate can be adjusted from 2 4kbps to 230 4kbps Thanks to its small size and the external SMA antenna connector the module can easily be installed in existing systems without any external circuits Key Features GFSK modulation Communication distance up to 1200 meter Supports addressing transparent communication Auto add preamble checksum address information Supports setting mode to configure parameters Channel Interface Band Rate Radio Data Rate Output Power Source Address Destination Address USB interface Virtual COM Port Device Half Duplex communication 8N1 format 5 0V DC Power Supply Input voltage from a U
9. YPE EOF Length byte 1 1 1 1 Functions OxFD 0x04 0x00 Read all parameters OxFE 0x01 Read UART Baud rate 0x02 Read UART Option 0x03 Read RF Baud rate 0x04 Read Channel 0x05 Read output power 0x06 Read source address 0x07 Read destination address 0x08 Read communication mode 0x09 Read sleep mode 0x0a Read Rx timeout 0x0b Read WOR sleep time 0x0c Read WOR Rx timeout Respond Data Lengfh bytes Functions SOF 1 O0xFD CMD 1 0x04 UBAUD 1 UART Baud rate UOPTION 1 UART Option DBAUD 1 RF Baud rate CHANNEL 1 Channel POWER 1 Output power SADD 1 Source address DADD 1 Destination address COMOPTION 1 Communication Mode SLPTYPE 1 Sleep Mode Twor SIEEP 1 WOR sleep time TWOR RX 1 WOR Rx timeout Trx 1 Rx timeout EOF 1 OxFE Note Default Parameters Item Parameter Describe Copyright 2013 V chip Microsystems Inc v5 0 Version VTDTMUAS MARCH 2013 V CHIP VT DTMUAS 433 UBAUD 0x03 9600bps UOPTION 0x02 8N1 DBAUD 0x03 9600bps CHANNEL 0x00 428MHz POWER OxCO 27dBm SADD 0x0001 DADD 0x0001 COMOPTION 0x00 Transparent SLPTYPE 0x00 Not sleep Twor_SIEEP 0x00 Twor Rx 0x00 Trx 0x00 Antennas We offer many kinds of antennas We can design a matching antenna for specific conditions Some of the antennas are show on the Tab 2 Tab 1 Antennas Spring Antenna gt Small size gt Low cost gt Easy to embedded SMA Plastic Antenna gt Me
10. ation modules address are the same As soon as the transmission of a packet has begun the USB interface cannot receive any further data The receiver module receives the wireless telegram and transmits the payload characters via USB interface As long as receiver module is busy in sending characters via the USB interface wireless telegram reception is not possible For example this effect is noticeable when sending a long data packet and subsequently a short data Copyright 2013 V chip Microsystems Inc Version VTIDTMUAS MARCH 2013 v5 0 V CHIP VT DTMUAS5 433 packet In this case the receiver module may still be busy in sending the first packet via USB interface and the second packet may be lost For example if the transmitter send 1234567890 all module in the receive range can receive 1234567890 This operating mode supports range extender device that can receive the data and re transmits data to other receiver Tx 1234567890 Rx 1234567890 RTx 1234567890 Data Path Logical Path Rx 1234567890 Fig 2 Transparent Mode Addressing mode In this operating mode the transmitter s source address and destination address need to be the same as the receiver s destination address and source address respectively For example set the transmitter s source address 0x0001 and destination address 0x0004 and set the receiver s source address 0x0004 and destination address 0x0001 The transmitter sen
11. beyond the parameters stated by V chip for that product or service voids all express and any implied warranties for the associated V chip product or service and is an unfair and deceptive business practice V chip is not responsible or liable for any such statements Copyright 2013 V chip Microsystems Inc Version VTIDTMUAS MARCH 2013 v5 0
12. d 1234567890 then the receiver can receive 1234567890 This operating mode is useful in Point to Point communication and supports the range extender device that re transmits data to the destination module Tx 1234567890 sAddr 0x0001 dAddr 0x0004 RTx 1234567890 sAddr 0x0003 dAddr 0x0004 Data Path sAddr 0x0002 Logical Path dAddr 0x0004 sAddr 0x0004 dAddr 0x0001 Fig 3 Addressing Mode Master Slave mode In this operating mode the first 2 bytes of data from the USB is the destination address in the Master side the data send to the correct destination address and the first 2 bytes of data from wireless is the source address it tell to the master where the data from For example set the master s source address 0x0001 if we want to send the data ABC to the destination module source address 0x0002 send data Ox0002 ABC to the master then the destination can receive the data ABC If the master receives data from a slave 0x0004 123 the 0x0004 is the slave s address Copyright 2013 V chip Microsystems Inc Version VTDTMUAS MARCH 2013 v5 0 V CHIP VT DTMUAS5 433 The destination address and source address do not input or output via the USB in the Slave side but the slave s destination address must set as the same as the master s source address This operating mode is a typically start topology mode and supports range extender device that re transmits
13. dium size gt Low cost gt High gain Copyright 2013 V chip Microsystems Inc Version VTIDTMUAS MARCH 2013 v5 0 V CHIP VT DTMUAS5 433 Sucker Antenna gt High gain gt Have sucker gt Easy to fix Troubles and Processing Methods Troubles Processing Methods Check the input voltage ensure it is not lower than 4 5VDC Configure the output power parameter to the max Short distance Check the antenna ensure it is not to be shielded Configure the radio data rate to a lower value Check the input voltage Communicating 2 Reconnect the module to the host failed Addresses of the communicating modules are all right LEDs flash while transmission or reception Antenna does not match to the module High error rate Co Channel interference try another channel IMPORTANT NOTICE V chip Microsystems Inc short of V chip reserve the right to make corrections modifications enhancements improvements and other changes to its products and services at any time and to discontinue any product or service without notice Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete All products are sold subject to V chip s terms and conditions of sale supplied at the time of order acknowledgment V chip warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with V chip
14. s standard warranty Testing and other quality control techniques are used to the extent V chip deems necessary to support this warranty V chip does not warrant or represent that any license either express or implied is granted under any V chip patent right copyright mask work right or other V chip intellectual property right relating to any combination machine or process in which V chip products or services are used Information published by V chip regarding third party products or services does not constitute a license from V chip to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual property of the third party or a license from V chip under the patents or other intellectual property of V chip Copyright 2013 V chip Microsystems Inc Version VTIDTMUAS MARCH 2013 v5 0 V CHIP VT DTMUAS5 433 Reproduction of V chip information in V chip data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties conditions limitations and notices Reproduction of this information with alteration is an unfair and deceptive business practice V chip is not responsible or liable for such altered documentation Information of third parties may be subject to additional restrictions Resale of V chip products or services with statements different from or
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