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1. r vacant Equipment Module Note JZ882 did not sleep in the state the module of the SLE feet must be vacant In the sleep state when the module must be low the module can send and receive data SHENZHEN JIZHUO TECHNOLOGY CO LTD TEL 0755 83304518 83308451 Tech 0755 61319411 61319410 WEB http www jizhuo com 4 Ji Zhuo lt 2D Technol ogy JZ882 micro power wireless data module Module with PC connections pC TTL TO R8232 TRRS232 TXD tr con la RX R5232 RD TTL to Ra2a Module PC with ES232 Converter COM port Note As JZ882 mode TTL interface module so the PC must be added to connect the TTL to RS232 converter and converter must supply DC 5V of electricity For software testing and change parameters S TI GIA EE I IE SMM e ug kend Ve Goes T 08 e Ree Leen Sew PRA RHD ar ng egal GEES stier FAS 12563 lomp v ais Se ia i Q eg o BE m gt en open PRE 9607 ee Joen ERG GE 4 T HONE GEE vl Bost 3 RS 9600 enen 886 nm jea x pel SH ESE Cep ex Int SH HERE 0 255 RH SHENZHEN JIZHUO TECHNOLOGY CO LTD TEL TI 0755 83304518 83308451 Tech 0755 61319411 61319410 WEB http www jizhuo com _5 GC J i Zhuo Technol ogy JZ882 micro power wireless data module A between the JZ882module and connect a PC RS 232 to TTL adapter and plug in the power select the serial port used B the radio detection when the check to the stati
2. Ji Zhuo DP Technol ogy JZ882 micro power wireless data module mode that is through the power module in a dormant state it must be user controlled mode Wake up pin block the module can send and receive data In the application of JZ882 module the module uses a wide range of voltage the voltage is also divided into two kinds the first for the 5V power supply module also known as conventional module the voltage of DC 4 5 5 5V The second is 3V power supply modules custom module for the user the voltage of DC 2 7 3 3V users in the use of power to DC power supply the current must be greater than 50mA but to choose a good power supply ripple Modules pin definitions JZ882 module J1 Interface Block a total of 6 pins defined in detail as follows Description Level User terminal Remarks Connected to the terminal wf Sleep control input end NN Low level to sleep High level TXD RS 485 A Serial data transmitting end RXD RS 485 A NN RXD RS 485 B Serial data receiving end TXD RS 485 B NN o C wer emnin omot inp Customize and exent inerte O NO 1 on off output user terminal on off input Customize and extend interface PIN LE ND CC 2 1 02 Ol A KS KE SHENZHEN JIZHUO TECHNOLOGY CO LTD TEL TI 0755 83304518 83308451 Tech 0755 61319411 61319410 WEB http www jizhuo com 3 Ji Zhuo Technol ogy JZ882 micro power wireless data module z Dimension Module with customer equipment connections
3. 10 L Features X Frequency 470 510MHz X Distance 2500m 1200Bps X Modulation GFSK X Transparent transmission X Built in watchdog to ensure long term reliable operation X UART TTL RS232 RS485 Interface X Convenient and flexible X Almost 512bytes data buffer X Suitable for built in installation TEL 0755 83304518 83308451 WEB hitp www jizhuo com GC J i Zhuo Technol ogy JZ882 micro power wireless data module JZ882 wireless module the use of ISM frequency band without application frequency can be set to 8 communication channels transmit power of 5 00mW 27dB high receiver sensitivity 122dbm size 63mm 43mm 15mm without antenna base a large number of the queuing system to use very convenient for users to do the embedded wireless systems JZ882 the use of transparent transmission in order to ensure the reliability and stability of the user s system plus the transmission checksum or CRC checksum error detection mode the error data retransmission Transceiver module buffer of 512bytes means that users can be in any state 512bytes of data transfer 1 when the speed is greater than the serial port is set to air rate is theoretically unlimited length can send information packets but does not recommend users to send long data packets the proposed length of each packet data between 60 100B generally not longer than the 120B and recommended user program using the ARQ mode the error data packets
4. Jizhuo Technology SHENZHEN JIZHUO TECHNOLOGY CO LTD JZ882 Micro Power Wireless Data Module User s Manual DVER 2 0 SHENZHEN JIZHUO TECHNOLOGY CO LTD TEL 86 755 83304518 805 Mobile 86 13692285161 FAX 86 755 83302824 Website http www jizhuo com Email sale jizhuo com MSN shenzhen_jizhuo hotmail com Address NO 813 212BLD Tairan Tech Park Futian District Shenzhen China Post Code 518040 Technol ogy JZ882 micro power wireless data module JZ882 Micro Power Wireless Data Module JZ882 data transmission module is highly integrated micro power half duplex wireless data transmission module which uses ADI high performance RF chips and high speed microcontroller Module provides 8 channels and is equipped with a professional set up software for the user to change parameters the module with transparent transmission mode no user written set and transmission procedures you can transmit data of any size Module is small the use of voltage is wide easy touse Applications X Water electricity gas heating automatic meter reading system x Wireless smart terminal PDA x Wireless Queue System x Wireless alarm and security system X Smart Card X Medical and electronic instrumentation automation control X Intelligent teaching equipment X Intelligent home automation and lighting control X Wireless electronic scale SHENZHEN JIZHUO TECHNOLOGY CO LTD Tech 0755 61319411 613194
5. data the data will be processed the frame side to sleep Module in sleep state to work state it is necessary to SLE pin from high to low MCU is working on several ms to enter into the state but in order to send data to the stability of the user side should be more than 60ms latency available for data transmission SHENZHEN JIZHUO TECHNOLOGY CO LTD TEL TI 0755 83304518 83308451 Tech 0755 61319411 61319410 WEB http www jizhuo com 6 Technol ogy JZ882 micro power wireless data module VW UL Eaab IDLESSE Transform on transceiver and receiver End user devices receiving the data sent by the module and then transferred to the data center must have sent more than Ims delay Module A Module P gem i RLG PLPA L lna E From Module A transmit to Module B receive When the user is doing data transfer the data must take into account the delay module in order to ensure the reliability of wireless transmission the company added the module FEC forward error and other encoding rules Then from A to B module module in the middle of the transmission of data with different baud rates for the delay in the following table Air rate Time ts1 Air Rate Time ts1 bps ms bps ms SHENZHEN JIZHUO TECHNOLOGY CO LTD TEL TI 0755 83304518 83308451 Tech 0755 61319411 61319410 WEB http www jizhuo com s 7 Ji Zhuo Technol ogy JZ882 micro power wireless data module JZ A RXD JZ B TAD Application
6. inconsistency devices not l Without power communicat Module has destoryed ed The pin of sleep mode not set Environment very bad or the antenna is blocked Short The existence of the same frequency or magnetic or electrical interference or Distance replacement of the channel away from sources of interference Power match or not Voltage and current is large enough Without power TTL to RS232 converter is damaged or without power supply Module cant Converters module pc with connection error communicat Change work channels e with PC Serial port baud rate settings are not correct or air to re set Power supply ripple big replace the power supply Note All of the rights of final interpretation and modification by our company SHENZHEN JIZHUO TECHNOLOGY CO LTD TEL TI 0755 83304518 83308451 Tech 0755 61319411 61319410 WEB http www jizhuo com 11
7. l of JZ891 and programme manual 3 IO attemper function You can use one JZ891 with full transparence protocol for the Main station some JZ891 with ID protocol for the appurtenant stations each JZ891 of the appurtenant station must set one unrepeatable ID You can attemper the appurtenant station IO according to communication protocol of JZ891 Remarks when you use IO attemper function we provide communication protocol of JZ891 and programme manual Description of the normal work light Wireless module has a two color indicator light power the red light will flash twice emission data red green light when receiving data JZ882 default parameter dag 42859MHZ e 491 1580MHZ Channel First channel Serial port verification Null 459 0260MHZ EN 402 dont Airborne speed 9600BPS Technical specification of JZ882 SHENZHEN JIZHUO TECHNOLOGY CO LTD TEL TI 0755 83304518 83308451 Tech 0755 61319411 61319410 WEB http www jizhuo com Q Ji Zhuo Technol ogy JZ882 micro power wireless data module Communicated Model JZ88 1 JZ882 JZ883 Optional Antenna KN LE RARER R G TER SHENZHEN JIZHUO TECHNOLOGY CO LTD TEL TI 0755 83304518 83308451 Tech 0755 61319411 61319410 WEB http www jizhuo com 10 J i Zhuo Technol ogy JZ882 micro power wireless data module Trouble and solve ways Trouble and solve ways Communication at both ends of the air rate parity inconsistency Between l l Frequency
8. of IO control JZ891 have 2 on off input ports 2 on off output ports as follows YCC Dr fe A 79 eh HO A AAR AT D HH D BR ml Sa H Sn SHENZHEN JIZHUO TECHNOLOGY CO LTD TEL TI 0755 83304518 83308451 Tech 0755 61319411 61319410 WEB http www jizhuo com amp E D Ji Zhuo Technol ogy JZ882 micro power wireless data module IO Attemper Function JZ891 have two communication protocols Full transparence protocol and ID protocol Remarks full transparence protocol is default protocol if you need JZ891 with ID protocol please tell us when you order 1 full transparence protocol In this mode whatever protocol you use JZ891 can send it to the other side It can not change data format and data bits JZ891 can be used for Reading meter RTU and PLC with Address and so on 2 ID protocol Shenzhen Jizhuo technology CO LTD China TEL 86 755 83304518 http www jizhuo net 5 JZ891 Mini Power Wireless Module User s Manual When your terminal without Address or ID you can use JZ891 with ID protocol in this way you can differentiate the data from you terminal The Main station you must use JZ891 with full transparence protocol the appurtenant station you must use JZ891 with ID protocol The JZ891 of the appurtenant station must set ID according Jizhuo RF module soft you can resolve the data from user terminal transmit according to ID Protocol Remarks when you use JZ891 with ID protocol we provide communication protoco
9. on the software will prompt detection success you can read or change a single parameter C change parameters when you select a parameter you want to set after set up to read again to see the parameters of the module is not what you want Note Two or more modules to communicate then the frequency of the station modules and air rate must be consistent Module to communicate with user equipment the module s serial port parameters and user settings must be consistent Communicated Module JZ882 wireless module with all the JZ88 series of models to communicate with each other Communication as long as you pay attention to the following A select all the modules to the same channel B you have the same communication module of the air rate C the communication module power supply interface connection is connected Sleep Mode JZ882 divided into dormancy release version with no sleep JZ882 sleep after the current is 10uA JZ882 hibernation wake up mode for the hardware Wake is the fifth through the interface hardware input pin high to sleep wake up input low If the user has a sleep function JZ882 but do not want to use the hibernate feature available through JZ882 pin 5 to ground then achieve Details as followings Module in the working state to sleep state it is necessary to SLE pin from low to high if the module is idle no transmit receive data MCU to sleep within about Ims If you are in the collection and development
10. retransmission As follows If the actual error rate 10 4 users need to send 1KB about 10000bit information if the IKB data as a packet sent at least theoretically there will be a data error in the receiver then the IKB data can never be received correctly If it is divided into 10 packages each package 100B then send 10 packets the packets according to a probability of only 1 error the error in the form of a packet retransmission by ARQ 1 although it took more than packet and the efficiency decreased by about 10 but it can guarantee all the information is correctly received JZ882 set parameters the market is no longer used wireless modules used in the traditional way to change the parameters of the jumper causing long term use because it brings bad options less dynamic change is not easy a lot of inconvenience JZ882 using the serial port setting parameters easy and quick easy set refers to the chip embedded in the user program and operating software in the background Meanwhile module 1200 2400 4800 9600bps 4 kinds of rate and 8 frequencies provide UART TTL RS232 RS485 three kinds of interfaces Choice for users In the work on JZ882 There are two ways of working first for the conventional model which Module is powered On is in receive mode you also can be sending data The second is sleep SHENZHEN JIZHUO TECHNOLOGY CO LTD TEL TI 0755 83304518 83308451 Tech 0755 61319411 61319410 WEB http www jizhuo com De y

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