User`s Manual - Hexin Technology
Contents
1. Channel Frequency Channel Frequency 1 430 2000MHZ 9 458 5250MHZ 2 431 4288MHZ 10 459 1250MHZ 3 431 7360MHZ 11 459 5250MHZ 4 430 5072MHZ 12 460 1250MHZ HXJZ 874 Mini Power Wireless Module User s Manual 5 434 6940MHZ 13 460 5250MHZ 6 434 2332MHZ 14 461 1250MHZ 7 433 1580MHZ 15 461 5250MHZ 8 433 9260MHZ 16 462 1250MHZ Technical specification of HXJZ 874 Modulation mode GFSK Working frequency 430 470MHZ Transmission power lt 500mW HXJZ 874B lt 100mW HXJZ 874A Receiving sensitivity 123dBm Transmitting current lt 360mA HXJZ 874B lt 100mA HXJZ 874A Receiving current lt 45mA Channel speed rate 1200 2400 4800 9600 19200 38400Bit s User can choose Interface speed rate 1200 2400 4800 9600 19200 38400Bit s User can choose Change time for receiving and sending lt 10ms Interface data format 8E1 8N1 801 Power supply 5 0 5V DC power supply from USB interface Working temperature 20 C 85 C Working humidity 10 90 relative humidity without condensation Dimension 70mm 45mm 19mm not include antenna Attachable Communication with Model JZ871 JZ872 JZ873 HXJZ 874 JZ875 JZ878 Optional Antenna a spillikin Flagelliform Small acetabula antenna HXJZ 874 Mini Power Wireless Module User s Manual Trouble and solve wavs NO Trouble Trouble causes and solve wavs A a Power Line badness touch No shine of l 1 l b Power i2. High anti interference and low BER Bit error Rate Based on the GFSK modulation mode it adopts the efficient communication protocol T he actual bit error rate of 10 5 10 6 can be achieved when channel bit error rate is 10 2 5 Long transmission distance Within the range of visibility the reliable transmission distance is BER 10 3 1200bps gt 3000m HXJZ 874B gt 800m HXJZ 874A when the antenna height is greater than 3m BER 10 3 9600bps 6 Transparent data transmission Transparent data interface is offered to suit any standard or nonstandard user protocol Any false data generated in the air can be filtrated automatically What has been received is exactly what has been transmitted The charge time for receiving and sending lt 10ms 7 Multi channel and speed The standard HXJZ 874 configuration provides 8 channels to meet the multiple communication combination mode of the users It has baud rate to be chosen such as 1200bps 2400bps 4800bps 9600bps 19200bps 38400bps The wireless transmission rate is direct ratio with baud rate of interface to meet user s equipment requirement HXJZ 874 Mini Power Wireless Module User s Manual 8 High speed wireless communication and Large data buffer When the speed rate in the air is quicker than interface s allowing to transmit unlimited length data at one time when the speed rate is slower or equal the interface s allowing the transmission of 255 Bytes long data f
3. 874 into the PC s USB port here the virtual serial port can display in Device Manager 2 After using Please Close the program in advance then draw out HXJZ 874 HXJZ 874 Mini Power Wireless Module User s Manual 2 SBSH 0 x ata sav e um e a 33 DYD CD ROM BEZH Sy IDE ATAJATAPI 8138 yy IEEE 1394 HWETTE amp pcmcia E D Ri ifzhas A Eih AIA dag Af tml COM FO LPT A ArkMicro USB to Serial Ports COM A ECP EP I RO LPT1 MIS mi Si 0 H aa SACU E ale Ta KAN RE Z HXJZ 874 parameters setting HXJZ 874 have the interface of USB HXJZ 874 main parameters COM baud rate and verify RF baud rate Channel and freguency You can change these parameters by our RF Module soft When RF baud rate is faster than COM baud rate one frame can transmit limitless data When RF baud rate is not faster than COM baud rate one frame Can transmit 255 bytes most You can set the rate according your need The general Power F supply is 5V DC USB supply Note Don t use USB extend line or the power is not enough Two HXJZ 874 communicate must have condition as follows 1 Their channels i e frequency are same 2 Their RF rates are same 3 COM baud rate and verify agree with its equipment or PC that it connects with Parameters default value Channel 5 Interface speed rate 9600BPS Interface verify none Speed rate in air 9600BPS Channel and frequency list
4. HXJZ 874 Mini Power Wireless Module User s Manual HXJZ 874 Mini Power Wireless Module User s Manual About HXJZ 874 HXIZ 874 the mini power wireless module Enveloped with Epoxv is used as the wireless data transmission in short distance With the small size weight and power consumption and good stabilitv and reliabilitv it has the function of bidirectional data sign transmission test and control It is used for Wireless meter reading such as Water Meter Ammeter and Gas Meter Parking Meter intellective card electronic weighing apparatus meter for checking on work attendance queue wireless meter building control shipping companv control alarm svstem intelligent equipment Automatic data collecting svstem Industrial remote control and remote test building automation safetv and securitv powerhouse equipment wireless monitor entrance control svstem etc If necessarv we can provide USB interface to make it easv to settle the question of Power Supplv for Mini computer and PC users HXJZ 874 Feature 1 Ultra low power transmission Transmission power lt 500mW HXJZ 874B lt 100mW HXJZ 874A High receiving sensitivity 123dbm Size 70mm 45mm 19mm N Low power consumption Receiving current lt 45mA transmission current lt 360mA HXJZ 874B lt 100mA HXJZ 874A w ISM frequency band not requiring on application of frequency point Carrier frequency of 428 433MHz also capable of 868 915MHz Ia
5. rames at one time for more flexible programming bv users 9 Intelligent data control and the user doesn t need to prepare excessive programs Even for semi duplex communication the user doesn t need to prepare excessive programs onlv receiving transmitting the data from the interface HXJZ 874 will automatically complete the other operations such as transmission receiving conversion in the air control etc 10 High reliabilitv small and light Single chip radio frequencv integrated circuit and single chip MCU are used for lessened peripheral circuits high reliabilitv and low failure rate 11 Watchdog monitor Watchdog monitors the inner function so that change the traditional product structure and improve the product reliabilitv 12 Antenna choose Users can choose various antenna setting project and antenna according to user s different need to achieve a optimal effect Application of HXJZ 874 1 HXJZ 874 User interface HXJZ 874 provide USB interface User must install the USB driver before using HXJZ 874 After installing the driver PC can build one virtual serial port User s soft can operate the serial port for example COM4 View the serial port Desktop Click My computer on right button Attribute Hardware device manager COM and LPT you can see the increased COM port in the branch such as COM7 in the bellow picture Notice 1 you must install the USB driver before you use it then plug HXJZ
6. s bad Indicator light i L l l c Powerline meetinreverse or diode of polarity protect is bad l a Radio is badness touch with PC terminal No transmit or No 2 b Radio with TTL RS232 RS485 not match terminal recelve c RX frequency and TX frequency is not same a antenna not match or touch bad 3 Bit error rate High b RF baud rate is not right c Power supply ripple is too great 3 Indicator light a Electromagnetism disturb in circumstance twinkling b Same frequency disturb in the circumstance
Download Pdf Manuals
Related Search