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KYL-300M_1

型号：

KYL-300M_1

描述：

RF无线数据模块[ RF Data Radio Module ]

品牌：

KYL[ SHENZHEN KYL COMMUNICATION EQUIPMENT CO,LTD. ]

页数：

10 页

PDF大小：

144 K

下载PDF手册
ShenzhenKYLCommunicationEquipmentCo.,Ltd  
KYL-300M RF Data Radio Module  
Shenzhen KYL Communication Equipment Co., Ltd  
Address: C3705-3707, Huangdu Square, South of Exhibition Center, Yitian Road,  
Futian District, Shenzhen, Guangdong, China 518048  
Tel: 86-755-82943662  
Fax: 86-755-83408785  
Skype：KYL-Sunny  
Yahoo messenger: KYL_Sunny@yahoo.com  
MSN: KYL-Sunny@hotmail.com  
Email: sales02@rf-data.com  
Website: http://www.rf-data.com  
1
Fax: +86-755-83408785  
sales02@rf-data.com  
www.rf-data.com  
ShenzhenKYLCommunicationEquipmentCo.,Ltd  
Before using our products, please read the user manual carefully. Any questions,  
please contact us at the above mentioned ways.  
I: About KYL-300M  
KYL-300M, RF data radio is designed to be low cost and high performance radio  
modem. The new design makes the modem more flexible for different application in  
various configurations. Basically, this type of modem is SMART enough to be  
customized to fully meet end user’s requirements.  
II: Features of KYL-300M:  
1. Low power transmission: 2W  
2. Carrier frequency: 433MHz (default), 400-470MHz (optional)  
3. High anti- interference and Low BER (Bit Error Rate)  
Based on GFSK modulation, high-efficiency forward error correction channel  
encoding technology is used to enhance the data’s resistance to both transient  
interference and random interference. The actual BER can be achieved to 10-5~  
10-6 when channel BER is 10-2.  
4. Long Transmission Distance  
Within the visible range, when the height of antenna is higher than 2m and The  
BER is 10-5, the reliable transmission distance is 7km @1200bps, and is  
5km@9600bps respectively.  
5. Transparent data transmission  
Transparent data interface used in transceivers is to meet many standard and  
nonstandard user protocols. Any false data generated in air can be filtrated  
automatically (What has been received is exactly what has been transmitted).  
6. Multi-channels  
We provide 8 channels, expandable for 16, 32 channels according to customers’  
requirements.  
7. Big data buffer area  
With optional interface baud rates: 1200/4800/9600/19200bps and 8N1/8E1/8O1  
data format (decide by user), the transceiver can transmit unlimited data frames  
with flexible user program.  
Note: the RF data rate is only settled down before delivery; please inform our  
sales when placing your orders.  
8. Intelligent data control system and no other extra programs required  
Even for half duplex communication, no other excessive programs are required.  
All RF system data transmission/reception and other On-the-Fly conversion and  
control are performed by KYL-300M transceivers automatically.  
9. Lower power consumption & nice sleep function  
With 5V power, the receiving current is less than 30mA, the transmitting current  
is less than 1.5A, and the sleeping current is less than 20uA.  
10. High reliability, small size and excellent performance  
2
Fax: +86-755-83408785  
sales02@rf-data.com  
www.rf-data.com  
ShenzhenKYLCommunicationEquipmentCo.,Ltd  
High sensitivity, small size is suitable for the order-dish system. With Long  
transmission distance, strong penetrability, it is preferable for handheld  
terminal.  
11. More options of configurable antennas for user different applications.  
12. Watchdog monitor  
Watchdog monitors the inner function, so it can change the traditional product  
structure and also improve the reliability of our modules.  
13. With beautiful metal shell.  
III: Application of KYL-300M:  
KYL-300M is suitable for:  
* Wireless Order-dish system;  
* Wireless POS, PDA, wireless smart terminals;  
* Lower power consumption System;  
* Automatic Meter Reading (AMR)  
* Wireless alarm and security systems  
* Building automation, security, wireless monitor and control of room  
equipment, Access Control System;  
* Wireless data transmission, automatic data collection system;  
* Radio modem can be used for Sports training & competition;  
* Electronic bus station and intelligent traffic;  
* Wireless electronic display screen and queuing machine;  
* Wireless telemetry, charging for parking, parking lot;  
* Automobile inspection and four-wheel orientation;  
* Wireless sensor, Industrial wireless remote control and air condition remote  
control;  
* LED display in thruway and public place  
* Point to multi-point wireless network, wireless on-the-spot bus and automatic  
data collection system;  
IV: How to use the KYL-300M  
KYL-300M provide RS-232, RS-485 and UART/TTL level interface port for direct  
connection with PC, RS485 devices, monolithic processors and other UART  
components kinds of applications. The schematic diagram is shown below:  
3
Fax: +86-755-83408785  
sales02@rf-data.com  
www.rf-data.com  
ShenzhenKYLCommunicationEquipmentCo.,Ltd  
1. Power supply  
The factory default setting is +5V (7.5V-12V will inform when placing the  
order).By using better ripple factor, KYL-300M transceivers can also share power  
supply with other equipment. If possible, a voltage-stabilizing chip with 5V voltage  
is more recommended as the only power supply than Switch power supply. But if  
only switch power supply available, the jam by switch pulse to the transceivers  
should be avoided. In addition, the reliable grounding must be used if there is other  
device in the system equipment. In case of failing to connect with the ground, it can  
form its own grounding but must be absolutely separated from the municipal  
electric supply.  
2. Connection Definition with terminal  
KYL-300M transceivers supply one 9-pin connector (JP1), their definitions and  
connection methods with terminals are shown in Table 1.  
Table 1: JP1 Pin Definitions and connection methods  
Pin No. Signal Name Function  
Level  
Connection  
with terminal  
Ground  
Remarks  
1
2
3
4
GND  
Grounding of power supply  
Power supply DC  
Vcc  
5V  
RxD/TTL  
TxD/TTL  
Serial data input to the transceiver  
TTL  
TxD  
RxD  
Transmitted data out of theTTL  
transceiver  
Signal  
5
6
SGND  
A (TXD)  
A of RS-485(TxD of RS-232)  
B of RS-485(RxD of RS-232)  
A(RxD)  
7
8
B (RXD)  
SLEEP  
B(TxD)  
Sleep control (input)  
TTL  
TTL  
Sleep signal  
High  
sleep  
level  
9
RESET  
Reset signal(input)  
Negative  
pulse reset  
3. The connection schematic diagram between computer and our  
RF module  
4
Fax: +86-755-83408785  
sales02@rf-data.com  
www.rf-data.com  
ShenzhenKYLCommunicationEquipmentCo.,Ltd  
4. Setting of channel, interface, and data format  
Before using KYL-300M, the user needs to make simple configuration based on  
its own needs to determine the channel, interface mode and data format. The user  
can change or view the module's interface baud rate, channel and address code.  
Parameter setting or reading as per the testing software KYLCOM in the PC (in  
products box).And the configuration is as follows:  
i. Channel configuration:  
Channel No.  
Frequency  
Channel No.  
Frequency  
1
2
3
4
429.0325MHZ  
430.0325MHZ  
431.0325MHZ  
432.0325MHZ  
5
6
7
8
433.0325MHZ  
434.0325MHZ  
435.0325MHZ  
436.0325MHZ  
Note: the frequency points corresponding to each channel can be adjusted  
based on the user’s needs.  
5. Installation dimension:  
5
Fax: +86-755-83408785  
sales02@rf-data.com  
www.rf-data.com  
ShenzhenKYLCommunicationEquipmentCo.,Ltd  
6. The Function-indicator light  
a. The LED indicator light will glitter red for 0.5S once after switched on.  
b. The LED indicator light will glitter green continually while receiving data from  
air.  
c. The LED indicator light will glitter red continuously when transmitting data into  
air after receiving from COM.  
d. If the module enables the sleep function, LED indicator light is always dark.  
7. Supported protocol and Transmit capability  
KYL-300M standard transceivers offer transparent protocol to support various  
applications and protocols of users. If the user needs to decrease his cost or ease the  
workload of terminal CPU, we can add other specific functions based on the  
transparent protocol, such as addressing, data acquisition, command interpretation,  
etc.  
8. Sleep function instruction:  
Due to reducing more consumption, KYL-300M transceivers support Sleep  
function. In sleep mode, the current consumption is less than 20uA.  
a. How to use the Sleep function:  
The Pin8 ‘SLP’ in JP1 is the signal of sleep control. In high power level,  
transceiver stays in working mode. In low power level (<0.5V), transceiver stays  
in sleep mode. The SLP signal can convert transceiver from working to sleep  
mode in 1ms after falling edge. If the Sleep signal arrives when the transceiver is  
transmitting data, the module will enter sleep mode after finishing transmission.  
From sleep mode to working, it takes the transceiver 1ms after rising edge.  
To disable the opened sleep function of KYL-300M, the SLP (SLEEP) pin  
should be definitely connected with 0 or ground.  
b. Attentions about use of sleep function:  
When the sleep function enabled, any supply glitches, such as switch dithering,  
fire striking or quick switching on and off, could cause the transceiver to be  
switched to the wrong sleep mode.  
After switching on, users can avoid this error by making a compulsive  
restoration once after the CPU delays 100ms.  
Sleep Timing Diagram:  
6
Fax: +86-755-83408785  
sales02@rf-data.com  
www.rf-data.com  
ShenzhenKYLCommunicationEquipmentCo.,Ltd  
8. The attentions of data transmission  
a. The delay time (tc) of conversion between transmitting and receiving is less than  
1ms.  
Timing diagram:  
b. The delay time of transceivers between the first bit sent by TxD to the first  
bit received by RxD.  
Due to a data processing will be made on user’s data by KYL-300M transceiver  
using FEC (Forward Error Correction) or other correction algorithm, when RxD  
of a KYL-300M transceiver ‘A’ receives the data, then transmits it, the other one  
transceiver ‘B’ will have a delay (ts) to receive and transmit by TxD. Different  
RF data rate causes different delay time. Please see the specific delay time  
below:  
RF Date Rate Delay  
RF Date Rate Delay  
(bps)  
1200  
Ts(mS)  
90  
(bps)  
9600  
Ts(mS)  
16  
2400  
48  
19200  
10  
7
Fax: +86-755-83408785  
sales02@rf-data.com  
www.rf-data.com  
ShenzhenKYLCommunicationEquipmentCo.,Ltd  
4800  
30  
Timing diagram:  
c. Error dealing procedure:  
To enhance the reliability and stability of user’s systems, a verify bit or a Cyclic  
Redundancy Check (CRC) mode is highly recommended to resent the wrong  
information while using KYL-300M modules.  
d. Large-number data transmission  
In theory, when the interface data rate is faster than the RF data rate, KYL-300M  
transceivers can sent unlimited-long data package, but any long packages more  
than 120B are not recommended. The length of each package should be between  
60~100B. We also recommend user to resent the wrong information using  
Automatic Error Request Equipment (ARQ).  
The analyzing as below:  
What if the actual transmission BER (Bit Error Rate) is 10-4, 1 packet with 1KB  
data, which is about 10-thousand bits, is sent, theoretically, at least 1 bit will be  
received wrongly, then the 1KB information will never be received correctly.  
But if we package the data into 10 packets with 100B for each, when all 10  
packets are sent, there will be only 1 packet wrong according to this probability.  
After that, resend this wrong packet using ARQ mode. So by resending one more  
packet and the efficiency rate is reduced 10%, all data will be absolutely received  
correctly.  
10. Antenna configuration:  
Many appropriative antennas for low power RF modules are selected for meeting  
different user antenna configurations. Please ask our Sales office for further  
information about the antenna’s dimension and performance.  
a. Helical SMA antennas  
KYL-ANT-433-10-SMA: 100mm helical SMA antennas with high gain and low  
cost, reach a long distance.  
8
Fax: +86-755-83408785  
sales02@rf-data.com  
www.rf-data.com  
ShenzhenKYLCommunicationEquipmentCo.,Ltd  
KYL-ANT-433-3-SMA: 28mm SMA helical antenna with magnetic core, small size,  
beautiful appearance (like the mobile phone antenna)  
KYL-ANT-433-10-ZSMA: 100mm SMA helical antenna with folding joint, easy for  
adjusting the direction and fixing.  
b. Magnetic vehicle antenna  
KYL-ANT-O433S-300H1.5-SMA: include magnetic antenna base, suitable for  
equipment with metal shell, easy for fixing, effective to enhance the transmission  
distance.  
More  
kinds  
of  
antenna,  
please  
browse  
our  
website:  
http://www.kylcom.com/Products_list_en.asp?classid=163  
If the user has special demands on antennas, we can design and produce for them  
specially.  
V. Networking Application of KYL-300M  
The communication channel of KYL-300M is half duplex, which is most suitable  
for the communication mode of point to multi-point. Under this mode, one  
master station must be set, and all of the rest are slave stations. A unique address  
is given to each station. The coordination of communication is controlled by  
master station that uses data frames containing address code to transmit data or  
command. Slave station will receive all of the data and command and compare  
the received address code with local address code. If they are different, the data  
9
Fax: +86-755-83408785  
sales02@rf-data.com  
www.rf-data.com  
ShenzhenKYLCommunicationEquipmentCo.,Ltd  
will be deserted without any response. If those address codes are the same, it  
means the data is sent to the local. Slave station will make different responses  
according to the transmitted data or command and send back the data of response.  
All these jobs must be performed by upper protocol, and it is assured that there is  
only one transmitter-receiver in the state of transmission in the communication  
network at any instant moment so as to avoid the cross-interference.  
KYL-300M can also be used for point-to-point communication with easier  
operation. For the programming of serial port, all you have to do is to remember  
that its communication mode is semi duplex while always observing the time  
sequence of come-and-go for receiving and transmitting.  
VI. Technical specification of KYL-300M  
* Modulation mode: GFSK/FSK  
* Working frequency: 400MHz~470MHz;  
* Power supply: DC 5V (7.5V~12V will inform when placing the order);  
* RF power: ≤2W;  
* RF data rate: 1200/2400/4800/9600/19200bps (Set before delivery);  
* Receive current: <30mA (TTL connect);  
* Receive sensitivity: -123dBm (1200bps); -118dBm (9600bps);  
* Transmitting current: <1.5A;  
* Sleep current: <20uA;  
* Interface data format: 8E1/8N1/8O1;  
* Working humidity: 10%~90% relative humidity without condensation;  
* Working temperature: -35ꢀ~+75ꢀ( industrial)  
* RF Line-of-sight Range: 5000m(BER=10-5@9600bps);  
7000m(BER=10-5@1200bps)；  
* Size: 80mm*45mm*20mm (without antenna port).  
VII. Description of type  
KYL-300M-96  
Baud Rate  
12:1200bps  
manufacturer  
type  
24:2400bps  
48:4800bps  
96:9600bps  
192:19200bps  
10  
Fax: +86-755-83408785  
sales02@rf-data.com  
www.rf-data.com  
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