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KYL-300L_1

型号：

KYL-300L_1

描述：

低功耗无线收发模块的数据[ Low Power Wireless Transceiver Data Module ]

品牌：

KYL[ SHENZHEN KYL COMMUNICATION EQUIPMENT CO,LTD. ]

页数：

15 页

PDF大小：

234 K

下载PDF手册
ShenzhenKYLCommunicationEquipmentCo.,Ltd  
KYL-300L Low Power Wireless  
Transceiver Data Module  
Shenzhen KYL Communication Equipment Co., Ltd  
Add: 3705-3707, Building C, Huangdu Square, Yitian Road, Futian District,  
Shenzhen, Guangdong, China 518048  
Tel: 86-755-83410815; 86-755-82943662  
Email: sales01@rf-data.com; sales02@rf-data.com  
Fax: 86-755-83408785  
Web: www.rf-data.com  
1
Fax: +86-755-83408785  
www.rf-data.com  
ShenzhenKYLCommunicationEquipmentCo.,Ltd  
Catalogue  
I. About KYL-300L ....................................................................3  
II. Features of KYL-300L ..........................................................3  
III. Applications of KYL-300L.................................................. 4  
IV. How to use KYL-300L..........................................................4  
V. Networking Application of KYL-300L............................... 14  
VI. Technical specification of KYL-300L................................ 14  
VII. Description of type.............................................................. 15  
2
Fax: +86-755-83408785  
www.rf-data.com  
ShenzhenKYLCommunicationEquipmentCo.,Ltd  
Before using our products, please read the user manual carefully. Any questions, feel  
free to contact us at the above mentioned methods.  
I: About KYL-300L  
KYL-300L is a kind of low power wireless transceiver data module. With small size,  
low power consumption as well as good stability and reliability, it is widely used as  
wireless data transceiver in long-ranges, narrowband low power UHF wireless data  
transmitters and receivers with channel spacing as low as 25 KHz.  
II: Features of KYL-300L:  
1. Low power transmission: 500mW (default), 600mW~1W (optional).  
2. Carrier frequency: 433MHz (default), 400-470MHz, 868MHz, 915MHz  
(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 ensure the data’s resistance against 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  
-3  
is 10 , the reliable transmission distance is 3000m @1200bps and  
2000m@9600bps respectively.  
5. Transparent data transmission  
Transparent data interface used in transceivers is to satisfy 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  
KYL-300L provides 8 channels, expandable for 16, 32 channels according to  
requirements of users.  
7. 2 ports with three connection methods  
KYL-300L transceivers provide 2 ports with three connections, a UART interface  
of TTL level, a non-standard RS-232 port and a non-standard RS-485 port. USB  
interface port is also available. It can get the power for the PC directly  
8. 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 specify our sales  
your requirements when placing your orders.  
9. Intelligent data control system and no other extra programs required  
3
Fax: +86-755-83408785  
www.rf-data.com  
ShenzhenKYLCommunicationEquipmentCo.,Ltd  
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-300L transceivers automatically.  
10. Lower power consumption & nice sleep function  
With +5V power, the receiving current is less than 25mA, the transmitting current  
is less than 300mA, and the sleeping current is less than 20uA.  
11. High reliability, small size and excellent performance  
By using monolithic radio-frequency integrated circuit and single-chip MCU, the  
transceivers have less peripheral circuits, high reliability, and low failure rate.  
12. Various options for configurable antennas.  
13. Watchdog monitor inside  
Watchdog monitors the inner operation, so it can change the traditional product  
structure and also improve the reliability of our modules.  
14. With beautiful metal shell.  
III: Application of KYL-300L:  
KYL-300L the lower power wireless transceiver data module is suitable for:  
KYL-200L is suitable for:  
* Automatic Meter Reading (AMR);  
* Wireless alarm and security systems;  
* Building automation, security systems, wireless monitor, remote control and  
access control system;  
* Wireless data transmission, automatic data collection system;  
* Radio modem can be used for Sports training & competition;  
* Wireless dishes ordering;  
* Wireless POS, PDA wireless smart terminal;  
* RF module can be used for electronic bus station and intelligent traffics;  
* RF transmitter, Wireless electronic display screen and Queuing machine;  
* Wireless telemetry; charging for parking, parking lot;  
* Wireless modem automobile inspection and four-wheel orientation;  
* Wireless sensor, Industrial wireless remote control and air conditioning remote  
controller;  
* Data communication in the aspects of railway, oil field, dock and army.  
* 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-300L  
KYL-300L 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:  
4
Fax: +86-755-83408785  
www.rf-data.com  
ShenzhenKYLCommunicationEquipmentCo.,Ltd  
1. Power supply  
The factory setting is +5V (needing 7.5V-12V, please notify us when placing the  
order). Using better ripple factor, KYL-300L transceivers can also share power  
supply with other equipment. If possible, a voltage-stabilizing chip with 5V voltage  
is much more recommended than Switch power supply. But if only switch power  
supply is available, the jam caused by switch pulse 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-300L 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  
5
Fax: +86-755-83408785  
www.rf-data.com  
ShenzhenKYLCommunicationEquipmentCo.,Ltd  
4. Setting of channel, interface, and data format  
Before using KYL-300L, the user needs to make simple configuration to  
determine the channel, interface mode and data format based on his own needs.  
You can view or change 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.  
ii. The schematic diagram of setting the parameter as follows:  
a. Connect the PC and module with RS232 data cable.  
b. Open the “KYLCOM” PC software, then select “English” as follows:  
6
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ShenzhenKYLCommunicationEquipmentCo.,Ltd  
ⅲ. Click “open port” then will open a small window as the following picture, clients  
will write the parameters in this column.  
ⅳ. Click “read paras”.  
“Read correct” show your connection between KYL module and PC is correct.  
7
Fax: +86-755-83408785  
www.rf-data.com  
ShenzhenKYLCommunicationEquipmentCo.,Ltd  
If you want to change some technical parameter, you need do as follows.  
ⅴ. User can change the parameter such as channel and interface rate and Parity mode  
according to actual demand through the button of the left window. After writing the  
parameters in the left catalogue, click the “write para”, then will show “write  
correct”. So you have finished the process for changing technical parameter.  
8
Fax: +86-755-83408785  
www.rf-data.com  
ShenzhenKYLCommunicationEquipmentCo.,Ltd  
Note: The RF data rate(Air Rate) can not be set by user, it is confirmed when  
placing orders and set before delivery. So please confirm the RF data rate  
when placing the order.  
5. Installation dimension:  
9
Fax: +86-755-83408785  
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-300L 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-300L 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-300L, 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:  
10  
Fax: +86-755-83408785  
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-300L transceiver  
using FEC (Forward Error Correction) or other correction algorithm, when RxD  
of a KYL-300L 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  
4800  
48  
30  
19200  
10  
11  
Fax: +86-755-83408785  
www.rf-data.com  
ShenzhenKYLCommunicationEquipmentCo.,Ltd  
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-300L modules.  
d. Large-number data transmission  
In theory, when the interface data rate is faster than the RF data rate, KYL-300L  
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.  
12  
Fax: +86-755-83408785  
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-300L  
The communication channel of KYL-300L 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  
13  
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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-300L 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-300L  
* Modulation mode: GFSK/FSK  
* Working frequency: 400MHz~470MHz, 868MHz, 915MHz;  
* Power supply: DC 5V (7.5V~12V informed when placing the order);  
* RF power: ≤500mW, 600mW~1W is available;  
* RF data rate: 1200/2400/4800/9600/19200bps (Set before delivery);  
* Receive current: <28mA (TTL connect);  
* Receive sensitivity: -123dBm (1200bps); -118dBm (9600bps);  
* Transmitting current: <350mA;  
* Sleep current: <20uA;  
* Interface port: RS232/RS485/TTL/USB  
* Interface data format: 8E1/8N1/8O1;  
* Working humidity: 10%~90% relative humidity without condensation;  
* Working temperature: -35ꢀ~+75ꢀ( industrial)  
* RF Line-of-sight Range: 2000m(BER=10-5@9600bps);  
3000m(BER=10-5@1200bps)；  
* Size: 80mm*45mm*19mm (without antenna port).  
VII. Description of type  
14  
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www.rf-data.com  
ShenzhenKYLCommunicationEquipmentCo.,Ltd  
KYL-300L-96  
Baud Rate  
12:1200bps  
manufacturer  
type  
24:2400bps  
48:4800bps  
96:9600bps  
192:19200bps  
15  
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