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PDF KYL-300I Data sheet ( Hoja de datos )
| Número de pieza | KYL-300I | |
| Descripción | wireless data transceiver module | |
| Fabricantes | Shenzhen KYL Communication | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de KYL-300I (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
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Shenzhen KYL Communication Equipment Co., Ltd
KYL-300I Low Power Wireless
Transceiver Data Module
Shenzhen KYL Communication Equipment Co., Ltd
Address: Unit 5-7, Building3, Huangdu Square, South of Exhibition Center,Yitian
Road, Futian District, Shenzhen Guangdong China
Tel: +0086-755-83410815
Fax: +0086-755-83408785
Skype：lxmlosia
Yahoo messenger: [email protected]
MSN: [email protected]
Website: http://www.rf-data.com
Fax: +0086-755-83408785 [email protected] www.rf-data.com
1
1 page  
Shenzhen KYL Communication Equipment Co., Ltd
IV: How to use the KYL-300I
KYL-300I provide RS-232, RS-485 and USB interface port for direct connection with
PC, RS485 devices, monolithic processors and other UART components kinds of
applications. The schematic diagram is shown below:
1. Power supply
The factory default setting is +5V(7.5V-12V will inform when placing the
order).By using better ripple factor, KYL-300I 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-300I 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
1 VCC
Power supply DC
5V
Connection
with terminal
Remarks
2 A (TXD) A of RS-485(TxD of RS-232)
A(RxD)
3 B (RXD) B of RS-485(RxD of RS-232)
B(TxD)
4 RxD
5 GND
6
GND
7
8
9
Fax: +0086-755-83408785 [email protected] www.rf-data.com
5
5 Page 
Shenzhen KYL Communication Equipment Co., 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-300I transceiver
using FEC (Forward Error Correction) or other correction algorithm, when RxD
of a KYL-300I 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:
Fax: +0086-755-83408785 [email protected] www.rf-data.com
11
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet KYL-300I.PDF ] | |
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