1) RS485 interface
RS485接口
1.
The pressure reading have characteristic of small deviation,excellent value precision,good stability and can communication with master computer through RS485 interface.
在单片机中计算压力值,并进行数字补偿,经RS485接口输出,具有稳定性好、误差小、测量精度高等特点。
2.
Based on the character analysis of RS485 interface,the hardware of RS485 network supervisory control system is designed and the operational principle of the system is analyzed in detail.
在分析RS485接口特性的基础上,设计出基于RS485接口的网络监控系统的硬件电路,并对系统的工作原理进行了详细分析。
3.
One control system structure on fieldbus divided into groups in grades and the application method of RS485 interface and MODEBUS protocols in the fieldbus control module is introduced,and the instance of the switch quantity I/O module design with sixteen channels is provided.
介绍一种现场总线式分级分组控制系统结构以及RS485接口和MODEBUS协议在现场总线控制模块中的应用方法,给出16路开关量I/O模块设计的具体实例。
2) USB-RS485 interface
USB-RS485接口
1.
Adopting USB-RS485 interface could make up the disadvantage of data-acquisition-systems which adopt single USB bus or the RS485 bus or RS232 bus.
采用USB-RS485接口弥补了单独采用USB总线或单独采用RS485、RS232总线的数据采集系统的缺点，实现了高速、低成本、远距离、易扩展、可即插即拔的数据传输。
2.
The system can perform network based monitoring and detecting with high accruacy data acquisition by means of these function modules for the SN75LBC184 transmitter/transceiver,USB-RS485 interface, chip controller, data acquisition software and communication protocol supporting, featuring easy, high speed, long distance, multi-point detecting,and hot inserting and pulling operation.
通过RS485总线收发器SN75LBCl84、USB-RS485接口、单片机最小系统、采集软件等主要功能模块的设计,在可靠的通信协议的支持下,实现了测试系统的网络化和数据的高精度采集;协同良好的人机界面实现了系统易操作、高速、远距离、多测点、可即插拔的数据采集。
3) RS485 standrard interface
RS485标准接口
4) RS485 interface standard
RS485接口标准
5) 485 Interface Bus
RS485接口总线
6) RS-232/RS-485 converter
RS232/RS485接口转换器
补充资料：(RS)-alpha-氰基-4-氟-3-苯氧基苄基 (1RS,3RS
分子式：C22H18Cl2FNO3
分子量：434.29
CAS号：68359-37-5
性质：熔点60°C。
分子量：434.29
CAS号：68359-37-5
性质：熔点60°C。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条