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VB与电功率计串口通讯例程与源代码-VB serial communication with the electric power meter
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遵循电力部DL/T645-1998协议，通过RS485总线,采集并存储，电表的数据通过无线(红外)进行数据通讯.51单片机程序．-Follow the Ministry of Electric Power DL/T645-1998 agreement, through the RS485 bus, collected and stored meter data via wireless (infrared) for data communication .51 monolithic
Mach
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应用串口通信而编写的三相有功无功功率计算的一款上位机软件，该软件用串口通信实时的采集三相电能表数据，之后进行相关运算。该范例可作为串口通信及应用的极好实例！推荐正在学习的看一下其应用思路！-Written to the serial communication three-phase active and reactive power calculation of a PC software, the software' s real-time acquisition phase ener
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电能表通讯程序，用VB实现的。用于电能表电量和电压电流数据的读取，采用DL/T645-1997协议，适合初学者参考。-Energy meter communication program, using VB. It is used for reading nergy meter s power and voltage and current data .The program uses DL/T645-1997 protocol, suitable for beginners.
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ModBus通讯协议分为RTU协议和ASCII协议，我公司的多种仪表都采用ModBus RTU通讯协议，如：CH2000智能电力监测仪、CH2000M电力参数采集模块、巡检表、数显表、光柱数显表等-ModBus RTU communication protocol into ASCII protocols and agreements, I have adopted a variety of instruments ModBus RTU communication protocol, such
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