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modbus协议读取S7-200PLC
- 如何利用MODBUS协议读取S7-200PLC的开关量和模拟量
s7-200
- VC++与西门子s7-200PLC的串口通讯的实例-VC and s7-200 serial communication
VCS7-200PLC
- 利用Visual C++实现PC与西门子S7-200 PLC串口通信-Using Visual C++ implementation PC and Siemens S7-200 PLC Serial Communication
modbus-master
- 西门子S7-200PLC自由口协议Modbus主站库文件-Siemens S7-200PLC agreement free port Modbus master library file
S7-1200_winsock_new_1PLC
- vb与西门子plc的modbus tcp通讯程序-vb and Siemens plc, modbus tcp communication program
PPI-vb
- 西门子ppi与VB的程序，西门子200PLC上位机通信 经典源码-Siemens ppi procedures with VB, Siemens Communications 200PLC classic PC source
CBuilderS7-200PLC
- 利用C++ Builder实现PC与西门子S7-200 PLC串口通信-Implementation using C++ Builder PC and Siemens S7-200 PLC Serial Communication
VC_PC-S7-200PLC
- 该VC++源程序的功能为实现上位机PC与下位机西门子S7-200型PLC的串口通讯（内附下位机S7-200型PLC程序）。-The function of VC++ source code for the host computer PC and the next crew PLC Siemens S7-200 type of serial communication (with lower machine-type PLC S7-200 program).
200PLC
- w95_s7.dll是西门子300与VB通迅的一个DLL文件有了它就可以实现无OPC通讯方式 -w95_s7.dll Siemens 300 communication with VB with a DLL file it can be achieved without OPC communication
6.4.5.1--PC-VB-S7-200PLC
- 串口通信VB-PLC的通信源代码，可以置位复位PLC的输入与输出，很巧妙的。-Serial communication
VCPPS7-200
- 主要描述了西门子S7-200PLC与上位机的软件，可以控制PLC继电器输出的吸合-Including Source code about SIMENS PLC s7-200 ,this APP can control the output relay of PLC
PPI
- S7-200plc PC RS485 vb6.0 ppi
chengzhong
- 利用S7-200PLC的port0读取RS485接口仪表的数据(Use S7-200PLC port0 to read data from RS485 interface meter)