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Description: 可以读些S7-300PLC中的变量数据,把计算机
当作HMI人机界面,比WINCC开发的程序要占用的资源少-驴 脡脪脭 露 脕脨 漏 S7-300PLC脰脨渭脛 卤 盲脕 驴 脢媒 戮 脻 拢 卢 掳 脩 录 脝脣茫 禄煤渭 卤 脳 梅 HMI脠脣禄 煤 陆 莽脙忙 拢 卢 卤 脠WINCC 驴 陋 垄 渭脛 鲁 脤脨貌脪 陋 脮 录 脫脙渭脛 脳 脢脭
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Size: 124928 |
Author: liujun |
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Description: VB与S7-200PLC的MODiBUS通信源代码1.3-VBa ndS7-200PLC MODiBUS communication source code V1.3
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Size: 18432 |
Author: johnsonxjq |
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Description: 本软件是用VB制作的,用于电脑与西门子S7-200PLC(PPI协议)进行通讯,如果您想用VB开发S7-200PLC(PPI协议)上位机控制界面,此软件是您的好帮手!
1、可以写入、读出寄存器的数值(字节、字、双字);
2、可以进行元件(V、M、S、Q、I)的置、复位操作;
3、可以读取元件(V、M、S、Q、I)的ON/OFF状态。
4、可以控制PLC的运行、停止。-A simple application of Visual C++
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Size: 129024 |
Author: 尚艳伟 |
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Description: 1、通过DLL与PLC通信,基于ppi协议。
2、DLL文件名:S7_200_PPI.dll
3、串口,连接线为西门子PC-PPI电缆或自己焊接
4、S7-200 PLC 默认参数即可
5、默认一次最多读取100个VB字节或50个VW字,通过修改相关参数,可以读取更多
6、为了简化程序,仅提供V区操作,实际应用中足够了
7、操作VW字时,地址应为偶数-1, by the DLL to communicate with the PLC, based on the ppi agreements. DLL file name: S7_200_PPI.dll 3, serial cable for Siemens PC-PPI cable or welding 4, S7-200 PLC default parameter to 5, the default up to read 100 VB bytes or 50 VW word, by modifying the relevant parameters, you can read more 6 V region of operation, in order to simplify procedures, only in the practical application of sufficient 7 operating VW words, the address should be an even number
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Size: 242688 |
Author: 石晓生 |
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Description: 1、通过DLL与PLC通信,基于ppi协议。
2、DLL文件名:S7_200_PPI.dll
3、串口,连接线为西门子PC-PPI电缆或自己焊接
4、S7-200 PLC 默认参数即可
5、默认一次最多读取100个VB字节或50个VW字,通过DLL函数修改,可以读取更多
6、为了简化程序,仅提供V区操作,实际应用中足够了
7、操作VW字时,地址应为偶数-1, through the DLL communicates with PLC, based ppi agreement. 2, DLL file name: S7_200_PPI.dll 3, serial cable for the Siemens PC-PPI cable or own welding 4, S7-200 PLC default parameters to 5, the default read a maximum of 100 bytes or 50 VW VB words, by modifying the DLL function, you can read more 6, in order to simplify procedures, only V zone operations, practical application is sufficient to 7, the operation VW words, the address should be an even
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Size: 412672 |
Author: fanhp |
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