116问答网 > 请教用VB和无锡信捷PLC通讯，modbus协议

请教用VB和无锡信捷PLC通讯，modbus协议

请教用VB和无锡信捷PLC通讯，modbus协议。
2025-03-16 14:46:29
推荐回答（3个）
回答1：

网上都有modbus通信源代码下载的啊，实在不行就用modbus opc server很简单的

回答2：

认真研究一下下面几个问题：1、串口通讯的基本理论2、VB的MSCOMM控件和API函数3、MODBUS协议！

回答3：

有做过用VB和无锡信捷PLC通讯的，出来发言啊。我也想学习呢。

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