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countCrc
- 计算CRC校验和,可以计算modbus规约/CDT规约/DISA规约/DF1规约/DNP规约/1801等规约的校验和.-and CRC calculation, modbus connection can be calculated Statute / CDT Statute / DISA Statute / DF1 Statute / DNP Statute / 18 01 of the Statute, such as checksum.
DF1
- DF1,一个工控网络总线协议,详细描述了一个网络底层的实现细节,尤其是数据链路层的实现。
DF1
- DF1协议在MVI模块上的通信编程的实现的源码-DF1 agreement MVI module in the Communication Programming on the realization of the source
ABDF1Ver200BETASource
- Protocol Allen Bradley (AB) PLC DF1. Implementation. Example included.-Protocol Allen Bradley (AB) PLC DF1. Implementation. Example included.
DF1ProtocolAndCommandSet.ZIP
- Allen-Bradley DF1 Protocol and Command Set, Reference Manual
vb
- vb与ab通过串口通讯AB系列的PLC一般都有专用的驱动程序用于实现PLC和计算机之间的通讯,如RSLINX就是专门用于做这项工作的,但使用RSLINX也具有一定的局限性,这里提供一个使用VB编程实现PLC和计算机之间的通讯程序,使用的协议是DF1,可以支持Micrologix、SLC500等系列的PLC-Vb with ab via a serial port communication ab series PLC usually have dedicated driver used to r