【摘要】 主要从MODBUS通信协议的历史,协议簇包括的标准,以及最新发布的MODBUS/TCP安全协议规范进行介绍,旨在说明工业控制系统的安全防护,现场总线协议的安全防护也是其中重要的一个方面。更多还原

【Abstract】 This paper mainly introduces the history and the whole members of the MODBUS family a nd t he new MODBUS/TC P s e c u r it y p r ot o c ol specification published recently. The purpose is to explain the implementation of protection of the IACS, at the same time how to make the field bus secure is also very important.更多还原