SCYC55830 58063282A ABB
SCYC55830 58063282A ABB
SCYC55830 58063282A ABB
综述了在S7-300 和S7-400 的CPU、诊断数据、系统状态列表 (SZL) 和事件的操作系统中所包含的组织块 (OB)、系统功能 (SFC)、系统和标准功能块 (SFB) 及IEC 功能。
包含了下列主题：
• 说明所有组织块的功能。
• 描述公用参数RET_VAL、REQ 和BUSY。
• 描述SFC、SFB 和IEC-FC。
• 包含对诊断数据结构的描述、对本手册中描述的SZL-ID、可能的事件、SFC 列表、SFB 和FC 的概述，以及对SDB 的概述。
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This makes engineering design and maintenance faster, more economical and more efficient.
Industrial” is a world-leading all-round integrated open control system launched by ABB Group Automation Headquarters.
It integrates the advantages of traditional DCS and PLC in one body and supports a variety of international field bus standards. It has both the complex analog loop regulation capability of DCS
Power-friendly human-machine interface (HMI) and convenient engineering software, and at the same time have high-speed logic and sequence control equivalent to high-end PLC indicators.
control performance. The system can be connected to both conventional I/0 and various field bus devices such as Profibus, FF, CAN, and Modbus. system tool
It has a high degree of flexibility and excellent scalability, whether it is the control of small
