INTERLOCK117联锁逻辑在DCS上的设计

The design of INTERLOCK117 interlock Logic on DCS

INTERLOCK117是PTA装置中TA干燥输送系统的设备保护联锁逻辑,介绍了INTERLOCK117联锁逻辑在DCS上的设计要求、设计方案、逻辑功能的实现和改进。该方案运行效果良好,保证了系统设备的安全平稳运行。

INTERLOCK117 is an interlock logic which protects TA drying and conveying on system devices in PTA plant. The design requirements, design plan, logic function implement and improvement of INTERLOCK117 on DCS were introduced. The interlock logic has been running steadily for a long time, the safety and stabilization running of the system devices have been ensured.