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Issues regarding instrument symbols, tag numbers, and annotations in process diagrams

2016-01-13View Original

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Although the symbols, tag numbers, and annotations related to automatic control in PID diagrams are specified in HG20505-2014, there are no ready-made methods for dealing with certain details and special cases outlined in this standard. Please share the various drawing methods you have encountered in PID diagrams; let’s discuss them together! !

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