I would like to ask everyone about the symbols used in control charts

2019-02-21View Original

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A few symbols are understood as follows: LIRAS LI: liquid level; R: ? A: Call the police? S: ?

Reply #22019-02-21

L: Liquid level, I: Indication, R: Recording, A: Alarm, S: Switch

Reply #32019-02-21

This diagram does not meet the requirements specified in HG/T 20505-2014.

Reply #42019-02-21

As a supplement for the second floor, S should refer to interlocking

Reply #52019-02-21

Thank you all for your replies; the symbols provided by different design institutes vary quite a bit

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I would like to ask everyone about the symbols used in control charts

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