What does the control in this diagram mean?
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This post was last edited by yiyuguchen on 2019-3-25 at 14:02 to clarify the meanings of TIC, TY, and HT
T: Temperature; I: Recording; C: Control. The meaning of this station code is a temperature control circuit with recording requirements. TY: Electrical valve positioner
First, distinguish between the first letter and the second letter: the first one represents the object being measured, while the second one represents its function.
Is this a temperature-controlled electric heating strip?
The first letter, H, stands for manual. I’m not quite sure how to express the combination of letters HT; is there anyone who is familiar with this topic who can explain it? lol
This should be a simple circuit for controlling the temperature with a heater. H should represent the heater