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Question
Which Controller model is best for simple liquid-level detection without pump control?
Answer
61F-GP-N Floatless Level Controller is suitable.
Prepare the same number of 61F-GP-N Controllers as the number of liquid-level detection points.
Connections:
Note:The power supply phases (terminals 3 to 9) can be matched to use the same ground for the common Electrode (the longest Electrode, terminal 4).
Principles of Operation:
Terminals 6 and 7, and terminals 10 and 11 on the lower -limit 61F-GP-N are shorted when the water level reaches E3 (indicator ON).
Terminals 6 and 7, and terminals 10 and 11 on the intermediate 61F-GP-N are shorted when the water level reaches E2 (indicator ON).
Terminals 6 and 7, and terminals 10 and 11 on the upper-limit 61F-GP-N are shorted when the water level reaches E1 (indicator ON).
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Other Level Switches FAQ
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Why do the specifications for the High-sensitivity 61F Floatless Level Controller say, "possible to use with 15 kOHM or less, however, this may cause reset failure"?
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Can two 61F Floatless Level Controllers and two Electrode Holders be used in the same tank?
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When voltage is applied to 61F Floatless Level Controller, it operates regardless of the actual liquid level. What is the cause of the problem and how can it be corrected?
FAQ
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