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English (US)
15.7.6 Analog input
1)
The factory setting is voltage signal "U".
All analog inputs are galvanically separated from the supply
voltage (PELV) and other high-voltage terminals.
15.8 Sound pressure level
The sound pressure of the CU331SP is maximum 70 dB(A).
The sound pressure level of a motor controlled by a Variable
frequency drive may be higher than that of a corresponding motor
which is not controlled by a variable frequency drive.
16. Disposal
This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection service.
If this is not possible, contact the nearest Grundfos company or
service workshop.
Subject to alterations.
Terminal number 54
Current signal A54 = "I"
1)
Current range 0-20, 4-20 mA
Input resistance, R
i
Approx. 200 Ω
Maximum current 30 mA
Maximum fault, terminals 53, 54 0.5 % of full scale
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