Tecfluid LU Series - Manual (Page 7)

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The power supply is provided by a diode bridge that allows connecting it regardless of the
polarity .
3.1.2 Analog output connection
Terminal
+ mA (positive).
-
mA (negative).
3.1 Power supply and analog output connection (models LU9X)
Models LU9X (LU91, LU93, LU91H, LU93H) are instruments that use 2 wires for the
power supply and 2 wires for the analog output. Possible examples of connection can be
seen in page 9.
3.1.1 Power supply connection (models LU9X)
Terminal
_ 0 V (-)
_ 24 V (+)