Analog Output Wiring - Tecfluid CU Series Instruction Manual

Ultrasonic flowmeter
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The relay outputs are SPDT relays with potential free contacts (see characteristics in page
44).
The state of the relay contacts corresponds to the relay at
The relay contacts are not protected in any way, and therefore the protections must be
installed externally
characteristics of such contacts. In the case of having inductive loads, and to extend the
working life of the contacts of the relays, it is recommended to use overvoltage protection
(VDR for AC and diodes for DC loads). In all cases a fuse or some type of short circuit
protection against short circuits
intended load.
2.1.3

Analog output wiring

as required in the
application, taking into account the limitations of the
should always be provided
Terminal
+
-
rest.
according to the needs of the
mA (positive)
mA (negative)
9
Passive mode: pins 2&3
Active mode: pins 1&2

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Cu100

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