Tecfluid FLOMID-MX User Manual
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- A mains switch must be provided to disconnect the equipment. This switch must be marked
as the disconnecting device for the equipment and be within easy reach of the operator.
- The mains supply must have an earth line.
Before starting to install the equipment, check that the supply voltage available is the same as
marked on the label of the instrument.
2.1
Power supply connection
Terminal
AC Power supply
DC Power supply
8 Earth.
Earth
9
Neutral.
0 V (-)
10
Live.
+ 24 V (+)
The earth connection is most important due to the presence of a mains filter which requires this
connection.
2.2
Analog output connection
Terminal
15
mA
(positive).
16
mA
(negative).
The mA output is an active output, which means that the receiver instrument connected to it
should have a passive input. It is recommended that the receiver should have an input resistance of less
than 700 ohms to guarantee the full scale output.
2.3
Pulse output connection
Terminal
13
Emitter.
14
Collector.
The pulse output is a NPN opto-isolated bipolar transistor. The maximum load supported by this
transistor is 50 mA and the maximum voltage is 30 V.
In the event of employing inductive loads, such as relays, the use of a free wheeling diode is
necessary and should be connected as shown below.