Mecon GmbH
Phone +49(0)241 41369 – 0
Fax +49(0)241 41369 – 40
Zieglerstraße 10 – 16
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D-52078 Aachen
Mecon 02/2010
Transmitter mag-flux M1
Basic version
mag-flux M1
An analog 0/4...20 mA current output (active), a pulse or fre-
quency output and a status output are standard features of the
device.
A green LED is an operational readiness indicator, error are
indicated by a red light and reverse flow by a yellow light.
Fig 3 Basic version of the transmitter
mag-flux M1
HART
®
-interface (Option)
An analog 0/4
−
20 mA output is a standard feature and digital
data transmission via HART
®
protocol as an optional feature of
the device.
A retrofit by customer is not possible.
LCD display (Option)
Instead of the three light indicators, a LCD display with backlight
is an optional feature. The display shows measured values as
well as diagnostics. With 6 keypads customers are able to
configure comfortable and simple the transmitter without any
other tool.
Fig 4
Transmitter with integrated LCD display
Empty pipe detection
Transmitters, which are equipped with a LCD display, have the
ability for a empty pipe detection. The operating reliability de-
pends on the conductivity of the liquid medium and the clean-
liness of the electrodes. As higher the conductivity is, as more
reliable operates the empty pipe detection.
Insulation coatings on the electrodes surface worse the empty
pipe detection.
Data memory chip (DSM)
The replaceable data memory chip (DSM) is an EEPROM device in
DIL-8 housing, located in a socket on the power supply board. It
includes all characteristic data of the sensor e.g. sensor constant,
version or serial number. Consequently, the memory module is
linked to the sensor and in case of a transmitter replacement it
has to remain by the sensor!
After replacing the transmitter or its electronics, the DSM will be
installed in the new transmitter. After the measuring system has
been started, the measuring point will continue working with the
characteristic values stored in the DSM. Thus, the DSM offers
maximum safety and high comfort when exchanging device
components.
Fig 5
Electronic, Power supply board
mag-flux M1
At any exchange observe the polarity of the memory chip. Pin 1
is signed by a dot or a notch.
Safety of operation
A comprehensive self-monitoring system ensures maximum
safety of operation.
•
Potential errors can be reported immediately via the
configurable status output. The corresponding error messages
will also be displayed on the transmitter display. A failure of
the auxiliary power can also be detected via the status output.
•
When the auxiliary power fails, all data of the measuring
system will remain in the DSM (without back-up battery).
•
All outputs are electrically isolated from the auxiliary power,
the sensor circuit and from each other.
Slot DSM
