
Operation
Contents
measurement - Look up tables relating to volume of typical
tank shapes are built in to the MSP110 memory, e.g. cylinders,
horizontal and conical bottomed tanks. A 10-point graphical
tabulation is also provided for irregular shaped tanks where
the height to contents ratio is known.
Auto
test routine - Once set up to site, an auto test routine can
be initiated to simulate the liquid level rising from zero to
the transducer face and back. This enables site checking to relay
control, analogue output, indicated level and all external system
control and ancillary circuits.
Synchronisation - Synchronisation is standard, allowing
the transducer cables to be laid in common cable tray without
cross-talk problems.
Programme
lost echo action - In the event of a lost echo, the system
may be programmed to drive the current output to either 0,4,20
or 22mA, or to hold the last valid reading.
Multifunction
display - A built in display shows measured value and percentage
of full reading as a bar graph. Alternatively, the bar graph can
be changed to totaliser value, or changed to show another measured
or calculated variable, such as temperature. The display includes
programming indicators and relay status in the wall mount unit.
The multicard unit uses LED's to indicate relay status.