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IP2046/IM
Nov 2006
4.2 Power up
On power up, the MSP400 will take a few seconds to initialise. The display will run through a set-up
routine, first illuminating all display characters then showing the software revision number. Once checks
are complete, the display will show the Primary Variable (PV) determined based upon the factory default
values in the memory.
On a new instrument aimed at a good target, this will be what the MSP400 calculates as a level reading
based upon the default value for the bottom reference.
The duty icon against the letter L on the top plate and the RL2 icon will be illuminated.
It is possible that the RL1 icon may be illuminated depending upon the level calculated by the MSP400
at this time.
The MSP400 is now ready for use, and the next step is to programme the unit with details of the
application.
The MSP400 may be programmed either in-situ or prior to installation. All programmed data is retained in
the MSP400 memory after power off.
4.3 Programming- Important notes to help you programme the MSP400
• Do not allow rain or water to enter the MSP400 whilst programming or damage to the circuit boards
will occur.
• Use the push buttons as instructed below to navigate through the programming menu and select or
enter application data.
It is recommended that use of the push buttons is firm but not overly so to prevent damage to the
circuit boards below, and that the user should not press buttons too fast to avoid incorrect data entry.
Simply holding down the green button ↓ will automatically scroll through any option list without the
need for repeated pressing of the button.
• Pressing the red button ↵ at any time will step the user back to the previous level in the menu.
Note, if the red button ↵ is pressed after a menu option selection has been made or new data has
been entered, this option selection or new data will automatically be saved.
• Whilst programming should be simple and intuitive, it may be that the user wishes to start again or
may wish to clear the memory of site entered data from a previous application. The MSP400 has a
“re-set default values” routine which allows the user to reload the MSP400 memory with the factory
default values as shown on the menu structure. Refer to section 4.7.10.