Commissioning
Instruction manual 862 MIT Page 7
2 Commissioning
For information how to program items, refer to the instruction manual of the used level gauge or to the instruction
manual of the 847 Portable Enraf Terminal.
For the connection of the 862 MIT to the instrument, refer to the installation guide of the 862 MIT and the
installation guide of the used level gauge.
The items which should be programmed / checked, as described in the next sections, must be addressed to the
instrument where the 862 MIT is connected.
2.1 Checks before starting commissioning
Warning
Do not open any of the instruments covers while power is still connected.
• Check the connections of the 864 MTT (refer to installation guide 862 MIT)
• Check the connection to the instrument (refer to installation guide 862 MIT). Check that the screen of the
cable is grounded inside the cable gland.
• Check the ground connection of the 862 MIT / 864 MTT
(refer to installation guides 862 MIT and 864 MTT)
• Read the sensitive length from the 864 MTT label (or the engraved value on the extension tube).
• Read the overall length from the 864 MTT label and verify the nozzle height with respect to the zero point
(datum plate) of the tank.
2.2 Selecting temperature dimension
When the temperature dimension has to be changed from default, all temperature data items will be presented to
the new dimension (the format remains the same).
Item Name Description
W2= Protection level 2 Enter protection level 2.
TD= Temperature dimension Selects the temperature dimension (format remains unchanged).
This item contains one character, which can be:
C : degrees Celsius
F : degrees Fahrenheit
Default set on: C (°C).
EX Exit Exit protection level
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