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7 START UP
Before start up it is recommended to verify the following points:
• the power supply is in agreement with the value indicated in the tag fixed on AW400 side
• power supply wiring is in agreement with the indications of Sect. 3.4 and subsections
• all electrical connections to AW400 are correct
• the transmitter location fulfils requirements indicated in Sect. 3.3 of the present I.B.
• the sensor installation allows easy lifting for cleaning, calibration and maintenance
• sensor has been located as per the pertinent I.B. instructions
• sensor has been prepared according to pertinent I.B. and is now working in the process
• sensor cable is not run with other cables
• 0/4–20 mA wiring is not run with other cables
• digital contacts wiring is correct
7.1 Preliminary operations
7.1.1 Getting started
Power the transmitter up and perform the following steps:
1. Turn on power supply;
2. Enter Configuration menu and set the desired language for the display messages;
3. If the displayed measured value is not in agreement with the connected sensor(s) enter the Channel
Definition menu, and set, for each installed channel, the correct type of measure. Refer to Sect. 4.3;
WARNING !
Maintenance staff must be authorised by Customer and must know in details the
content of the present Instructions Manual.
CAUTION!
Disconnect Power Supply before opening the transmitter covers.
CAUTION!
The transmitter must be closed before being powered up.
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