Siemens SITRANS P Manual do Utilizador descarregar pdf (Página 117)

UMSITRPDS3-1 On-Line Operation

November 2010

6-19

To set zero and full scale:

1. Clean the enclosure to prevent dirt from entering.

2. Unscrew the end cap covering the electrical terminals.

WARNING

Explosion can cause death or serious injury.

Only a certified ammeter may be used in intrinsically

safe circuits.

In a Division 1 area, where an explosion-proof rating is

required, remove power from the transmitter before

removing either enclosure cap.

3. Connect a DC ammeter to the test terminals in the field terminal assembly.

4. Apply a reference pressure.

5. Set the zero output using the arrow pushbuttons. The set value is saved when the pushbutton is

released.

6. Apply a reference pressure.

7. Press and hold the M pushbutton.

8. Set the output current by pressing either arrow pushbutton. The set value is saved when the

pushbutton is released.

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Siemens SITRANS P Manual do Utilizador Página 117