Bürkert 8791 Montagehandleiding - Pagina 3

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6.1 conformity

Positioner Type 8791, 8792 and 8793 conforms with the EC

Directives according to the EC Declaration of Conformity.

6.2 standards

The applied standards, which verify conformity with the EC

Directives, can be found on the EC-Type Examination Cer-

tificate and / or the EC Declaration of Conformity.

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Display element

with switching flags

for external

position feedback

Standard

display element

Fig. 1:

Replacing display element

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Risk of injury from applied pressure.

Applied pressure may cause the spindle to move suddenly

and injure fingers during installation.

▶ Depressurize the device before installation.

The external position feedback is installed in two steps.

Step 1: Replace the standard display element with

Procedure:

→

Step 2: Connect external position indicator

Fastening

Procedure:

screws for

→

housing cover

→

note!

Display element may be damaged if the housing cover

is closed carelessly.

When the external position feedback is installed, ensure

that the housing cover is not shifted or damaged when

closing the display element.

▶ When closing the housing cover, lift it slightly to prevent

→

Installation is now complete.

Next connect the external position feedback to the power

supply, as described in the following chapter.

assembly

Caution!

the display element for the external position

feedback

Loosen the 4 screws of the housing cover and open

the cover.

Remove the standard display element from the spindle

(see "Fig. 1").

Push the display element with switching flags for the

external position feedback all the way onto the spindle

(see "Fig. 1").

Gently pull the cover of the standard position indicator

out of the housing cover (see "Fig. 2").

Close housing cover

it from touching the display element.

Place the external position indicator in the round recess

of the housing cover and press down until it engages

(see "Fig. 2") .

Type 8791, 8792, 8793

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