Bürkert 8791 Manual de instruções de montagem - Página 4
Procurar online ou descarregar pdf Manual de instruções de montagem para Posicionadores de válvulas Bürkert 8791. Bürkert 8791 16 páginas. External position feedback option with inductive proximity
switch
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Cover
for standard
display element
Fig. 2:
Connecting external position indicator
english
12
Pin Configu-
External circuit / signal level
ration
1
Supply
+10 V ... +30 V
10 ... 30 V
2
Switching
+10 V ... +30 V
output (NO)
Proximity
switch 1
3
GND
GND
4
Switching
+10 V ... +30 V
output
(NO)
Proximity
switch 2
Tab. 1:
Electrical connection
english
14
8
External position
Proximity switch 1
indicator
Housing cover
Fig. 3:
9
9.1 setting the position indicator
1 10 ... 30 V
Procedure:
→
2 Open /
10 ... 30 V
3 GND
4 Open /
10 ... 30 V
Fig. 4:
Specifying home position:
→
→
→
elecTrical connecTion
Electrical connection
sTarT-up
Loosen the 4 fastening screws and lift the cover off the
position indicator.
Fastening screws
Cover
Opening position indicator
Move the pneumatic actuator to the home position.
Rotate the complete display element until the yellow
marking bar is pointing in the required direction.
Move the first switching flag until the LED for the home
position proximity switch starts to light up.
(The LED is lit when the proximity switch is actuated).
Type 8791, 8792, 8793
Proximity switch 2
2
1
3
4
english
13
english
15