Endress+Hauser PROline prosonic flow 93 Ex-Dokumentation Zu Den Betriebsanleitungen Seite 35

PROline Prosonic Flow 93 PROFIBUS DP/PA
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Endress+Hauser
f
e
b
Fig. 5: Connecting the sensor connecting cable
5. Spread the rubber seal (e) along the side slit using a suitable tool (e.g. a large screw-
driver) so that both sensor cables are clamped within. Push the rubber seal up into
the cable gland bracket (f). Close the cover of the cable gland (b) so that it is tight.
6. Plug in the sensor cable connectors analogue to the arrangement in Fig. 5.
7. Transmitter: secure cover (a) on the connection compartment.
Removing and installing printed circuit boards
Field housing: removing and installing printed circuit boards (Fig. 6)
Caution:
Risk of damaging electronic components (ESD protection). Static electricity can dam-
age electronic components or impair their operability. Use a workplace with a grounded
working surface purposely built for electrostatically sensitive devices!
Warning:
• Danger of explosion! Open the device only when it is de-energized (and after a delay
of at least 10 minutes following shutdown of the power supply).
• Take care that no dust enters the transmitter.
1. Remove the cover of the electronics compartment.
2. Remove the local display (1) as follows:
– Press in the latches (1.1) at the side and remove the display module.
– Disconnect the ribbon cable (1.2) of the display module from the amplifier board.
3. Remove the screws and remove the cover (2) from the electronics compartment.
4. Remove power unit board and I/O board (3, 5):
Insert a thin pin into the hole (6) provided for the purpose and pull the board clear of
its holder.
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d
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c
C
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