Endress+Hauser PROline prosonic flow 93 Ex-Dokumentation Zu Den Betriebsanleitungen Seite 36

<
"
12
5. Remove amplifier board (4):
– Disconnect the plug of the sensor signal cable (4.2) from the board.
– Insert a thin pin into the hole (6) provided for the purpose and pull the board clear
of its holder.
6. Installation is the reverse of the removal procedure.
Caution:
Use only original Endress+Hauser parts. Only replace printed circuit boards with
identical ones.
7. If you cannot maintain the dielectric strength of the device during the work stages,
carry out a test according to the manufacturer's specifications.
3
4.2
4.1
1.2
1
1.1
Fig. 6: Field housing: removing and installing printed circuit boards
1 Local display
1.1 Latch
1.2 Ribbon cable (display module)
2 Screws of electronics compartment cover
3 Power unit board
4 Amplifier board
4.1 T-DAT (transmitter data memory)
4.2 Unplug sensor signal cable
5 I/O board (type PROFIBUS DP/PA)
6 Aperture for installing/removing boards
7 F-Chip (function chip for optional software)
PROline Prosonic Flow 93 PROFIBUS DP/PA
4
6
7
2
5
Endress+Hauser