9 Trouble-shooting
Proline Promass 83 FOUNDATION Fieldbus
84
Hauser
9.5
Removing and installing electronics boards
Field housing: removing and installing electronics boards (Fig. 35)
#
Warning!
• Risk of electric shock. Exposed components carry dangerous voltages. Make sure that the power
supply is switched off before you remove the cover of the electronics compartment.
• Risk of damaging electronic components (ESD protection). Static electricity can damage electronic
components or impair their operability. Use a workplace with a grounded working surface pur-
posely built for electrostatically sensitive devices!
• If you cannot guarantee that the dielectric strength of the device is maintained in the following
steps, then an appropriate inspection must be carried out in accordance with the manufacturer’s
specifications.
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 (4, 6):
Insert a thin pin into the hole (3) provided for the purpose and pull the board clear of its holder.
5.
Remove amplifier board (5):
– Disconnect the plug of the sensor signal cable (5.1) including S-DAT (5.3) from the board.
– Gently disconnect the plug of the excitation current cable (5.2) from the board, i.e. without
moving it back and forward.
– Insert a thin pin into the hole (3) provided for the purpose and pull the board clear of its hol-
der.
6.
Installation is the reverse of the removal procedure.
"
Caution!
Use only original Hauser parts.
Summary of Contents for Proline Promass 83
Page 24: ...3 Installation Proline Promass 83 FOUNDATION Fieldbus 24 Endress Hauser ...
Page 34: ...4 Wiring Proline Promass 83 FOUNDATION Fieldbus 34 Endress Hauser ...
Page 64: ...6 Commissioning Proline Promass 83 FOUNDATION Fieldbus 64 Endress Hauser ...
Page 66: ...7 Maintenance Proline Promass 83 FOUNDATION Fieldbus 66 Endress Hauser ...
Page 90: ...9 Trouble shooting Proline Promass 83 FOUNDATION Fieldbus 90 Endress Hauser ...
Page 116: ...Index Proline Promass 83 FOUNDATION Fieldbus 116 Endress Hauser ...
Page 118: ...www endress com worldwide BA065D 06 en 12 04 50098623 FM SGML 6 0 ...