Endress+Hauser HART Proline Promass 83, Operating Instructions Manual

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Troubleshooting Proline Promass 83
100 Hauser
Wall-mount housing
#
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 purposely 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.
"
Caution!
Use only original Hauser parts.
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48, installation and removal:
1. Remove the screws and open the hinged cover (1) of the housing.
2. Loosen the screws securing the electronics module (2). Then push up electronics
module and pull it as far as possible out of the wall-mount housing.
3. Disconnect the following cable plugs from amplifier board (7):
– Sensor signal cable plug (7.1) including S-DAT (7.3)
– Unplug excitation current cable (7.2). Gently disconnect the plug, i.e. without moving
it back and forward.
– Ribbon cable plug (3) of the display module.
4. Remove the cover (4) from the electronics compartment by loosening the screws.
5. Remove the boards (6, 7, 8, 9):
Insert a thin pin into the hole (5) provided for the purpose and pull the board clear of
its holder.
6. Remove submodules (8.1):
No tools are required for removing the submodules (inputs/outputs) from the I/O
board. Installation is also a no-tools operation.
"
Caution!
Only certain combinations of submodules on the I/O board are permissible.
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28
The individual slots are marked and correspond to certain terminals in the connection
compartment of the transmitter:
Slot "INPUT / OUTPUT 2" = Terminals 24 / 25
Slot "INPUT / OUTPUT 3" = Terminals 22 / 23
Slot "INPUT / OUTPUT 4" = Terminals 20 / 21
7. Installation is the reverse of the removal procedure.