Wiring - Endress+Hauser Proline Prosonic Flow 91W Brief Operating Instructions

Wiring

4 Wiring
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Warning!
Risk of electric shock. Components carry dangerous voltages.
• Never mount or wire the measuring device while it is connected to the power supply.
• Before connecting the power supply, check the safety equipment.
• Route the power supply and signal cables so they are securely seated.
• Seal the cable entries and covers tight.
"
Caution!
• Connect the power supply (takes place at a later stage ä 27)
Risk of damaging the electronic components!
• Connect the signal cable in accordance with the connection data in the Operating Instructions
or the Ex documentation on the CD-ROM.
In addition, for measuring devices with fieldbus communication:
"
Caution!
• Observe the cable specification of the fieldbus cable  Operating Instructions on the
Risk of damaging the electronic components!
CD-ROM.
• Screen and ground the signal lines  Operating Instructions on the CD-ROM.
• Keep the stripped and twisted lengths of cable shield as short as possible.
• When using in systems without potential equalization  Operating Instructions on the
CD-ROM.
In addition, for Ex-certified measuring devices:
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Warning!
When wiring Ex-certified measuring devices, all the safety instructions, wiring diagrams,
 Ex documentation on the CD-ROM.
technical information, etc. of the related Ex documentation must be observed
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Proline Prosonic Flow 91W
Endress+Hauser