Wiring; Sensor/Transmitter Connecting Cable - Endress+Hauser Proline Prosonic Flow 93 Brief Operating Instructions

Wiring

5 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!
Risk of damaging the electronic components!
• Connect the power supply (takes place at a later stage  ä 33)
• 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!
Risk of damaging the electronic components!
• Observe the cable specification of the fieldbus cable  Operating Instructions on the
CD-ROM.
• Keep the stripped and twisted lengths of cable shield as short as possible.
• Screen and ground the signal lines  Operating Instructions on the CD-ROM.
• 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,
technical information, etc. of the related Ex documentation must be observed
 Ex documentation on the CD-ROM.
5.1

Sensor/transmitter connecting cable

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Warning!
• Risk of electric shock. Switch off the power supply before opening the device. Do not install
or wire the device while it is connected to the power supply. Failure to comply with this
precaution can result in irreparable damage to the electronics.
• Risk of electric shock. Connect the protective ground to the terminal on the housing before
the power supply is applied.
!
Note!
To ensure correct measuring results, route the cable well clear of electrical machines and
switching elements.
30
Proline Prosonic Flow 93
Endress+Hauser