Endress+Hauser Prosonic M FMU41, Краткое руководство по эксплуатации

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Prosonic M FMU41 HART Electrical connection
Hauser 13
Options and meaning
• Warning
The measuring device displays an error message but keeps measuring.
• Alarm
The measuring device displays an error message.
The output signal in the Output on alarm (011) function displays the defined value.
As soon as the level drops below the safety distance, the device resumes measuring.
• Self holding
The measuring device responds in the same way as for an alarm.
However, the alarm condition is maintained even if the level drops below the safety
distance again.
The device only starts measuring again when the user cancels the alarm using the
Acknowledge alarm (017) function.
6 Electrical connection
6.1 Connecting requirements
L
WARNING
Risk of explosion due to faulty connection.
‣
Observe applicable national standards.
‣
Comply with the specifications in the Safety Instructions (XA).
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Check to ensure that the supply voltage matches the information on the nameplate.
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The specified cable gland must be used.
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Switch off the supply voltage before connecting.
‣
Connect the potential equalization line to the outer ground terminal before applying the
supply voltage.
‣
When connecting to the public mains, install a mains switch for the device such that it is
within easy reach of the device. Mark the switch as a disconnector for the device
(IEC/EN61010).