Endress+Hauser Hart Micropilot FMR60B, Operating Instructions Manual

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Micropilot FMR60B HART Electrical connection
Hauser 25
6.2.4 Overvoltage protection
The overvoltage protection can optionally be ordered as a "Mounted accessory" via the
product structure
Devices without optional overvoltage protection
Equipment from Hauser fulfills the requirements of the product standard IEC /
DIN EN 61326-1 (Table 2 Industrial Environment).
Depending on the type of port (DC power supply, input/output port) different testing levels
according to IEC / DIN EN 61326-1 against transient overvoltages (Surge) are applied
(IEC / DIN EN 61000-4-5 Surge):
Test level on DC power ports and input/output ports is 1 000 V line to earth
Devices with optional overvoltage protection
• Spark-over voltage: min. 400 V
DC
• Tested according to IEC / DIN EN 60079-14 sub chapter 12.3 (IEC / DIN EN 60060-1
chapter 7)
• Nominal discharge current: 10 kA
Overvoltage category
Overvoltage category II
6.2.5 Wiring
L
WARNING
Supply voltage might be connected!
Risk of electric shock and/or explosion!
‣
If the device is used in hazardous areas, make sure to comply with national standards
and the specifications in the Safety Instructions (XAs). The specified cable gland must
be used.
‣
The supply voltage must match the specifications on the nameplate.
‣
Switch off the supply voltage before connecting the device.
‣
If necessary, the potential matching line can be connected to the outer ground terminal
of the device before the power supply lines are connected.
‣
A suitable circuit breaker should be provided for the device in accordance with IEC/EN
61010.
‣
The cables must be adequately insulated, with due consideration given to the supply
voltage and the overvoltage category.
‣
The connecting cables must offer adequate temperature stability, with due
consideration given to the ambient temperature.
‣
Only operate the measuring device with the covers closed.
Connect the device in the following order:
1. Release the cover lock (if provided).
2. Unscrew the cover.
3. Guide the cables into the cable glands or cable entries.
4. Connect the cables.
5. Tighten the cable glands or cable entries so that they are leak-tight. Counter-tighten
the housing entry.
6. Screw the cover securely back onto the connection compartment.
7. If provided: tighten the screw of the cover lock using the Allen key
0.7 Nm (0.52 lbf ft) ±0.2 Nm (0.15 lbf ft).