Electrical connection Levelflex FMP51, FMP52, FMP54 PROFIBUS PA
30 Endress+Hauser
External overvoltage protection
HAW562 or HAW569 from Endress+Hauser are suited as external overvoltage protection.
For detailed information please refer to the following documents:
• HAW562: TI01012K
• HAW569: TI01013K
7.2 Connecting the device
L
WARNING
Explosion hazard!
‣
Comply with the relevant national standards.
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Observe the specifications in the Safety Instructions (XA).
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Only use the specified cable glands.
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Check whether the supply voltage matches the specifications on the nameplate.
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Before connecting the device: Switch the supply voltage off.
‣
Before switching on the supply voltage: Connect the potential bonding line to the exterior
ground terminal.
Required tools and accessories:
• For instruments with safety pin for the lid: AF 3 Allen key
• Wire stripping pliers
• When using stranded wires: Wire end sleeves.
A0012619
1. Loosen the screw of the securing clamp of the connection compartment cover and turn
the clamp 90° counterclockwise.
2. Unscrew the connection compartment cover.
3. Push the cable through the cable entry. To ensure tight sealing, do not remove the
sealing ring from the cable entry.
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