Levelflex FMP56, FMP57 FOUNDATION Fieldbus Electrical connection
Endress+Hauser 35
External overvoltage protection module
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 measuring device
L
WARNING
Risk of explosion!
‣
Observe applicable national standards.
‣
Comply with the specifications in the Safety Instructions (XA).
‣
Use specified cable glands only.
‣
Check to ensure that the power supply matches the information on the nameplate.
‣
Switch off the power supply before connecting the device.
‣
Connect the potential matching line to the outer ground terminal before applying the
power supply.
Required tools/accessories:
• For devices with a cover lock: Allen key AF3
• Wire stripper
• When using stranded cables: One ferrule for every wire to be connected.
7.2.1 Opening connection compartment cover
A0021490
1. Loosen the screw of the securing clamp of the connection compartment cover using an
Allen key (3 mm) and turn the clamp 90 ° clockwise.
2. Afterwards unscrew connection compartment cover and check lid gasket, replace if
necessary.
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