Endress+Hauser Micropilot FMR50, Operating Instructions Manual

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Micropilot FMR51, FMR52 HART Electrical connection
Hauser 45
1.
2.
3.
10 (0.4)
10 (0.4)
mm (in)
4.
5.
5.
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.
4. Strip the cable.
5. Strip the cable ends 10 mm (0.4 in). For stranded cables, also attach wire end
ferrules.
6. Firmly tighten the cable glands.
7.
2
1
4
3
A0013837
Connect the cable in accordance with the terminal assignment →  35.
8. When using screened cable: Connect the cable screen to the ground terminal.
9. Screw the cover onto the connection compartment.
10. For instruments with safety pin for the lid: Adjust the safety pin so that its edge is
over the edge of the display lid. Tighten the safety pin.
7.2.1 Pluggable spring-force terminals
Instruments without integrated overvoltage protection have pluggable spring-force
terminals. Rigid conductors or flexible conductors with cable sleeve can directly be inserted
and are contacted automatically.
To remove cables from the terminal: Press on the groove between the terminals using a
flat-tip screwdriver ≤ 3 mm (0.12 inch) while pulling the cables out of the terminals.