ABB RELION REX640, Installation Manual

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e) Before releasing the trigger, remove the connector from the cleave tool and
grasp the top of the scrap fiber while releasing the trigger. Gently remove
the scrap fiber while keeping it away from the diamond blade.
f) Dispose of scrap fiber safely in a hard-sided container.
6. Repeat these procedure steps 2-5 to the other end of the arc sensor fiber and
then the arc loop sensor is ready.
Figure 60: Finished termination of arc loop sensor
a) Cover ready connectors in both ends with dust caps.
4.3.7 Mounting RJ-45 coupler for an HMI service port
1. Make a cutout for the RJ-45 coupler according to the dimensional drawing.
A Ø 22.5 mm (0.8858 in)
B Ø 45 mm (1.7717 in)
C 11.9 mm (0.4685 in)
D R 1.85 mm (0.0728 in)
1 Free space behind the panel
Figure 61: RJ–45 connector panel cutout
2. Install the RJ-45 coupler with a cable to the panel cutout and connect the cable
to the HMI service port X1.2.
4.3.8 Arranging ventilation
• Reserve sufficient space round the protection relay to ensure adequate
ventilation.
Mounting 1MRS759115 E
66 REX640
Installation Manual