SEW MOVIFIT FDC, Operating Instructions Manual, Page: 87 / 140

Operating Instructions – MOVIFIT® FDC
87
5
Wiring check
Electrical Installation
5.13 Wiring check
Before connecting power to the system for the first time, you must perform a wiring
check to prevent damage to persons, systems and equipment caused by incorrect
wiring:
• Remove all electronic units (EBOX) from the connection units (ABOX).
• Check the insulation of the wiring in accordance with applicable national standards.
• Check the grounding.
• Check the insulation between the supply system cable and the DC 24 V cable.
• Check the insulation between supply system cable and communication cables.
• Check the polarity of the DC 24 V cable.
• Check the polarity of the communication cables.
• Check the mains phase sequence.
• Ensure equipotential bonding between the MOVIFIT
®
units.
5.13.1 After the wiring check
• Install and fasten all electronics units (EBOX).
• Seal all cable openings and plug connections that are not in use.