3BHS212794 E01 REV M ACS6000 USER MANUAL 133/278
06 ELECTRICAL INSTALLATION
6.4.2 Optical fiber cables for the optional Arc Guard System™
This section applies to drives that are delivered with the optional Arc
Guard System™. The arc monitor and the HMI panel are located in the WCU
roof extension box (REB).
Each unit with power cable entries and terminals is monitored for arc
faults by the Arc Guard System™ with optical detectors:
• 2 detectors in COU/TEU
• 2 detectors in ARU with bottom cable entry (option)
• 1 detector in BCU
Figure 6-6 Arc Guard System™ in an optional roof extension box (REB)
The Arc Guard System™ consists of the following:
• Arc Guard unit TVOC-2 with HMI panel
• Optical fiber detectors
The detectors are pre-installed in the relevant cabinets with the
corresponding optical fibers coiled up beside the
detectors (Fig. 6-7).
(1) Arc Guard HMI panel
(2) Arc monitor device
(3) Reeling device for optical fiber
detector cables
1
2
3
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