Huawei PDU8000 User Manual page 66

PDU8000 Modular Precision PDC V2.0
User Manual
Figure 5-36 Connecting the monitoring cable
(1) Monitoring cable outlet
Step 8 (Optional) Connect the fire linkage cables.
The customer can select a cable connection method based on the actual
requirement:
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Issue 04 (2021-04-13)
Scenario 1: single-input or dual-input PDC; one pair of fire extinguishing input
cables control all loads to power off.
– Single-input PDC: Connect the positive and negative terminals of the fire
control cable to the 24VDC(+) and 24VDC(-) wiring terminals at the rear
right of the cabinet respectively.
– Dual-input PDC: Connect the positive and negative terminals of the fire
control cable to the 24VDC(+) and 24VDC(-) wiring terminals at the rear
left or rear right of the cabinet respectively.
Scenario 2: dual-input PDC; either of the two pairs of fire extinguishing input
cables can control all loads to power off.
– Separate the two routes of fire control cables and connect them to the
fire extinguishing signal wiring terminals on both sides at the cabinet
rear. Connect the positive and negative terminals of each pair of control
cable to the 24VDC(+) and 24VDC(-) wiring terminals at the rear left and
rear right of the cabinet respectively.
NO TE
1. 24 V DC cables routed into the PDC should be shielded cables.
2. Ensure that the polarities of 24 V DC cables routed into the PDC are correct.
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5 Installation Guide
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