FusionModule2000 Smart Modular Data Center
Product Description
5 Power Supply and Distribution System
Copyright © Huawei Technologies Co., Ltd.
Supported protocol: Modbus-RTU.
Signal cables must be double-insulated twisted cables. If the cable length is 25–50 m, the
cross-sectional area must be 0.5–1.5 mm
2
.
RS485 cables and FE cables must be shielded cables.
Figure 5-44 and Figure 5-45 are recommended wiring methods for DO ports.
Figure 5-44 Wiring method 1
Figure 5-45 Wiring method 2
Figure 5-46 and Table 5-25 describe the COM1 pin definitions.
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