Huawei UPS2000 - 3 Examples for the Host Communication Process

UPS2000-(6 kVA-20 kVA)
Modbus Protocol Development Guide
3 Examples for the Host Communication Process
Issue 02 (2016-03-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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3 Examples for the Host Communication
Process
According to the command types of the communication protocols, you can identify the
register addresses of every UPS semaphore. There is a need for the UPS serial number offset.
Before collecting and setting the UPS semaphores, query the condition of the southbound
connections between the RMS-MODBUS01A card and the UPS, and confirm the number
assigned to every UPS by the RMS-MODBUS01A card, ensuring normal query of
semaphores needed.
The following diagram shows a communication process for reference.