Modbus Card; Dry Contact Card - Huawei UPS2000-A-RTL Series User Manual

UPS2000-A-(6 kVA-10 kVA)-RTL
User Manual
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For details about the SNMP card, see the RMS-SNMP01A V100R002 User Manual.

6.3 Modbus Card

The RMS-MODBUS01A provides an RS485 networking solution to remotely manage the
UPS.
The card implements the following functions by setting the DIP switches:
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For details about the Modbus card, see the RMS-Modbus01A User Manual.

6.4 Dry Contact Card

The RMS-RELAY01A is installed in an optional card slot and supports hot swap.
The dry contact card provides six alarm dry contact outputs (normal mode, battery mode,
bypass mode, low battery voltage, bypass backfeed, and UPS faults) and two dry contract
control inputs (one is the shutdown signal input, and the other is reserved).
For details about the dry contact card, see the RMS-RELAY01A User Manual.
Issue 07 (2020-01-10)
Works with NetShutdown, a computer and server security shutdown program developed
by Huawei, to automatically shut down the computers and servers where NetShutdown is
installed to protect customer data and reduce loss.
Selects the Modbus protocol by using a DIP switch over the RS485 communications
protocol.
Uses a DIP switch to select a two-wire or four-wire system.
Provides a DIP switch to select a build-out resistor.
Provides a DIP switch for setting the optional card address.
Supports hot swap.
Copyright © Huawei Technologies Co., Ltd.
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