UPS2000-A-(6 kVA-10 kVA)-RTL
User Manual
6 Communications
Issue 07 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
69
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.
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:
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.
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
.