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RMS-RELAY02B External Dry Contact Card User Manual Issue Draft A Date 2017-01-19 HUAWEI TECHNOLOGIES CO., LTD.
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Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS"...
The RMS-RELAY02B is an optional communications card designed for the UPS2000-G-(1 kVA–20 kVA) and UPS2000-A-(1 kVA–3 kVA) series. The external dry contact card mentioned in this document refers to the RMS-RELAY02B card. Intended Audience This document is intended for: ...
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RMS-RELAY02B External Dry Contact Card User Manual About This Document Symbol Description Indicates a potentially hazardous situation which, if not avoided, could result in equipment damage, data loss, performance deterioration, or unanticipated results. NOTICE is used to address practices not related to personal injury.
User Manual 1 Safety Precautions Safety Precautions Only professional technical personnel designated by Huawei are allowed to install and operate the external dry contact card. Carefully read this document before operating the external dry contact card. Keep this document for future use.
RMS-RELAY02B External Dry Contact Card User Manual 2 Overview Overview 2.1 Introduction The external dry contact card provides dry contact signals. It can remotely manage a UPS by connecting to the UPS over an SNMP card. The external dry contact card is applicable in the following scenarios: ...
RMS-RELAY02B External Dry Contact Card User Manual 2 Overview 2.2 Appearance and Ports Appearance Figure 2-1 External dry contact card (1) External dry contact card (2) RUN indicator (3) ALM indicator (4) RS485_IN port (5) RS485_OUT port (6) Dry contact port...
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RMS-RELAY02B External Dry Contact Card User Manual 2 Overview Figure 2-2 RS485_IN and RS485_OUT ports Table 2-1 RS485_IN and RS485_OUT port pin definitions Function Terminal Terminal Type Definition RS485_IN RJ45 RS485A RJ45 terminal RS485B 12V_IN RS485A RS485B RS485_OUT RJ45 RS485A...
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RMS-RELAY02B External Dry Contact Card User Manual 2 Overview Figure 2-3 Dry contact port Table 2-2 Dry contact pin definitions Functio Termin Preset Value on Function al Type Definition the SNMP Card WebUI Mains Customers can set the NC_1 contact...
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Figure 2-4 Pin definitions and internal logic connection diagram RS485 Address Settings The 8-pin DIP switch used for setting the RS485 communications address is located at the side of the RMS-RELAY02B module and near the board edge, as shown in Figure 2-5.
RMS-RELAY02B External Dry Contact Card User Manual 2 Overview The configurable address ranges from 1 to 255. The DIP switch is set based on the binary method. 1 indicates the least significant bit and 8 indicates the most significant bit. ON indicates 0.
Visually inspect the package of the dry contact card for shipping damage. If any damage is found, notify the carrier immediately. Check that the fittings comply with the packing list. If any discrepancy is found, record the information and contact the local Huawei office immediately. 3.2 Preparations Table 3-1 Installation tools Installation Tool...
RMS-RELAY02B External Dry Contact Card User Manual 3 Installation 3.3 Installation Procedure Wear ESD gloves during installation. The external dry contact card is hot-swappable. You can maintain it without powering off the UPS. Magnet-based Installation The external dry contact card can be magnet-mounted. It can be attracted to metal materials, such as the cabinet shell.
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RMS-RELAY02B External Dry Contact Card User Manual 3 Installation Figure 3-1 Securing the fastener Step 2 Clamp the clips at the bottom of the dry contact card shell to the fastener, as shown in Figure 3-2. The dry contact card is secured to the fastener, as shown in Figure 3-3.
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RMS-RELAY02B External Dry Contact Card User Manual 3 Installation Figure 3-3 Securing the external dry contact card to the fastener Step 3 Connect the dry contact card to the SNMP card through which the dry contact card connects to the UPS.
----End 3.4 Software Settings Procedure Step 1 Choose Config > RMS-RELAY02B Settings and set RMS-RELAY02B input to Enabled. Step 2 Set the associated event for the DO port and set the associated event and type for the DI port. ...
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RMS-RELAY02B External Dry Contact Card User Manual 3 Installation The UPS performs the shutdown command if Type is set to NO, DI1 is set to Startup, DI2 is set to Shutdown, and there is a 12–24 V DC input. If the UPS is faulty, it does not perform the startup command when DI is set to Startup.