American Power Conversion MX28B4800, MX28B2400 manual External Alarm Input Connections, No-Nc-C

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RELAY

TERMINAL

 

OUTPUT

DESIGNATION

USER ALARM NOTES

 

NO-NC-C

 

RELAY #1

NO1-NC1-C1

________________________

RELAY #2

NO2-NC2-C2

________________________

RELAY #3

NO3-NC3-C3

________________________

RELAY #4

NO4-NC4-C4

________________________

RELAY #5

NO5-NC5-C5

________________________

RELAY #6

NO6-NC6-C6

________________________

MINOR

NO7-NC7-C7

________________________

MAJOR

NO8-NC8-C8

________________________

Figure 3.9-2 Output Relay Connections

3.10. External Alarm Input Connections

Four external alarm inputs with assignable priority levels are available. These alarm inputs respond to external dry contact closures between normally open (NO) and common (C) or contact openings between normally closed (NC) and C.

External Alarm Source

Connect To Input

(non-alarm state)

Alarm Terminals

OPEN

NO-C

CLOSED

NC-C

Figure 3.10-1 External Alarm Input Definition

Connector J4 is located on the interface card mounted in the top left side of the unit. Refer to Figure 3.9-1 for Interface board connections. Systems are shipped with jumper wires connecting each NC and corresponding C contact. A jumper wire should be removed only if the corresponding NC-C contacts are going to be used. To attach the Input Relay wires, push down on the white spring-loaded lever; insert the wire and release the lever.

EXTERNAL

ALARM

INPUT

#1

#2

#3

#4

J4 TERMINAL DESIGNATION (NO-NC-C) NO1-NC1-C1NO2-NC2-C2NO3-NC3-C3NO4-NC4-C4

USER ALARM NOTES

___________________________

___________________________

___________________________

___________________________

Figure 3.10-2 External Alarm Input Connections

MX28B1200/2400 MX28B1200/4800 –48 VDC User’s Manual

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Contents VDC Power Systems Table of Contents Commissioning and Preventive Maintenance APC Worldwide Customer Support Limited Product Warranty Revision History Revision Date DescriptionSafety First General PrecautionsHow to Use This Manual IntroductionGeneral Information 1 MX28B-1200 -48 VDC Power Plant Rectifier Bay 2 MX28B Block Diagram Unpacking Equipment InstallationMechanical Installation Room / LocationPower Bus Connections Mounting2 MX28B-1200-2400 has a maximum Circuit Breaker/LVD Ribbon Cable Connections 5 Circuit Breaker / LVD Expansion BoardAC Power Connections Fuse Alarm Ribbon Cable ConnectionsVentilation 1 AC Input Wiring Battery Connections Planning the Battery InstallationConnecting the Battery Cables 1 Battery Cable Connection Locations2 Battery Probe Connection DC System GroundingDC Power Output Over-Current Protection DC Plug-in Circuit BreakersBreaker Part Number Rating 2 Plug-in Circuit Breakers DC Bolt-in Circuit Breakers 4 Bolt-in Circuit BreakersTelecom Fuses 5 Telecom FusesInstallation of Circuit Breakers and Fuses Plug-in Circuit Breaker InstallationBolt-in Circuit Breaker Installation 2 Circuit Breaker Alarm WiringTelecom Fuse Installation GMT Fuse InstallationCircuit Breaker Connections 1 to 50 Amps Load ConnectionsCable Size Considerations Circuit Breaker Connections 60-100 AmpsFront Panel DB9 Connection Monitoring and Relay Output ConnectionsGMT Fuse Connections Smart Cable DB9 ConnectionRJ45 Ethernet Connector Relay Output ConnectionsExternal Alarm Input Connections NO-NC-CRectifier Module Installation Battery Visual and Safety Inspection Commissioning and Preventive MaintenanceElectrical Installation Pre-Commissioning InspectionAC Power Up CommissioningInitial Set-up Rectifier Test DC Power UpBattery Power Up LVD TestUser Inputs Battery Temperature CompensationCircuit Breaker/ Fuse Test Output RelaysFinal Inspection Operation Technical DescriptionRectifier Management System Voltage Control System ManagementSystem Output Capacity System CurrentBattery Charging and Protection Battery ManagementSystem Status and Alarm Reporting DC DistributionControls and Indicators Battery/Load Low Voltage DisconnectFront Panel User Interface Status Alarms System Modules Batt PIN OEM Parameter Locations, Descriptions, and Default ValuesAddress Alarm ItemNo Alarms Switzer70.0 C Batt HT AlmBatt HT Thr Batt HV AlmCir Bkr 72 Almm+ Cir Bkr 1 Alm m+Major Comp HkneeHw Batt C Almm+ Fuse 1 AlmFuse 16 Alm Minor48.00 LVD ResetLVD Option LVD TripOut-Rly 6 Dly m+ Out-Rly 1 Dly m+Sec Relay MajorMRF28H54 DisableRect 1 Desc Rect 1ofN Almm+Sys LT Alm Sys HV AlmSys HV Thr Sys LT ThrTime 90025SYS MS System Module SET-ALM Setup DA Control Unit Menu StructureV e l C o n d L e v e l I r d L e v e l U r t h L e v e l SYS Sysin Modrec AM Info Modfuse LM Alias Fuse MOD Modlvd Modlvd LM Param Alarm Outputs Output Relays Front Panel LED IndicatorsSection External Alarm Inputs Input Relays Description Command and Monitoring ProtocolRemote Monitoring Physical ConnectionsEquipment Preventive MaintenanceSystem Visual and Safety Inspection InspectionTest System Voltage TestRectifier Current Test Battery Current Test Rectifier Alarm TestSystem Temperature Test Rectifier Current Share TestBattery Temperature Test Battery Preventive Maintenance ProcedureFinal Inspection 1MRF28H54BV Rectifiers SpecificationsAC Input 1MRF28H54BV50 RectifiersVDC RectifiersPower Shelf Control Unit Mechanical EnvironmentalCompliance Toll Free APC Worldwide Customer SupportUS and Canada WorldwideLimited Product Warranty