AEG 2.33 2 user manual EPO terminals, Parallel BUS connection

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4.3.7. EPO terminals (X50)

The equipment has two terminals ready for external remote (Emergency Power Off (EPO)).

In case where there is a requirement to install a switch or button (EPO), the cable bridge that closes the circuit has to be removed from terminal strip (X50).

The switch or button (EPO) has to open the circuit between the terminal strip (X50) to activate the emergency shutdown. To restore the UPS to normal mode, reverse the position of the switch or button (EPO), -close the circuit in terminal strip (X50).

To understand the operation of (EPO), see section 5.3 of this manual.

Fig.22:  Terminals for connection of external push-button (EPO), property of the user

Note: In a parallel system there is an emergency stop switch to one of the two UPS devices. Detailed information on emergency shutdown can be found in chapter 5.6.

4.3.8 Parallel BUS connection (X36)

This section is only relevant for parallel systems.

•For the correct parallel operation both UPS communicate to each other via the parallel BUS. For redundancy purposes the BUS connection consists of 2 cables which are connected in a loop.

•Connect the parallel BUS connection after all power connections have been done. In the accessory of each UPS you can find one 5 meters, 15-pole parallel BUS cable (HDB 15 connector male/female). If you connect 2 UPS to one parallel system each UPS comes with one cable.

•Connect X36o of UPS 1 to X36i of UPS 2 and X36i of UPS 1 to X36o of UPS 2. An additional termination of the connection is not needed.

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Contents Protect 2.33 Contents Operation Maintenance, warranty and service Introduction Using this manualSymbols and conventions used For more information and help Safety and instructionsManagement declaration Quality and standard guaranteeEnvironmental protection StandardsViews Views of the equipment PresentationNot available for Protect 2.33 No -3 battery cabinet front view with front door closed Corresponding legends for the equipment views LCD Operating principle Structure Structural schemaNormal operation Operation with mains failureOperation with inverter not active Parallel operation Operation in manual bypassThere are two operation modes possible Important safety instructions InstallationBattery safety instructions Cabinet access Bypass Input Output Set up and installation Unpacking and content checking Transportation to site StorageLocation Front view for parallel system Connection To the mains connection, terminals X1 toPage Connection of the output, terminals X6 to Page Connection example between a UPS and two battery cabinets Interface relay contacts, connectorConnector DB9 X31 COM-interface RS232 and RS485, connectorPage Parallel BUS connection EPO terminalsParallel BUS Connection Start up procedure OperationStart up Control before start up Close Battery Switch LED indications control panel PC Complete UPS shutdownEmergency power off EPO operation Bypass manual switch Maintenance Principle of operationTransfer to maintenance bypass Transfer to normal operation Close Battery Switch Control panel parts Control panel and display descriptionTouch Screen Basic functions of keyboard from synopticControl panel parts Main Messages menus and classification in submenusMenu structure Screen 0.0 Main Screen Screen description Main level screen menuMain UPS status control screen menuPage 3. ‘‘MEASURES level screen menu Page Page Screen 3.0 Settings and its submenus 4. ‘‘SETTINGS level screen menuModbus Screen Page Page 5. ‘‘ALARMS level screen menu UPS Rectifier blocks Alarm list displayed in the LCD panel Alarm Page Page Alarm Page Page Page Page Alarm Error in configuration memory Screen 5.0 Data logger  6. ‘‘DATA Logger level screen menuPage Basic maintenance guide Maintenance, warranty and serviceBattery fuses BatteriesWarranty conditions Cooling FanCapacitors Annexes Static Bypass Type Dimensions & Weight External Battery Cabinet External battery cabinetTo provide for Safety InstructionsPage Page Page Operating Instructions 8000032013 BAL, EN

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