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Emerson 2468CB, 2468CD 3 - Typical water column suspension, Installation Procedures, 24675030

Models: 2468CD 2468CB

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Figure 2.3 - Typical water column suspension

Installation Procedures

Hydrastep Pressure Parts

Figure 2.3 - Typical water column suspension

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24675030

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Emerson 2468CB, 2468CD manual 3 - Typical water column suspension, Installation Procedures, 24675030

Contents

Hydrastep 2468CB and 2468CD HydrastepElectronic Gauging System Dual Power Supply VersionSYMPTOM SOLUTION See NoteCATEGORY POSSIBLE CAUSES See NoteHYDRASTEP START-UP Mobrey Customer SupportAbout this manual Part 1 – Electrical/Electronic SystemPart 2 – Pressure Parts Part 3 – AppendixSYMBOLS USED IN THIS MANUAL AND ON THE UNIT Symbol MeaningPage Part Hydrastep 2468CB & 2468CDElectronic Gauging System 24685034Pt.1-2 24685034DANGEROUS VOLTAGES ARE PRESENT IN Pt.1-4 24685034Contents PartPt.1-6 24685034Contents IllustrationsPage No Tables0040 Hydrastep 2468CB and 2468CD Manual24685034 1.1WATER LEVEL MEASUREMENT Hydrastep 2468CB and 2468CD Manual 246850341.2.1INPUT BOARDS 1.2HYDRASTEP 2468 ELECTRONIC GAUGING SYSTEM1.2.2DISPLAY BOARD 1.3SYSTEM OPTIONS 1.2.3SYSTEM FAULTS 2468CB OR 2468CD1.3.1OUTPUT BOARDS 1.3.2REMOTE DISPLAY UNITSTable 1.1 - Upgrade paths and available options Existing SystemAvailable Options CommentsHydrastep 2468CB and 2468CD Manual 246850342468CB & 2468CD Dual Power Supply Version ContentsFAULT ANALYSIS & CORRECTIVE ACTION SPECIFICATION2-23 2-322.1INTRODUCTION 2.2ELECTRODE CABLING SYSTEM2.3ELECTRONIC ENCLOSURE Number ofHydrastep 2468CB and 2468CD Manual 2468CB & 2468CD Dual Power Supply Version24685034 2.3.1.1Analogue Output Drive Capability 2.3.1INPUT BOARD PCB 24680501 AND PCB2.3.2REMOTE DISPLAY DRIVE CAPABILITY 2.3.3DISPLAY BOARD PCB 2.3.3.1Link LK12.3.3.2Links LK2, LK3, LK4 and LK5 No. of Electrodes usedLink Headers fitted 2.3.4PCB INTERCONNECTIONS2.4INSTALLATION Hydrastep 2468CB and 2468CD Manual 246850342-10 Electrode connections2-11 Water column connections for 16 electrodesConductor Number2.4.2.3Connecting the Electrode Cable Assemblies to 2468 Enclosure 2-122.4.2.4Hydrastep Power Supply Cables AC Powered Units input board2-13 2-14 DC Powered Units input boardFigure 2.4: Voltage Selection 240V or 2-15 2.4.2.5Analogue Output Connection2-16 2.4.2.6Opto-IsolatedFault Output ConnectionPart of Display Board showing PL4 2.5SYSTEM CONFIGURATION 2.5.1.1Analogue Output Configuration2-17 2.5.1INPUT BOARD PCB 24680501 OR2.5.1.2Pulsed Output Setting 2.5.1.3Electrode Error Configuration2-18 Input Board Option Board Removed2-19 Offset voltages2.5.2.1Link LK1 Setting 2-202.5.2DISPLAY BOARD Table 2.2 - Number of electrodes being displayed2-21 Hydrastep 2468CB and 2468CD Manual2.5.2.4 ‘Compatibility’ Setting 2.5.2.3‘Switching Threshold’ Setting2-22 2.6FAULT ANALYSIS & CORRECTIVE ACTION 2-23Faults 2-24Indication Analysis and Corrective Action2-25 Indication2-26 IndicationFaults 2-27Indication Analysis and Corrective ActionFaults 2-28Indication Analysis and Corrective Action2-29 Indication2.6.1COMPONENT REPLACEMENT 2-302.6.1.1Removing the Input Board 24680501 or 2.6.1.2Refitting the Input Board2.6.2PARTS LIST - HYDRASTEP 2468 CB & CD VERSIONS 2-31Item Description MobreySPECIFICATION 2-32Wiring Diagrams for Dual Power Supply Version Contents2-WD.1 Page NoWiring Diagrams for Dual Power Supply Version 2-WD.2Hydrastep 2468CB and 2468CD Manual 246850342-WD.3 Wiring Diagrams for Dual Power Supply Version24685034 Wiring Diagrams for Dual Power Supply Version 2-WD.4Hydrastep 2468CB and 2468CD Manual 246850342-WD.5 24685034Wiring Diagrams for Dual Power Supply Version 2-WD.6Hydrastep 2468CB and 2468CD Manual 246850342-WD.7 24685034Wiring Diagrams for Dual Power Supply Version 2-WD.8Hydrastep 2468CB and 2468CD Manual 246850342-WD.9 2468503424685034 2-WD.10Hydrastep 2468CB and 2468CD Manual 2-WD.11 24685034Wiring Diagrams for Dual Power Supply Version 2-WD.12Hydrastep 2468CB and 2468CD Manual 246850342-WD.13 24685034Wiring Diagrams for Dual Power Supply Version 2-WD.14Hydrastep 2468CB and 2468CD Manual 246850342-WD.15 24685034Wiring Diagrams for Dual Power Supply Version 2-WD.16Hydrastep 2468CB and 2468CD Manual 24685034Contents 2468 - Relay Output Board Option3a-1 3a-7 3a-224685034 3A.1 GENERAL DESCRIPTION 3A.2 INSTALLATION3a-3 3a-4 3A.2.3 ELECTRICAL INSTALLATION 3a-53a.2.3.1 PCB Interconnections 3a.2.3.2 Relay Output Connections3A.3 RELAY BOARD CONFIGURATION 3a-63a-7 3a.3.1.1 Configuring the Relay Output Board3A.3.1 RELAY OUTPUT BOARD 3a-8 3a-9 3A.3.2 ALARM AND TRIPPING FACILITIES3a.3.2.1 Philosophy 3a-10 3a-11 3a-12 3a-13 3a-14 3A.4 COMPONENT REPLACEMENT 3a-153A.5 SPECIFICATION 3a-16Contents Delay Relay Output Board Option3b-1 SPECIFICATION 3b-23B.5 246850343B.1 GENERAL DESCRIPTION 3B.2 INSTALLATION3b-3 3b-4 3B.2.3 ELECTRICAL INSTALLATION 3b-53b.2.3.1 PCB Interconnections 3b.2.3.2 Relay Output Connections3B.3 DELAY RELAY BOARD CONFIGURATION 3b-63b.3.1.1 Configuring the Delay Relay Output Board 3B.3.1 DELAY RELAY OUTPUT BOARD3b-7 3b-8 3b-9 3b.3.1.6 Delay Circuit Configuration24685034 3b.3.1.7 Configuring the Delay Circuit Split Pads 3b-103b-11 3B.3.2 ALARM AND TRIPPING FACILITIES3b.3.2.1 Philosophy 3b-12 3b-13 3b-14 3b-15 3b-16 3B.4 COMPONENT REPLACEMENT 3b-173B.5 SPECIFICATION 3b-182468 Opto-isolatedOutput Board Option ContentsIllustrations Tables3c-2 246850343C.1 GENERAL DESCRIPTION 3C.2 INSTALLATION3c-3 3c-4 3c-5 3c.2.3.2 Opto-IsolatedOutput Connections3C.3 OPTO-ISOLATEDOUTPUT BOARD CONFIGURATION 3c-63c-7 3c-8 3c-9 3C.3.2 ALARM AND TRIPPING FACILITIES3c.3.2.1 Philosophy 3c-10 3c-11 3c-12 3c-13 3C.4 COMPONENT REPLACEMENT 3c-143c-15 3C.5 SPECIFICATION24685034 3c-16 Opto-isolatedOutput Board OptionHydrastep 2468CB & 2468CD Manual 24685034Remote Display Options 24683B, C, & D ContentsFigure 4.1REMOTE DISPLAY OPTIONS 4.2CONFIGURATION 4.2.2RECONFIGURING THE 24683D REMOTE DISPLAY 4.3MECHANICAL INSTALLATION 4.3.2INSTALLING THE 24683D WALL MOUNTED UNIT4.4ELECTRICAL INSTALLATION comply with the EMC directiveStar 4.4.1STAR AND DAISY CHAIN CONNECTIONSDaisy Chain 4.4.2EXAMPLE OF A ‘STAR CONNECTED’ SYSTEM 4.4.3EXAMPLE OF A `DAISY CHAIN SYSTEM 4-104.4.4CONNECTING CABLES TO THE REMOTE DISPLAY Service4-11 Terminal4.4.5CONNECTING THE DISPLAY CABLES TO HYDRASTEP 4-124.6FAULT ANALYSIS AND CORRECTIVE ACTION 4.5SYSTEM OPERATIONFault 4-13Bottom half of fault 4-144-15 Flickering Display4.7COMPONENT REPLACEMENT 4-16Item Mobrey Part Number4.8SPECIFICATION DIMENSIONSPOWER SUPPLY REMOTE DISPLAY UNITS4-18 Remote Display Options 24683B, C & DHydrastep 2468CB & 2468CD Manual 24685034Hydrastep Pressure Parts Operating ManualPt.2-2 24675030Part 2 - Pressure Parts About this manualPt.2-3 Pt.2-4 24675030R E M I N D E R ELECTRODE INSTALLATIONCORRECT INCORRECTPt.2-6 24675030N O T I C E Pt.2-7Pt.2-8 24675030Part 2 - Hydrastep Pressure Parts Installation ProceduresUnit Specifications - Hydrastep Fault Repair and CommissioningPt.2-10 24675030General Introduction PRINCIPLE OF OPERATIONWATER LEVEL INDICATION Illustrations24675030 General IntroductionHydrastep Pressure Parts 1.1PRINCIPLE OF OPERATION 1.2WATER LEVEL INDICATIONGeneral Introduction 2467503024675030 General Introduction24675030 General IntroductionHydrastep Pressure Parts Installation Procedures ContentsSCOPE OF PROCEDURES INSTALLATION OF WATER COLUMN24675030 Installation ProceduresHydrastep Pressure Parts 2.1SCOPE OF PROCEDURES 2.3INSTALLATION OF WATER COLUMN2.2STORAGE 2.2.4HANDLING PRECAUTIONSdiscarded Figure 2.1 - Universal weld profile 2.4INSPECTION OF MECHANICAL INSTALLATION WORK Installation Procedures 24675030Figure 2.3 - Typical water column suspension Installation Procedures24675030 Fault Repair and Commissioning ContentsBACKGROUND WATER COLUMN COMMISSIONING OR RECOMMISSIONING24675030 Fault Repair and CommissioningHydrastep Pressure Parts 3.1BACKGROUND 3.1.1SAFETY PRECAUTIONS3.1.3ELECTRODE AND ELECTRODE SEAL LEAKS 3.1.2WATER COLUMN ISOLATION3.1.3.1Low Pressure Electrodes 3.1.3.2High Pressure Electrodes 3.2WATER COLUMN COMMISSIONING OR RECOMMISSIONING 3.2.1VENT AND DRAIN VALVE REPAIRS3.2.3WATER COLUMN OR PIPEWORK BLOCKAGE 3.2.2WATER COLUMN TRANSIENT RESPONSE3.2.4WATER COLUMN LIFE 24675030 Fault Repair and CommissioningHydrastep Pressure Parts Unit Description ContentsHydrastep Pressure Parts Unit Description24675030 4.1LOW PRESSURE ELECTRODES Figure 4.1 - Low pressure electrode4.2HIGH PRESSURE ELECTRODES Figure 4.2 - High pressure electrode4.3WATER COLUMN L.P 4.4WATER COLUMN H.P 4.5WATER COLUMN H.P. SUPERCRITICAL Hydrastep Pressure Parts Unit Description24675030 Unit Specifications - Hydrastep 5.1ELECTRODESSeries 5.2WATER COLUMNSSuper Part Hydrastep 2468CA, CB, CC & CDElectronic Gauging System Pt.3-1Pt3-2 CSA Certified A.1 GENERALHydrastep 2468 - Technical Manual Page Appendix A: CSA Approval Page Operating Manual HydrastepEmerson Process Management Mobrey Ltd