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Emerson 2468CB, 2468CD manual Pt.2-8, 24675030

Models: 2468CD 2468CB

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Emerson 2468CB, 2468CD manual Pt.2-8, 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 TablesHydrastep 2468CB and 2468CD Manual 004024685034 1.1WATER LEVEL MEASUREMENT Hydrastep 2468CB and 2468CD Manual 246850341.2HYDRASTEP 2468 ELECTRONIC GAUGING SYSTEM 1.2.1INPUT BOARDS1.2.2DISPLAY 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 of2468CB & 2468CD Dual Power Supply Version Hydrastep 2468CB and 2468CD Manual24685034 2.3.1INPUT BOARD PCB 24680501 AND PCB 2.3.1.1Analogue Output Drive Capability2.3.2REMOTE 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 2-12AC Powered Units input board 2.4.2.4Hydrastep Power Supply Cables2-13 DC Powered Units input board 2-14Figure 2.4 Voltage Selection 240V or 2-15 2.4.2.5Analogue Output Connection2.4.2.6Opto-IsolatedFault Output Connection 2-16Part 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 Manual2.5.2.3‘Switching Threshold’ Setting 2.5.2.4 ‘Compatibility’ 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 24685034Wiring Diagrams for Dual Power Supply Version 2-WD.324685034 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 246850342-WD.10 24685034Hydrastep 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 246850342468 - Relay Output Board Option Contents3a-1 3a-2 3a-724685034 3A.2 INSTALLATION 3A.1 GENERAL DESCRIPTION3a-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.3.1.1 Configuring the Relay Output Board 3a-73A.3.1 RELAY OUTPUT BOARD 3a-8 3A.3.2 ALARM AND TRIPPING FACILITIES 3a-93a.3.2.1 Philosophy 3a-10 3a-11 3a-12 3a-13 3a-14 3A.4 COMPONENT REPLACEMENT 3a-153A.5 SPECIFICATION 3a-16Delay Relay Output Board Option Contents3b-1 SPECIFICATION 3b-23B.5 246850343B.2 INSTALLATION 3B.1 GENERAL DESCRIPTION3b-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-73B.3.1 DELAY RELAY OUTPUT BOARD 3b-8 3b.3.1.6 Delay Circuit Configuration 3b-924685034 3b.3.1.7 Configuring the Delay Circuit Split Pads 3b-103B.3.2 ALARM AND TRIPPING FACILITIES 3b-113b.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.2 INSTALLATION 3C.1 GENERAL DESCRIPTION3c-3 3c-4 3c-5 3c.2.3.2 Opto-IsolatedOutput Connections3C.3 OPTO-ISOLATEDOUTPUT BOARD CONFIGURATION 3c-63c-7 3c-8 3C.3.2 ALARM AND TRIPPING FACILITIES 3c-93c.3.2.1 Philosophy 3c-10 3c-11 3c-12 3c-13 3C.4 COMPONENT REPLACEMENT 3c-143C.5 SPECIFICATION 3c-1524685034 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 directive4.4.1STAR AND DAISY CHAIN CONNECTIONS StarDaisy 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 24675030About this manual Part 2 - Pressure PartsPt.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 IllustrationsGeneral Introduction 24675030Hydrastep Pressure Parts 1.1PRINCIPLE OF OPERATION 1.2WATER LEVEL INDICATIONGeneral Introduction 2467503024675030 General IntroductionGeneral Introduction 24675030Hydrastep Pressure Parts Installation Procedures ContentsSCOPE OF PROCEDURES INSTALLATION OF WATER COLUMNInstallation Procedures 24675030Hydrastep 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 24675030Installation Procedures Figure 2.3 - Typical water column suspension24675030 Fault Repair and Commissioning ContentsBACKGROUND WATER COLUMN COMMISSIONING OR RECOMMISSIONINGFault Repair and Commissioning 24675030Hydrastep Pressure Parts 3.1BACKGROUND 3.1.1SAFETY PRECAUTIONS3.1.2WATER COLUMN ISOLATION 3.1.3ELECTRODE AND ELECTRODE SEAL LEAKS3.1.3.1Low Pressure Electrodes 3.1.3.2High Pressure Electrodes 3.2WATER COLUMN COMMISSIONING OR RECOMMISSIONING 3.2.1VENT AND DRAIN VALVE REPAIRS3.2.2WATER COLUMN TRANSIENT RESPONSE 3.2.3WATER COLUMN OR PIPEWORK BLOCKAGE3.2.4WATER COLUMN LIFE Fault Repair and Commissioning 24675030Hydrastep Pressure Parts Unit Description ContentsUnit Description Hydrastep Pressure Parts24675030 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 Unit Description Hydrastep Pressure Parts24675030 Unit Specifications - Hydrastep 5.1ELECTRODES5.2WATER COLUMNS SeriesSuper 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 Hydrastep Operating Manual