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Emerson 2468CD, 2468CB manual 3b-9, 3b.3.1.6 Delay Circuit Configuration, 24685034

Models: 2468CD 2468CB

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Hydrastep 2468CB and 2468CD Manual

Delay Relay Output Board Option

3b.3.1.6 Delay Circuit Configuration

By means of split pad links incorporated in each of the relay delay circuits, delays can be introduced or bypassed and the following delays are made available (see also Figure 3b.2):

Table 3b.2 - Split pad functions on relay delay circuits

24685034

3b-9

Page 93

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Emerson 2468CD, 2468CB manual 3b-9, 3b.3.1.6 Delay Circuit Configuration, 24685034

Contents

Hydrastep Hydrastep 2468CB and 2468CDElectronic Gauging System Dual Power Supply VersionSOLUTION See Note SYMPTOMCATEGORY POSSIBLE CAUSES See NoteMobrey Customer Support HYDRASTEP START-UPPart 1 – Electrical/Electronic System About this manualPart 2 – Pressure Parts Part 3 – AppendixSymbol Meaning SYMBOLS USED IN THIS MANUAL AND ON THE UNITPage Hydrastep 2468CB & 2468CD PartElectronic Gauging System 2468503424685034 Pt.1-2DANGEROUS VOLTAGES ARE PRESENT IN 24685034 Pt.1-4Part Contents24685034 Pt.1-6Illustrations ContentsPage No TablesHydrastep 2468CB and 2468CD Manual 004024685034 1.1WATER LEVEL MEASUREMENT 24685034 Hydrastep 2468CB and 2468CD Manual1.2HYDRASTEP 2468 ELECTRONIC GAUGING SYSTEM 1.2.1INPUT BOARDS1.2.2DISPLAY BOARD 1.2.3SYSTEM FAULTS 2468CB OR 2468CD 1.3SYSTEM OPTIONS1.3.1OUTPUT BOARDS 1.3.2REMOTE DISPLAY UNITSExisting System Table 1.1 - Upgrade paths and available optionsAvailable Options Comments24685034 Hydrastep 2468CB and 2468CD ManualContents 2468CB & 2468CD Dual Power Supply VersionSPECIFICATION FAULT ANALYSIS & CORRECTIVE ACTION2-23 2-322.2ELECTRODE CABLING SYSTEM 2.1INTRODUCTION2.3ELECTRONIC 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 2.3.3.1Link LK1 2.3.3DISPLAY BOARD PCBNo. of Electrodes used 2.3.3.2Links LK2, LK3, LK4 and LK5Link Headers fitted 2.3.4PCB INTERCONNECTIONS2.4INSTALLATION 24685034 Hydrastep 2468CB and 2468CD ManualElectrode connections 2-10Water column connections for 16 electrodes 2-11Conductor Number2-12 2.4.2.3Connecting the Electrode Cable Assemblies to 2468 EnclosureAC 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 2.4.2.5Analogue Output Connection 2-152.4.2.6Opto-IsolatedFault Output Connection 2-16Part of Display Board showing PL4 2.5.1.1Analogue Output Configuration 2.5SYSTEM CONFIGURATION2-17 2.5.1INPUT BOARD PCB 24680501 OR2.5.1.3Electrode Error Configuration 2.5.1.2Pulsed Output Setting2-18 Input Board Option Board RemovedOffset voltages 2-192-20 2.5.2.1Link LK1 Setting2.5.2DISPLAY BOARD Table 2.2 - Number of electrodes being displayedHydrastep 2468CB and 2468CD Manual 2-212.5.2.3‘Switching Threshold’ Setting 2.5.2.4 ‘Compatibility’ Setting2-22 2-23 2.6FAULT ANALYSIS & CORRECTIVE ACTION2-24 FaultsIndication Analysis and Corrective ActionIndication 2-25Indication 2-262-27 FaultsIndication Analysis and Corrective Action2-28 FaultsIndication Analysis and Corrective ActionIndication 2-292-30 2.6.1COMPONENT REPLACEMENT2.6.1.1Removing the Input Board 24680501 or 2.6.1.2Refitting the Input Board2-31 2.6.2PARTS LIST - HYDRASTEP 2468 CB & CD VERSIONSItem Description Mobrey2-32 SPECIFICATIONContents Wiring Diagrams for Dual Power Supply Version2-WD.1 Page No2-WD.2 Wiring Diagrams for Dual Power Supply VersionHydrastep 2468CB and 2468CD Manual 24685034Wiring Diagrams for Dual Power Supply Version 2-WD.324685034 2-WD.4 Wiring Diagrams for Dual Power Supply VersionHydrastep 2468CB and 2468CD Manual 2468503424685034 2-WD.52-WD.6 Wiring Diagrams for Dual Power Supply VersionHydrastep 2468CB and 2468CD Manual 2468503424685034 2-WD.72-WD.8 Wiring Diagrams for Dual Power Supply VersionHydrastep 2468CB and 2468CD Manual 2468503424685034 2-WD.92-WD.10 24685034Hydrastep 2468CB and 2468CD Manual 24685034 2-WD.112-WD.12 Wiring Diagrams for Dual Power Supply VersionHydrastep 2468CB and 2468CD Manual 2468503424685034 2-WD.132-WD.14 Wiring Diagrams for Dual Power Supply VersionHydrastep 2468CB and 2468CD Manual 2468503424685034 2-WD.152-WD.16 Wiring Diagrams for Dual Power Supply VersionHydrastep 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-5 3A.2.3 ELECTRICAL INSTALLATION3a.2.3.1 PCB Interconnections 3a.2.3.2 Relay Output Connections3a-6 3A.3 RELAY BOARD CONFIGURATION3a.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-15 3A.4 COMPONENT REPLACEMENT3a-16 3A.5 SPECIFICATIONDelay Relay Output Board Option Contents3b-1 3b-2 SPECIFICATION3B.5 246850343B.2 INSTALLATION 3B.1 GENERAL DESCRIPTION3b-3 3b-4 3b-5 3B.2.3 ELECTRICAL INSTALLATION3b.2.3.1 PCB Interconnections 3b.2.3.2 Relay Output Connections3b-6 3B.3 DELAY RELAY BOARD CONFIGURATION3B.3.1 DELAY RELAY OUTPUT BOARD 3b.3.1.1 Configuring the Delay Relay Output Board3b-7 3b-8 3b.3.1.6 Delay Circuit Configuration 3b-924685034 3b-10 3b.3.1.7 Configuring the Delay Circuit Split Pads3B.3.2 ALARM AND TRIPPING FACILITIES 3b-113b.3.2.1 Philosophy 3b-12 3b-13 3b-14 3b-15 3b-16 3b-17 3B.4 COMPONENT REPLACEMENT3b-18 3B.5 SPECIFICATIONContents 2468 Opto-isolatedOutput Board OptionTables Illustrations3c-2 246850343C.2 INSTALLATION 3C.1 GENERAL DESCRIPTION3c-3 3c-4 3c.2.3.2 Opto-IsolatedOutput Connections 3c-53c-6 3C.3 OPTO-ISOLATEDOUTPUT BOARD CONFIGURATION3c-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-14 3C.4 COMPONENT REPLACEMENT3C.5 SPECIFICATION 3c-1524685034 Opto-isolatedOutput Board Option 3c-16Hydrastep 2468CB & 2468CD Manual 24685034Contents Remote Display Options 24683B, C, & DFigure 4.1REMOTE DISPLAY OPTIONS 4.2CONFIGURATION 4.2.2RECONFIGURING THE 24683D REMOTE DISPLAY 4.3.2INSTALLING THE 24683D WALL MOUNTED UNIT 4.3MECHANICAL INSTALLATIONcomply with the EMC directive 4.4ELECTRICAL INSTALLATION4.4.1STAR AND DAISY CHAIN CONNECTIONS StarDaisy Chain 4.4.2EXAMPLE OF A ‘STAR CONNECTED’ SYSTEM 4-10 4.4.3EXAMPLE OF A `DAISY CHAIN SYSTEMService 4.4.4CONNECTING CABLES TO THE REMOTE DISPLAY4-11 Terminal4-12 4.4.5CONNECTING THE DISPLAY CABLES TO HYDRASTEP4.5SYSTEM OPERATION 4.6FAULT ANALYSIS AND CORRECTIVE ACTIONFault 4-134-14 Bottom half of faultFlickering Display 4-154-16 4.7COMPONENT REPLACEMENTItem Mobrey Part NumberDIMENSIONS 4.8SPECIFICATIONPOWER SUPPLY REMOTE DISPLAY UNITSRemote Display Options 24683B, C & D 4-18Hydrastep 2468CB & 2468CD Manual 24685034Operating Manual Hydrastep Pressure Parts24675030 Pt.2-2About this manual Part 2 - Pressure PartsPt.2-3 24675030 Pt.2-4ELECTRODE INSTALLATION R E M I N D E RCORRECT INCORRECT24675030 Pt.2-6Pt.2-7 N O T I C E24675030 Pt.2-8Installation Procedures Part 2 - Hydrastep Pressure PartsUnit Specifications - Hydrastep Fault Repair and Commissioning24675030 Pt.2-10PRINCIPLE OF OPERATION General IntroductionWATER LEVEL INDICATION IllustrationsGeneral Introduction 24675030Hydrastep Pressure Parts 1.2WATER LEVEL INDICATION 1.1PRINCIPLE OF OPERATION24675030 General IntroductionGeneral Introduction 24675030General Introduction 24675030Hydrastep Pressure Parts Contents Installation ProceduresSCOPE OF PROCEDURES INSTALLATION OF WATER COLUMNInstallation Procedures 24675030Hydrastep Pressure Parts 2.3INSTALLATION OF WATER COLUMN 2.1SCOPE OF PROCEDURES2.2STORAGE 2.2.4HANDLING PRECAUTIONSdiscarded Figure 2.1 - Universal weld profile 2.4INSPECTION OF MECHANICAL INSTALLATION WORK 24675030 Installation ProceduresInstallation Procedures Figure 2.3 - Typical water column suspension24675030 Contents Fault Repair and CommissioningBACKGROUND WATER COLUMN COMMISSIONING OR RECOMMISSIONINGFault Repair and Commissioning 24675030Hydrastep Pressure Parts 3.1.1SAFETY PRECAUTIONS 3.1BACKGROUND3.1.2WATER COLUMN ISOLATION 3.1.3ELECTRODE AND ELECTRODE SEAL LEAKS3.1.3.1Low Pressure Electrodes 3.1.3.2High Pressure Electrodes 3.2.1VENT AND DRAIN VALVE REPAIRS 3.2WATER COLUMN COMMISSIONING OR RECOMMISSIONING3.2.2WATER COLUMN TRANSIENT RESPONSE 3.2.3WATER COLUMN OR PIPEWORK BLOCKAGE3.2.4WATER COLUMN LIFE Fault Repair and Commissioning 24675030Hydrastep Pressure Parts Contents Unit DescriptionUnit Description Hydrastep Pressure Parts24675030 Figure 4.1 - Low pressure electrode 4.1LOW PRESSURE ELECTRODESFigure 4.2 - High pressure electrode 4.2HIGH PRESSURE ELECTRODES4.3WATER COLUMN L.P 4.4WATER COLUMN H.P 4.5WATER COLUMN H.P. SUPERCRITICAL Unit Description Hydrastep Pressure Parts24675030 5.1ELECTRODES Unit Specifications - Hydrastep5.2WATER COLUMNS SeriesSuper Hydrastep 2468CA, CB, CC & CD PartElectronic Gauging System Pt.3-1Pt3-2 A.1 GENERAL CSA CertifiedHydrastep 2468 - Technical Manual Page Appendix A: CSA Approval Page Hydrastep Operating ManualEmerson Process Management Mobrey Ltd