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Emerson 2468CB, 2468CD manual 3B.5 SPECIFICATION, 3b-18

Models: 2468CD 2468CB

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Delay Relay Output Board OptionHydrastep 2468CB and 2468CD Manual

3B.5 SPECIFICATION

Outputs:	4 x Alarm/Trip Relays
Relay Contact Rating:	ac	dc
Maximum voltage:	250V	125V
Maximum current:	8A	8A
Maximum switching power:	1500VA	240W	(≤ 30V)
		65W	(≤ 60V)
		25W	(≤ 125V)
For type nA safety:		100mA at 30Vdc
Maximum initial contact resistance: 30mΩ
Time Delay:	Disabled or 0.8 ± 0.8s to 24.2s ± 0.8s

3b-18

24685034

Image 102

Emerson 2468CB, 2468CD manual 3B.5 SPECIFICATION, 3b-18

Contents

Electronic Gauging System Hydrastep 2468CB and 2468CDHydrastep Dual Power Supply VersionCATEGORY SYMPTOMSOLUTION See Note POSSIBLE CAUSES See NoteHYDRASTEP START-UP Mobrey Customer SupportPart 2 – Pressure Parts About this manualPart 1 – Electrical/Electronic System Part 3 – AppendixSYMBOLS USED IN THIS MANUAL AND ON THE UNIT Symbol MeaningPage Electronic Gauging System PartHydrastep 2468CB & 2468CD 24685034Pt.1-2 24685034DANGEROUS VOLTAGES ARE PRESENT IN Pt.1-4 24685034Contents PartPt.1-6 24685034Page No ContentsIllustrations 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 1.3.1OUTPUT BOARDS 1.3SYSTEM OPTIONS1.2.3SYSTEM FAULTS 2468CB OR 2468CD 1.3.2REMOTE DISPLAY UNITSAvailable Options Table 1.1 - Upgrade paths and available optionsExisting System CommentsHydrastep 2468CB and 2468CD Manual 246850342468CB & 2468CD Dual Power Supply Version Contents2-23 FAULT ANALYSIS & CORRECTIVE ACTIONSPECIFICATION 2-322.3ELECTRONIC ENCLOSURE 2.1INTRODUCTION2.2ELECTRODE CABLING SYSTEM 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 LK1Link Headers fitted 2.3.3.2Links LK2, LK3, LK4 and LK5No. of Electrodes used 2.3.4PCB INTERCONNECTIONS2.4INSTALLATION Hydrastep 2468CB and 2468CD Manual 246850342-10 Electrode connectionsConductor 2-11Water column connections for 16 electrodes 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 2-17 2.5SYSTEM CONFIGURATION2.5.1.1Analogue Output Configuration 2.5.1INPUT BOARD PCB 24680501 OR2-18 2.5.1.2Pulsed Output Setting2.5.1.3Electrode Error Configuration Input Board Option Board Removed2-19 Offset voltages2.5.2DISPLAY BOARD 2.5.2.1Link LK1 Setting2-20 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 2-23Indication Faults2-24 Analysis and Corrective Action2-25 Indication2-26 IndicationIndication Faults2-27 Analysis and Corrective ActionIndication Faults2-28 Analysis and Corrective Action2-29 Indication2.6.1.1Removing the Input Board 24680501 or 2.6.1COMPONENT REPLACEMENT2-30 2.6.1.2Refitting the Input BoardItem Description 2.6.2PARTS LIST - HYDRASTEP 2468 CB & CD VERSIONS2-31 MobreySPECIFICATION 2-322-WD.1 Wiring Diagrams for Dual Power Supply VersionContents Page NoHydrastep 2468CB and 2468CD Manual Wiring Diagrams for Dual Power Supply Version2-WD.2 24685034Wiring Diagrams for Dual Power Supply Version 2-WD.324685034 Hydrastep 2468CB and 2468CD Manual Wiring Diagrams for Dual Power Supply Version2-WD.4 246850342-WD.5 24685034Hydrastep 2468CB and 2468CD Manual Wiring Diagrams for Dual Power Supply Version2-WD.6 246850342-WD.7 24685034Hydrastep 2468CB and 2468CD Manual Wiring Diagrams for Dual Power Supply Version2-WD.8 246850342-WD.9 246850342-WD.10 24685034Hydrastep 2468CB and 2468CD Manual 2-WD.11 24685034Hydrastep 2468CB and 2468CD Manual Wiring Diagrams for Dual Power Supply Version2-WD.12 246850342-WD.13 24685034Hydrastep 2468CB and 2468CD Manual Wiring Diagrams for Dual Power Supply Version2-WD.14 246850342-WD.15 24685034Hydrastep 2468CB and 2468CD Manual Wiring Diagrams for Dual Power Supply Version2-WD.16 246850342468 - Relay Output Board Option Contents3a-1 3a-2 3a-724685034 3A.2 INSTALLATION 3A.1 GENERAL DESCRIPTION3a-3 3a-4 3a.2.3.1 PCB Interconnections 3A.2.3 ELECTRICAL INSTALLATION3a-5 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 3B.5 SPECIFICATION3b-2 246850343B.2 INSTALLATION 3B.1 GENERAL DESCRIPTION3b-3 3b-4 3b.2.3.1 PCB Interconnections 3B.2.3 ELECTRICAL INSTALLATION3b-5 3b.2.3.2 Relay Output Connections3B.3 DELAY RELAY BOARD CONFIGURATION 3b-63B.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.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 Contents3c-2 IllustrationsTables 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 Hydrastep 2468CB & 2468CD Manual 3c-16Opto-isolatedOutput Board Option 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 4-104-11 4.4.4CONNECTING CABLES TO THE REMOTE DISPLAYService Terminal4.4.5CONNECTING THE DISPLAY CABLES TO HYDRASTEP 4-12Fault 4.6FAULT ANALYSIS AND CORRECTIVE ACTION4.5SYSTEM OPERATION 4-13Bottom half of fault 4-144-15 Flickering DisplayItem 4.7COMPONENT REPLACEMENT4-16 Mobrey Part NumberPOWER SUPPLY 4.8SPECIFICATIONDIMENSIONS REMOTE DISPLAY UNITSHydrastep 2468CB & 2468CD Manual 4-18Remote Display Options 24683B, C & D 24685034Hydrastep Pressure Parts Operating ManualPt.2-2 24675030About this manual Part 2 - Pressure PartsPt.2-3 Pt.2-4 24675030CORRECT R E M I N D E RELECTRODE INSTALLATION INCORRECTPt.2-6 24675030N O T I C E Pt.2-7Pt.2-8 24675030Unit Specifications - Hydrastep Part 2 - Hydrastep Pressure PartsInstallation Procedures Fault Repair and CommissioningPt.2-10 24675030WATER LEVEL INDICATION General IntroductionPRINCIPLE OF OPERATION IllustrationsGeneral Introduction 24675030Hydrastep Pressure Parts 1.1PRINCIPLE OF OPERATION 1.2WATER LEVEL INDICATIONGeneral Introduction 2467503024675030 General IntroductionGeneral Introduction 24675030Hydrastep Pressure Parts SCOPE OF PROCEDURES Installation ProceduresContents INSTALLATION OF WATER COLUMNInstallation Procedures 24675030Hydrastep Pressure Parts 2.2STORAGE 2.1SCOPE OF PROCEDURES2.3INSTALLATION OF WATER COLUMN 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 BACKGROUND Fault Repair and CommissioningContents 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 Electronic Gauging System PartHydrastep 2468CA, CB, CC & CD Pt.3-1Pt3-2 CSA Certified A.1 GENERALHydrastep 2468 - Technical Manual Page Appendix A: CSA Approval Page Hydrastep Operating ManualEmerson Process Management Mobrey Ltd