Emerson 2468CB, 2468CD manual

Contents

Main Hydrastep 2468CB and 2468CD Hydrastep 2468 Operating Manual E (Dual Power Supply Version) Page HYDRASTEP START-UP About this manual Part 1 Electrical/Electronic System Part 2 Pressure Parts Part 3 Appendix SYMBOLS USED IN THIS MANUAL AND ON THE UNIT Page Page Page Page Page Part 1 Contents Page Introduction to the Hydrastep 2468 Electronic Gauging System 1-2 24685034 1.1 WATER LEVEL MEASUREMENT Page 1.2 HYDRASTEP 2468 ELECTRONIC GAUGING SYSTEM 1.2.1 INPUT BOARDS 0 to 20mA 4 to 20mA 20 to 0mA 20 to 4mA 1.2.2 DISPLAY BOARD 1-6 24685034 1.3 SYSTEM OPTIONS 1.3.1 OUTPUT BOARDS 1.3.2 REMOTE DISPLAY UNITS 1.3.3 OPTION DETAILS 1.4 HYDRASTEP 2468 UPGRADE PATHS AND AVAILABLE OPTIONS Page 2468CB & 2468CD Dual Power Supply Version 2-2 24685034 2.1 INTRODUCTION 2.2 ELECTRODE CABLING SYSTEM 2.3 ELECTRONIC ENCLOSURE Two input boards supply power to the system and to the input signal processing A display board (PCB 24680515) contains the LED drive circuits for the two columns 2-4 24685034 Page 2-6 24685034 Page 2-8 24685034 2.4 INSTALLATION Page 2-10 24685034 Electrode connections Water column connections for 16 electrodes 2-12 24685034 AC Powered Units (input board 24680501) 2-14 24685034 DC Powered Units (input board 24680516) Page 2-16 24685034 2.5 SYSTEM CONFIGURATION Two Input Boards - PCB 24680501 or 24680516 Display Board - PCB 24680515 2-18 24685034 Page 2-20 24685034 Page 2-22 24685034 2.6 FAULT ANALYSIS & CORRECTIVE ACTION 2-24 24685034 Page 2-26 24685034 Page 2-28 24685034 Page 2-30 24685034 2.6.2 PARTS LIST - HYDRASTEP 2468 CB & CD VERSIONS 2-32 24685034 2.7 SPECIFICATION Wiring Diagrams for Dual Power Supply Version Page No. Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page 3a 2468 - Relay Output Board Option Page No. 3a-2 3A.1 GENERAL DESCRIPTION 3A.2 INSTALLATION 3a-4 Page 3A.3 RELAY BOARD CONFIGURATION Page 3a-8 Page 3a-10 Hydrastep 2468CB and 2468CD Manual Relay Output Board Option 24685034 3a-11 3a-12 Hydrastep 2468CB and 2468CD Manual Relay Output Board Option 24685034 3a-13 Relay Output Board Option Hydrastep 2468CB and 2468CD Manual 3a-14 Case B - Relays normally de-energised, energise two to trip 3A.4 COMPONENT REPLACEMENT 3a-16 3A.5 SPECIFICATION 3b Delay Relay Output Board Option Page No. Page 3B.1 GENERAL DESCRIPTION 3B.2 INSTALLATION 3b-4 24685034 Page 3B.3 DELAY RELAY BOARD CONFIGURATION Page 3b-8 24685034 Page 3b-10 24685034 Page 3b-12 24685034 Case B - Relays normally de-energised, energise either one to trip Hydrastep 2468CB and 2468CD Manual Dela y Relay Output Board Option 24685034 3b-13 Case B - Relays normally de-energised, energise both to trip 3b-14 24685034 Case B - Relays normally energised, de-energise one pair to trip Hydrastep 2468CB and 2468CD Manual Dela y Relay Output Board Option 24685034 3b-15 Case A - Relays normally energised, de-energise one in each pair to trip Case B - Relays normally de-energised, energise one in each pair to trip 3b-16 24685034 Case B - Relays normally energised, de-energise two to trip 3B.4 COMPONENT REPLACEMENT 3b-18 24685034 3B.5 SPECIFICATION 3c 2468 Opto-isolated Output Board Option Page No. Page 3C.1 GENERAL DESCRIPTION 3C.2 INSTALLATION 3c-4 24685034 Page 3C.3 OPTO-ISOLATED OUTPUT BOARD CONFIGURATION Page 3c-8 24685034 Page 3c-10 24685034 Hydrastep 2468CB & 2468CD Manual Opto-isolated Output Board Option 24685034 3c-11 2 3 2 3 2 3c-12 24685034 Case B - Opto-output circuit normally short circuit, open circuit one in each pair to trip Hydrastep 2468CB & 2468CD Manual Opto-isolated Output Board Option 24685034 3c-13 Case B - Opto-output circuit normally short circuit, open circuit to trip 3c-14 24685034 3C.4 COMPONENT REPLACEMENT 3C.5 SPECIFICATION Page Remote Display Options 24683B, C, & D 4-2 24685034 Illustrations Tables 4.1 REMOTE DISPLAY OPTIONS 4-4 24685034 4.2 CONFIGURATION 4.2.1 RECONFIGURING THE 24683B AND 24683C REMOTE DISPLAY 4.2.2 RECONFIGURING THE 24683D REMOTE DISPLAY 4-6 24685034 4.3 MECHANICAL INSTALLATION 4.3.1 INSTALLING THE 24683B AND 24683C PANEL MOUNTED UNITS 4.3.2 INSTALLING THE 24683D WALL MOUNTED UNIT 4.4 ELECTRICAL INSTALLATION 4-8 24685034 4.4.1 STAR AND DAISY CHAIN CONNECTIONS 4.4.2 EXAMPLE OF A STAR CONNECTED SYSTEM 4-10 24685034 4.4.3 EXAMPLE OF A `DAISY CHAIN' SYSTEM 4.4.4 CONNECTING CABLES TO THE REMOTE DISPLAY 4-12 24685034 4.4.5 CONNECTING THE DISPLAY CABLES TO HYDRASTEP 2468 4.5 SYSTEM OPERATION 4.6 FAULT ANALYSIS AND CORRECTIVE ACTION 4-14 24685034 Indication Fault Analysis and Corrective Action Table 4.1 (cont.) - Fault Analysis and Correction Chart Indication Fault Analysis and Corrective Action Table 4.1 (cont.) - Fault Analysis and Correction Chart 4-16 24685034 4.7 COMPONENT REPLACEMENT 4.8 SPECIFICATION REMOTE DISPLAY UNITS CABLES Page Hydrastep Pressure Parts Operating Manual Pt.2-2 24675030 About this manual Part 2 - Pressure Parts Page R E M I N D E R THREADED ELECTRODE(S), PART Nos. 459600602 & 459600802 Page N O T I C E Page Part 2 - Hydrastep Pressure Parts Page General Introduction Page 1.1 PRINCIPLE OF OPERATION 1.2 WATER LEVEL INDICATION 1-4 Page Page Installation Procedures Illustrations Page 2.1 SCOPE OF PROCEDURES 2.2 STORAGE 2.2.1 AMBIENT CONDITIONS 2.2.2 PHYSICAL PROTECTION 2.2.3 INSPECTION 2-4 Page 2-6 2.4 INSPECTION OF MECHANICAL INSTALLATION WORK Page Page Fault Repair and Commissioning 3.1 BACKGROUND 3-3 3.2 WATER COLUMN COMMISSIONING OR RECOMMISSIONING 3-6 Page 3.1 BACKGROUND 3.1.1 SAFETY PRECAUTIONS 3-4 3.1.2 WATER COLUMN ISOLATION 3.1.3 ELECTRODE AND ELECTRODE SEAL LEAKS 3.1.3.1 Low Pressure Electrodes 3.1.3.2 High Pressure Electrodes 3.1.3.3 Tightening Procedure For High Pressure Electrode Installation 3.1.4 PROCEDURE FOR CHANGING THE LOW PRESSURE ELECTRODES AND GASKETS 3-6 3.1.5 PROCEDURE FOR CHANGING HIGH PRESSURE ELECTRODES 3.2 WATER COLUMN COMMISSIONING OR RECOMMISSIONING 3.2.1 VENT AND DRAIN VALVE REPAIRS 3.2.2 WATER COLUMN TRANSIENT RESPONSE 3.2.3 WATER COLUMN OR PIPEWORK BLOCKAGE 3.2.4 WATER COLUMN LIFE Page Unit Description Page 4.1 LOW PRESSURE ELECTRODES 4-4 4.2 HIGH PRESSURE ELECTRODES 4.3 WATER COLUMN (L.P.) 4-6 4.4 WATER COLUMN (H.P.) 4.5 WATER COLUMN (H.P. SUPERCRITICAL) Page Unit Specifications - Hydrastep 5.1 ELECTRODES Page Page Page A-1 A CSA Certified A.1 GENERAL Page Page Page Page Hydrastep 2468 Operating Manual 24685034, Rev. AE June 2011