Table Of Contents - ABB 9438 User Manual

CONTENTS
1 INTRODUCTION ........................................................... 2
2 MECHANICAL INSTALLATION .................................... 3
2.1 Siting Requirements ............................................ 3
2.1.1 Instruments ........................................... 3
2.1.2 Dissolved Oxygen Flowcell .................... 3
2.2 Mounting the Instrument ..................................... 3
2.2.1 Wall-mounted Instrument ...................... 3
2.2.2 Panel-mounted Instrument .................... 4
2.3 Installing the Dissolved Oxygen Flowcell ............. 5
2.3.1 Flowcell Dimensions (Overall)7 .............. 5
2.3.2 Enclosure Dimensions (Optional) ........... 5
2.3.3 Connecting the Sample Lines ................ 5
3 ELECTRICAL CONNECTIONS ..................................... 6
3.1 Access to Terminals ............................................ 6
3.1.1 Wall-mounted Instruments .................... 6
3.1.2 Panel-mounted Instruments .................. 6
3.2 Connections, General ......................................... 7
3.2.1 Relay Contact Protection
and Interference Suppression ................ 7
3.2.2 System Wiring Schematic ..................... 8
3.3 Wall-mounted Instrument Connections ............... 8
3.4 Panel-mounted Instrument Connections ............. 9
3.5 Selecting the Mains Voltage .............................. 10
3.5.1 Wall-mounted Instrument .................... 10
3.5.2 Panel-mounted Instrument .................. 10
3.6 Flowcell Solenoid Valve Connections ................ 11
4 SETTING UP ............................................................... 12
4.1 Fitting the Dissolved Oxygen Sensor ................. 12
4.2 Connecting the Flowcell .................................... 13
4.3 Checking Sample Flow ..................................... 13
5 CONTROLS AND DISPLAYS ..................................... 14
5.1 Displays ............................................................ 14
5.2 Switch Familiarization ........................................ 14
6 START UP AND OPERATION ..................................... 15
6.1 Instrument Start-up ........................................... 16
6.2 Operation - Dissolved Oxygen
Measurement Mode .......................................... 16
6.2.1 Operation Page ................................... 16
6.2.2 Calibration Page .................................. 17
7 PROGRAMMING AND ELECTRICAL CALIBRATION 18
7.1 Access to Secure Parameters ........................... 18
7.2 Language Page ................................................ 18
7.3 Set Up Parameters Page .................................. 18
7.4 Set Up Alarm Page ........................................... 19
7.5 Set Up Retransmission Page ............................ 21
7.6 Electrical Calibration ......................................... 24
7.6.1 Equipment Required ........................... 24
7.6.2 Preparation ......................................... 24
7.7 Factory Settings Page ....................................... 25
8 MAINTENANCE .......................................................... 28
8.1 Introduction ...................................................... 28
8.2 Cleaning/Changing the Sensor ......................... 28
8.2.1 Cleaning .............................................. 28
8.2.2 Changing the Sensor .......................... 28
9 SIMPLE FAULT FINDING ........................................... 29
9.1 Diagnostic Messages ........................................ 29
9.2 Low Sensor Efficiency/Slow Sensor Cal.
or no Response to D.O. Changes ..................... 30
9.3 Checking the Temperature Input ....................... 30
9.4 High Sample Readings ..................................... 30
10 SPECIFICATION ......................................................... 31
11 SPARES ...................................................................... 32
11.1 Strategic Spares ............................................... 32
APPENDIX A - 9438 080 24 V DC
POWER SUPPLY UNIT (OPTIONAL) .......................... 34
A.1 Description ....................................................... 34
A.2 PSU Dimensions ............................................... 34
A.3 Accessing PSU Terminals ................................. 34
A.4 PSU Connections ............................................. 35
A.5 Wiring Schematic .............................................. 35
A.6 Specification ..................................................... 35
APPENDIX B - CALIBRATION DIAGNOSTICS ................... 36
B.1 During Calibration ............................................. 36
B.2 Low Sensor Efficiency ....................................... 36
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