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Table of Contents
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OCX 8800 Oxygen/Combustibles Transmitter
ESSENTIAL INSTRUCTIONS
OCX 8800
PREFACE
DEFINITIONS
SYMBOLS
Instruction Manual
Section 1 Description and Specifications
COMPONENT CHECKLIST
SYSTEM OVERVIEW
IM-106-880, Rev 1.0
Figure 1-1. Typical System Package
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Figure 1-2. System Operation Diagram
Handling the OCX 8800
SENSOR HOUSING
ELECTRONICS HOUSING
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Figure 1-4. Typical System Installation
OCX 8800 with INTEGRAL ELECTRONICS
Instruction Manual
SPECIFICATIONS
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Table 1-1. Product Matrix - Hazardous Area OCX 8800
January 2007
Table 1-2. Accessories
Section 2 Installation
MECHANICAL
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Figure 2-1. Installation, OCX 8800
BOTTOM VIEW
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Instruction Manual
ELECTRICAL
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Figure 2-4. Line Voltage, Earth, and 4-20 mA Connections
AOUT1+
(1/2 SIZE)
{
{
PNEUMATIC
Figure 2-5. Pneumatic Installation, OCX with Reference Air Set (without Autocalibration)
(
(
( (
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Figure 2-7. Piping Arrangement, Blowback with Autocalibration
(
CAUTION
Figure 2-8. Piping Arrangement, Blowback without Autocalibration
(
CAUTION
(
INITIAL STARTUP
Instruction Manual
Section 3 Configuration and Startup
VERIFY INSTALLATION
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Instruction Manual
Figure 3-1. OCX 8800 Defaults
INITIAL POWER UP
SET TEST GAS VALUES
OCX 8800 RESET PROCEDURE
Instruction Manual
Section 4 Using the LOI
OVERVIEW
DISPLAY ORIENTATION
LOI CONTROLS Overview
LOI Key Functions
LK AL
Instruction Manual
LOI Status Codes
LOI MENU TREE
4-5
Figure 4-4. LOI Menu Tree (Sheet 2 of 4)
4-6
Figure 4-4. LOI Menu Tree (Sheet 3 of 4)
4-7
Figure 4-4. LOI Menu Tree (Sheet 4 of 4)
D/A TRIM PROCEDURES
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Instruction Manual
Section 5 Using HART Communications
OVERVIEW
HART COMMUNICATOR SIGNAL CONNECTIONS
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HART COMMUNICATOR PC CONNECTIONS
Instruction Manual
5-5
HART MENU TREE
is specific to OCX 8800 applications. Figure 5-3. HART Menu Tree (Sheet 1 of 4)
5-6
Figure 5-3. HART Menu Tree (Sheet 2 of 4)
Status group 3
5-7
Figure 5-3. HART Menu Tree (Sheet 3 of 4)
5-8
Figure 5-3. HART Menu Tree (Sheet 4 of 4)
Instruction Manual
D/A TRIM PROCEDURES
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Instruction Manual
Section 6 Calibration
OVERVIEW
FULLY AUTOMATIC CALIBRATION
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OPERATOR - INITIATED AUTOCALIBRATION
MANUAL CALIBRATION
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Instruction Manual
Section 7 Maintenance and Service
OVERVIEW
OCX 8800 REMOVAL AND INSTALLATION
OCX with Integral Electronics
Figure 7-2. Electronics Housing Terminal Blocks
AOUT1+
(1/2 SIZE)
{
{
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Figure 7-3. Removal of O2 Cell and Heater Strut Assembly
Figure 7-4. O2 Cell, Thermocouple, and Heater Connections
+ +
++
+
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OCX 8800
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Instruction Manual
Sensor Housing Assembly
COe SENSOR ASSEMBLY
THERMOCOUPLE
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OCX 8800
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Figure 7-18. Installation of O2 Cell and Heater Strut Assembly
Figure 7-19. O2 Cell, Thermocouple, and Heater Connections
+ +
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+
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Instruction Manual
REPAIR ELECTRONICS HOUSING
Electronics Housing Disassembly
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Electronics Housing Assembly
Figure 7-23. Electronics Housing Cable Connections
ELECTRONICS HOUSING
TOPVIEW
Instruction Manual
REPLACE TUBE FITTINGS
Remove Tube Fittings
Install Tube Fittings
Instruction Manual
Section 8 Troubleshooting
OVERVIEW
Grounding
Electrical Noise
Electrostatic Discharge
Total Power Loss
DIAGNOSTIC ALARMS
Instruction Manual
FAULT ISOLATION
IM-106-880, Rev 1.0
SB Temp Hi (Sample block heater temperature high, > 190C)
O2 TC Open (Oxygen sensor heater thermocouple open)
COe TC Open (Combustibles sensor heater thermocouple open)
SB TC Open (Sample block heater thermocouple open)
O2 TC Shorted (Oxygen sensor heater thermocouple shorted)
COe TC Shorted (Combustibles sensor heater thermocouple shorted)
SB TC Shorted (Sample block heater thermocouple shorted)
O2 TC Reversed (Oxygen sensor heater thermocouple reversed)
O2 Htr Failure (Oxygen sensor heater could not reach final temperature)
COe Htr Failure (Combustibles sensor heater could not reach final temperature)
SB Htr Failure (Sample block heater could not reach final temperature)
Figure 8-2. Oxygen and Cell Output
Cal Warning (Calibration warning) Cal Failed (Calibration failed)
ANALYZER OUTPUT (
OXYGEN CONCENTRATION (%)
MILLIVOLT )
Board Temp Hi (Electronics temperature maximum exceeded, > 85C)
EEPRM Chksm Fail (Non-volatile parameter storage corrupted)
O2 Temp Low (Oxygen sensor heater temperature low, < 710C)
COe Temp Low (Combustion sensor heater temperature low, < 290C)
SB Temp Low (Sample block heater temperature low, < 150C)
Line Voltage High (AC power line voltage above maximum, > 278 VAC)
Htr Relay Failed (Heater relay failure)
Out Brd Failure (Output board failure)
Figure 8-3. Electrical Connections Between Electronics and Sensor Housing
ELECTRONICS HOUSING SENSOR HOUSING
Instruction Manual
ALARM RELAY EVENTS
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SENSOR HOUSING
Figure 9-1. Sensor Housing Components
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Figure 9-2. Sensor Housing Components
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ELECTRONICS HOUSING
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Instruction Manual
O2 CELL AND HEATER STRUT ASSEMBLY
Figure 9-5. O2 Cell and Heater Strut Assembly
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Appendix A Safety Data
SAFETY INSTRUCTIONS IMPORTANT
SAFETY INSTRUCTIONS FOR THE WIRING AND INSTALLATION OF THIS APPARATUS
DLEIT
VIGTIGT
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BELANGRIJK
WICHTIG
OLULINE TEAVE
TRKE
IMPORTANT
FONTOS
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SVARBU
SVARGI
IMPORTANTI
STRUZZJONIJIET TAS-SIGURT GALL-WIRING U L-INSTALLAZZJONI TAT-TAGMIR
VIKTIG
WANE!
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DLEIT
POMEMBNO
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VIKTIGT
SAFETY DATA SHEET FOR CERAMIC FIBER PRODUCTS
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Instruction Manual
HIGH PRESSURE GAS CYLINDERS
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Instruction Manual
Appendix B SPA with HART Alarm
OVERVIEW DESCRIPTION
INSTALLATION
SETUP
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Instruction Manual
Appendix C Return of Materials
RETURNING MATERIAL
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January 2007 OCX 8800
Index
Symbols
A
B
C
S
T
W
WARRANTY
