Instruction Manual
IM-106-880, Rev 1.0

January 2007 OCX 8800

http://www.raihome.com
Index

Symbols

"Z" pattern . . . . . . . . . . . . . . . . . 4-3

A

Accessories . . . . . . . . . . . . . . 1-12
Alarm Relay Events . . . . . . . . 8-11
Assemble O2 Sensor . . . . . . . 7-16
Autocalibration Setup, HART . . 6-2
Autocalibration Setup, LOI . . . . 6-1
Autocalibration, HART . . . . . . . 6-4
Autocalibration, LOI . . . . . . . . . 6-4

B

Band Heater Height . . . . . . . . 7-19
Blowback System . . . . . . 1-5, 2-13
Blowback with Autocalibration 2-14
Blowback without Autocalibration 2-15

C

Cell Output . . . . . . . . . . . . . . . . 8-7
COe Band Heater . . . . . . . . . . 7-11
COe Sensor Assembly 7-8, 7-14, 7-15,
. . . . . . . . . . . . . . . . . . . . . . . 7-19
COe Sensor Holder Alignment 7-20
COe Sensor Parts . . . . . . . . . . 7-18
COe Sensor, Thermocouple, and Heat-
er Connections . . . . . . . . . . . 7-21
Combustibles Sensor . . . . . . . . 1-3
Component Checklist . . . . . . . . 1-1
Configuration . . . . . . . . . . . . . . 3-2

D

D/A Trim Procedure . . . . . . . . 6-10
Defaults . . . . . . . . . . . . . . . . . . . 3-3
Diagnostic Alarms . . . . . . . . . . . 8-2
Display Orientation . . . . . . . . . . 4-1

E

Eductor . . . . . . . . . . . . . .7-11, 7-17
Eductor Holder . . . . . . . . . . . . 7-11
Electrical Noise . . . . . . . . . . . . . 8-1
Electronics Housing Components 9-6
Electronics Housing Disassembly 7-25
Electronics Housing Terminal Blocks
7-3
Electrostatic Discharge . . . . . . . 8-1
Essential Instructions . . . . . . . . . . i

F

Factory Repair . . . . . . . . . . . . . .C-1
Fault Indications . . . . . . . . . . . . 8-3
Fault Isolation . . . . . . . . . . . . . . 8-3
Fitting, ‘F’ Type . . . . . . . . . . . .7-31
Fitting, ‘R’ Type . . . . . . . . . . . .7-31
Fittng, ‘13’ Type . . . . . . . . . . . . 7-31
Fuse Locations . . . . . . . . . . . . . 8-2

G

Grounding . . . . . . . . . . . . . . . . .8-1

H

Handling . . . . . . . . . . . . . . . . . . 1-6
HART Communicator . . . . . . . . 5-1
HART Connections . . . . . . . . . . 1-7
HART PC Connections . . . . . . . 5-4
HART Signal Connections . . . . . 5-1
HART Signal Line Connections 5-2,
5-3
Hazardous Area OCX 8800 1-11, 4-2
Heater Strut Assembly . . . . . . 7-16

I

Install Eductor . . . . . . . . . . . . .7-17
Install Electronics Stack . . . . . .7-28
Install Flash PROM . . . . . . . . .7-28
Install Integral OCX 8800 . . . . . 7-4
Install LOI Module . . . . . . . . . .7-28
Install Solenoid Valves . . . . . . 7-28
Install Tube Fittings . . . . . . . . . 7-32
Instrument Air . . . . . . . . . . . . . . 1-7

L

LK Notation . . . . . . . . . . . . . . . .4-3
LOI board . . . . . . . . . . . . . . . . .4-1
LOI Components . . . . . . . . . . . . 4-1
LOI Menu . . . . . . . . . . . . . . . . . 4-4
LOI Menu Tree . . . . . . . . . . . . . 4-4

M

Manual Calibration, HART 6-5, 6-7, 6-8
Manual Calibration, LOI . . . . . . .6-4
Material Safety Data Sheet . . A-24

N

Nernst Equation . . . . . . . . . . . . .1-3

O

O2 Cell and Heater Strut 7-22, 7-24
O2 Cell and Heater Strut Assembly
7-6, . . . . . . . . . . . . 7-7, 7-13, 9-9
O2 Cell Output Voltage . . . . . . .1-4
O2 Cell Replacement Kit . . . . . 7-13
O2 Cell, Heater, and Thermocouple
7-13
O2 Cell, Thermocouple, and Heater
Connections . . . . . . . . . 7-7, 7-23
OCX with Integral Electronics . .7-2
Operation Diagram . . . . . . . . . . 1-6
Oxygen and Cell Output . . . . . . 8-7

P

Personal Computer (PC) . . . . . .1-5
Power Up . . . . . . . . . . . . . . . . . .3-3
Pre-Heater . . . . . . . . . . . . . . . .7-15
Pre-Heater Alignment . . . . . . . 7-16
Product Matrix . . . . . . . . . . . . .1-11

R

Reference Air Tube . . . . . . . . . .7-7
Removal and Installation . . . . . .7-1
Remove Eductor . . . . . . . . . . .7-11
Remove EEprom . . . . . . . . . . . 7-25
Remove Electronics Stack . . . .7-26
Remove Flash PROM . . . . . . .7-25
Remove LOI Module and Board 7-25
Remove OCX 8800 . . . . . . . . . .7-2
Remove Solenoid Valves 7-27, 7-28
Remove Tube Fittings . . . . . . .7-31
Repair Sensor Housing . . . . . . .7-5
Replace Tube Fittings . . . . . . .7-31
Reset Procedure . . . . . . . . . . . .3-4
Resistance Devices (RTD) . . . . 1-3
Returning Material . . . . . . . . . . C-1