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Rosemount OCX8800
Emerson Rosemount OCX8800 Quick Start Guide
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Quick Start Guide
00825-0100-4880, Rev AC
October 2019
Rosemount
™
OCX8800 Oxygen and
Combustibles Transmitter
with 4–20 mA HART
®
Protocol
2
Table of Contents
1 Description and specifications
3
1.1 Component checklist
3
2 Installation
5
2.1 Product safety
5
2.2 Mechanical installation
5
2.2.1 Select a location
5
2.2.2 Install
6
2.3 Electrical installation
7
2.3.1 Electrical connections
8
2.3.2 Connect line voltage
8
2.3.3 Connect output signals
8
2.3.4 Oxygen (O2) 4-20 mA signal
9
2.3.5 Combustibles equivalent (COe) 4-20 mA signal
9
2.3.6 Alarm output relay
9
2.3.7 Remote electronics connections to sensor housing
9
2.3.8 Signal connections
9
2.3.9 Heater power connections
9
2.4 Pneumatic installation
14
2.4.1 Reference air set option (only)
15
2.4.2 Reference air set and solenoids option without COe zero function
17
2.4.3 Reference air set and solenoids option with COe zero function
19
2.4.4 Reference air set, solenoids, and blowback option with COe zero function
21
2.4.5 Reference air set, solenoids, and blowback option without COe zero function
23
2.4.6 Reference air set and blowback panels
26
3 Configuration and startup
33
3.1 Verify installation
33
3.1.1 Verify configuration - HART® electronics
33
3.2 Initial power up
35
3.3 Setting test gas values
35
3.3.1 Set test gas values with the Field Communicator
35
3.3.2 Set test gas values with the LOI
35
3.4 Calibration solenoids
36
3.4.1 Configure the calibration solenoids with the Field Communicator - HART®
36
3.4.2 Configure the calibration solenoids with the LOI
36
3.5 Blowback feature
36
3.5.1 Configure blowback with the Field Communicator - HART®
37
3.5.2 Configure blowback with the LOI
37
3.6 COe purge/zero feature
38
3.6.1 Configure the COe zero feature with the Field Communicator - HART®
39
3.6.2 Configure the COe zero feature with the LOI
39
4 Using the LOI
41
4.1 LOI controls
41
4.1.1 LOI assembly
41
4.1.2 LOI key functions
41
4.1.3 Lockout
42
5 Calibration
44
5.1 Fully automatic calibration
44
5.1.1 Set up autocalibration using HART®
44
5.2 Operator - initiated autocalibration
45
5.2.1 Autocalibrate using HART®
45
5.3 Manual calibration
45
5.3.1 Calibrate manually using the LOI
45
5.3.2 Calibrate O2 manually using the Field Communicator - HART®
46
5.3.3 Calibrate COe manually using the Field Communicator - HART®
48
5.3.4 Calibrate O2 and COe manually using the Field Communicator - HART®
50
6 Product certifications
53
6.1 European Directive information
53
6.2 Ordinary location certification
53
6.3 Installing equipment in North America
53
6.4 Rosemount OCX8800 Oxygen/Combustibles Transmitter (OCX88A) for general purpose locations
53
6.4.1 USA
53
6.4.2 Canada
54
6.5 Rosemount OCX8800 Oxygen/Combustibles Transmitter (OCX88C) for Hazardous Locations
54
6.5.1 USA
54
6.5.2 Canada
55
6.5.3 Europe
56
6.5.4 International
57
7 Declaration of Conformity
58
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Emerson Rosemount OCX8800 Specifications
General
Brand
Emerson
Model
Rosemount OCX8800
Category
Transmitter
Language
English
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