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Detcon CXT-DM Manuals
Manuals and User Guides for Detcon CXT-DM. We have
1
Detcon CXT-DM manual available for free PDF download: Operator's Installation And Instruction Manual
Detcon CXT-DM Operator's Installation And Instruction Manual (58 pages)
Toxic Gas Sensors, O2 Deficiency Sensors
Brand:
Detcon
| Category:
Accessories
| Size: 3.6 MB
Table of Contents
Table of Contents
3
1 Introduction
5
Description
5
Figure 1 Sensor Assembly with J-Box and Smart Rechargeable Battery Pack
5
Modular Design
6
Figure 2 Construction of Electrochemical Toxic Sensor
6
Figure 3 Construction of Galvanic Cell
6
CXT-DM Intelligent Transmitter Module
7
Field Replaceable Sensor
7
Figure 4 Sensor Assembly Breakaway
7
Figure 5 Functional Block Diagram
7
Figure 6 Plug-In Sensor
7
CXT Wireless Network
8
Battery Pack Options
8
Detcon's Smart Battery Pack
8
D Cell Lithium Battery Pack
9
Figure 7 Smart Battery Pack
9
Figure 8 Quad Battery Charger
9
Tri-C Lithium Battery Pack
10
Figure 9 D-Cell Lithium Battery Pack
10
Figure 10 Tri C Lithium Battery Holder
11
2 Installation
12
Hazardous Locations Installation Guidelines for Safe Use
12
Figure 11 Approval Labels
12
Sensor Placement
13
Sensor Contaminants and Interference
15
Sensor Mounting
15
Figure 12 CXT-DM Sensor with D or Smart Battery Pack Mounting Dimensions
16
Figure 13 CXT-DM Sensor with Lithium Battery Pack
17
Electrical Installation
18
Applying Power to the Unit
18
Initial Start up
19
Toxic Gas Sensors
19
Figure 14 Terminal Interconnect for Smart Battery Pack
19
O 2 Deficiency Sensors
20
3 Operation
22
Figure 15 Magnetic Programming Tool
22
Figure 16 Magnetic Programming Switches
22
Operator Interface
23
Calibration Mode
24
Figure 17 Menu Flow Chart
24
Autozero
25
Autospan
26
Normal Operation
24
Program Mode
27
Navigating Program Mode
28
View Sensor Status
28
Set Detection Range
30
Set Autospan Level
30
Bump Test
30
Restore Defaults
31
Set RF Channel
31
Alarm Settings
32
Set Modbus ID
32
Fault Diagnostic/Failsafe Feature
32
4 Modbus™ Communications
33
General Modbus™ Description
33
Modbus™ Exceptions
33
Figure 18 Modbus™ Frame Format
33
Modbus™ Broadcast Requests
34
Modbus™ Register Map & Description
34
Table 1 Exception Codes
34
Table 2 CXT-DM Register Map
35
CXT Sensor Registers
36
CXT Transceiver Registers
37
5 Service and Maintenance
39
Replacement of the Batteries/Battery Pack
39
Units with 12V Smart Battery Pack
39
Units with D-Size Non-Rechargeable Batteries
39
Units with Tri 'C' Sized Lithium Battery Holder
40
Figure 19 Battery Orientation Diagram
40
Replacement of Plug-In Sensor
41
Figure 20 Battery Orientation Diagram
41
Replacement of ITM - Aluminum J-Box
42
Figure 21 Sensor Cell and ITM Mating
42
Replacement of ITM - Stainless Steel Mini Condulet
43
6 Troubleshooting Guide
44
7 Customer Support and Service Policy
46
8 CXT-DM Sensor Warranty
47
9 Appendix
48
Specifications
48
System Specifications
48
Environmental Specifications
48
Electrical Specifications
48
Mechanical Specifications (ITM Only)
49
Sensor Specific Data
49
Table 3 Sensor Specific Data
49
Interference Table
51
Table 4 Interfering Gases
51
Table 5 Cross Interference Table
53
Spare Parts, Sensor Accessories, Calibration Equipment
57
Revision Log
58
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