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Detcon FP-524D User Manual
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INSTRUCTION MANUAL
Detcon Model
FP-
524D
PGM 1
PGM 2
MODEL FP-524D
HOUSTON, TEXAS
FLT 1 2 CAL
MicroSafe LEL Gas Sensor
ALM ALM
TM
FP
-
524D
Combust
ible Gas
Sensor
(0 –
100% LEL)
DETCON, Inc.
4055 Technol
ogy Forest Bl
vd, Suite 100,
The Woodlands
, Texas 77381
Ph.281.367.4
100 / Fax 281
.298.2868
www.detcon.
com
June 06, 2018
• Document #
3597
• Revision
1.6
2
Table of Contents
Default Chapter
3
Table of Contents
3
1 Introduction
5
Description
5
Figure 1 Sensor Assembly Front View
5
Figure 2 Sensor Cell Construction
6
Figure 3 Wheatstone Bridge
6
Figure 4 Response Curves
6
Modular Mechanical Design
7
Figure 5 Circuit Functional Block Diagram
7
Figure 6 FP-524D Transmitter Module
7
Figure 7 LEL Sensor Housing with Replaceable Sensor
8
Figure 8 Base Connector Board
8
2 Installation
9
Operational Guidelines for Safe Use
9
Sensor Placement
9
Sensor Contaminants and Interference
10
Mounting Installation
11
Electrical Installation
11
Figure 9 Typical Outline and Mounting Dimensions
11
Figure 10 Typical Installation
12
Field Wiring
13
Figure 11 Sensor Connector PCB
13
Table 1 Wire Gauge Vs. Distance
13
Remote Mounting Installation
14
Figure 12 Remote Sensor Wiring Diagram
14
Bridge Voltage Adjustment
15
Initial Start up
15
3 Operation
16
Programming Magnet Operating Instructions
16
Figure 13 Magnetic Programming Tool
16
Figure 14 Magnetic Programming Switches
16
Operator Interface
17
Figure 15 FP-524D Software Flowchart
18
Normal Operation
19
Calibration Mode (Autozero and Autospan)
19
Autozero
19
Autospan
20
Program Mode
21
View Sensor Status
22
Set Autospan Level
24
Set Gas Factor
24
Set Cal Factor
25
Table 2 Gas/Cal Factors
25
Set Bridge Voltage
26
Signal Output Check
27
Restore Factory Defaults
27
Alarm 1 and 2 Settings
28
Fault Settings
28
Program Features
29
Operational Features
29
Fault Diagnostic/Failsafe Features
29
4 Service and Maintenance
32
5 Troubleshooting Guide
34
Figure 16 Replaceable Combustible Gas Sensor
34
6 Customer Support and Service Policy
37
7 FP-524D Sensor Warranty
38
8 Appendix
39
Specifications
39
Spare Parts, Sensor Accessories, Calibration Equipment
41
Revision Log
42
4
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Detcon FP-524D Specifications
General
Brand
Detcon
Model
FP-524D
Category
Accessories
Language
English
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