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Detcon 240 - User Manual
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Model 240
Gas Detection/Alarm System
Operator’s Installation and Instruct
ion Manual
DETCON, Inc.
3200 Research Forest Dr.,
The Woodlands, Texas 77387
Ph.281.367.4100 / Fax 28
1.298.2868
www.detcon.com
November 1, 2010 •
Document #2923 • Revision 1.8
2
Table of Contents
Main Page
Default Chapter
3
Table of Contents
3
1 Description
5
2 System Operation
6
Figure 1 System Operational Diagram
6
3 Specifications
7
4 Installation
8
Mounting and Cable Penetrations
8
Power and I/O Connections
8
AC Power
8
Figure 2 Dimensional View of Enclosure
8
DC Power
9
Analog 4-20 Ma Sensor Inputs
9
Figure 3 Power Input Schematic
9
Figure 4 Mother Board Layout
10
Serial Input Gas Sensors
11
Figure 5 Control Board Layout
11
Serial Polling of the Model 140 Controller
12
Relay Outputs
12
5 Start-Up
13
Power Switch Selections
13
Applying Power
13
Figure 6 Power Switch Configuration
13
6 System Configuration
14
Analog/Serial Input Selection
14
Password Protection
14
Navigating the Menus
14
PROG Key
14
Figure 7 Switch SW1
14
Up Arrow" Key
15
Down Arrow" Key
15
ENTER and Reset/Ack Key
15
Figure 8 Front Panel User Interface
15
Main Display Functions
16
User-Interface Menu Functions
16
Menu Flow Chart
17
Figure 9 Menu Flow Chart
17
Calibration Mode
18
Set # of Channels
18
Set Channel Range
18
Set Channel Type
18
Set Channel Alarms
19
Set Relay Functions
19
Set Date and Time
19
Set Modbus Address
20
View TWA and Peak Readings
20
View Event Records
20
Download History
20
Alarm Test Mode
21
Display Contrast
21
7 System Features
22
Modbus Communications
22
Download Procedure
24
Figure 10 Serial Connection and Jumper Locations
25
Figure 11 Invoking Hyper Terminal
25
Figure 12 Connection Description
26
Figure 13 Connect to Configuration
26
Figure 14 Communications Port Properties
27
Figure 15 Setting up Capture
27
Figure 16 Naming Capture File
28
Figure 17 Downloading Information
28
Figure 18 Saving File
29
8 Options
30
Option for Battery Back-Up Operation
30
Option for 4-20Ma Output(S)
30
Optional Interface PCB for Remote Display
30
Figure 19 Optional Plug-In Module for 4-20Ma Output and Remote Display
30
Optional Remote Alarm Reset/Acknowledge Switch
31
Optional Type Z Enclosure Purge Assembly
31
9 Troubleshooting Guide
32
10 Spare Parts
32
11 Warranty
32
Revision Log
33
Appendix A
33
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Detcon 240 Specifications
General
Brand
Detcon
Model
240
Category
Security System
Language
English
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