
Gas Detection (Australia) Pty Ltd Page 4 of 44 M-GDA-3000 Rev 1
Table of Contents
1. Introduction ............................................................................................................................6
2. Structure .................................................................................................................................6
3. Specification............................................................................................................................7
4. Name of Components and Main Features.................................................................................8
4.1. Components ....................................................................................................................................8
4.2. Components Description .................................................................................................................9
5. Terminal Wiring Diagram .......................................................................................................11
5.1. Separation of Detector Body and Cover........................................................................................11
5.2. Main PCB Configuration................................................................................................................12
5.2.1 Main PCB configuration ..........................................................................................................12
5.2.2. HART Board configuration .....................................................................................................13
5.3. Main PCB terminal description and wiring method ......................................................................14
5.3.1. RELAY DRIVE TYPE WIRING METHOD ....................................................................................15
5.3.2. 4~20mA SOURCE DRIVE TYPE WIRING METHOD...................................................................16
5.3.3. 4~20mA SINK DRIVE TYPE WIRING METHOD.........................................................................17
5.3.1. Connection method with our main Control Unit ...................................................................18
6. Standard Type outside view and Dimensions..........................................................................19
7. Warning light type: Outside view and Dimensions ..................................................................20
8. Raincover type: Outside view and Dimensions .......................................................................21
9. Menu Configuration Table .....................................................................................................22
10. Detector activation Flow and KEY operation .......................................................................25
10.1. Sensor activation Flow ................................................................................................................25
10.2. Sensor KEY configuration and description ..................................................................................25
11. Detailed Description of Operational States and Menu.........................................................26
11.1. Initial State (Power On)...............................................................................................................26
11.2. Gas Measuring Mode..................................................................................................................26
11.3. How to Set PROGRAMMABLE MODE..........................................................................................27
11.4. How to use Calibration Mode ..................................................................................................... 28
11.4.1. Zero Calibration and Span Calibration .................................................................................28
11.5. How to set alarm in Alarm mode ................................................................................................30