Detcon 1000_H2S User Manual
Page 3
Model 1000 H2S Echem
Model 1000 H2S Echem Instruction Manual
iii
Table of Contents
1.
Introduction ........................................................................................................................................ 1
1.1
DM-624 Sensor ............................................................................................................................... 1
1.2
Electrochemical Sensor.................................................................................................................... 2
1.3
Microprocessor Control Circuit........................................................................................................ 2
1.4
Base Connector Board ..................................................................................................................... 3
1.5
Interference Data ............................................................................................................................. 4
1.6
Explosion Proof Enclosures ............................................................................................................. 4
2.
Specifications ...................................................................................................................................... 5
3.
Installation .......................................................................................................................................... 6
3.1
Mounting......................................................................................................................................... 6
3.2
Gas Connections and Sampling System Notes.................................................................................. 6
3.3
Electrical Connections ..................................................................................................................... 9
3.4
Relays and RS-485 Setup............................................................................................................... 10
4.
Start Up............................................................................................................................................. 12
5.
Operating Software........................................................................................................................... 13
5.1
Programming Magnet Operating Instructions................................................................................. 13
5.2
Operating Software........................................................................................................................ 13
5.2.1
Normal Operation.................................................................................................................. 13
5.2.2
Calibration Mode................................................................................................................... 14
5.2.3
Program Mode....................................................................................................................... 14
5.2.4
Software Flow Chart.............................................................................................................. 16
6.
Calibration and Maintenance........................................................................................................... 16
6.1.1
Zero Calibration .................................................................................................................... 17
6.1.2
Span Calibration.................................................................................................................... 17
7.
Programming Alarms ....................................................................................................................... 19
7.1
Alarm Reset................................................................................................................................... 19
7.2
Other Alarm Functions .................................................................................................................. 19
8.
Programming Features..................................................................................................................... 19
9.
RS-485 Protocol ................................................................................................................................ 20
10.
Display Contrast Adjustment ........................................................................................................... 22
11.
Low Flow Fault Options ................................................................................................................... 22
12.
Sensor Replacement.......................................................................................................................... 23
13.
Troubleshooting ................................................................................................................................ 23
14.
Spare Parts........................................................................................................................................ 24
15.
Warranty........................................................................................................................................... 26
16.
Flow Diagrams .................................................................................................................................. 27
17.
Wiring Diagram................................................................................................................................ 29
Appendix C ................................................................................................................................................. 30
Revision Log ............................................................................................................................................ 30