XA02751C
2-Pack/3-Pack TDLAS Gas Analyzer
22
Hauser
2
8
1
14
13
15
11
12
10
3
19
18
6
4
16
17
7
Figure 5–1 Analyzer A ARM9 electronics control board (AC) showing signal
terminal block and alarm relays
5
1. Terminal block TB2, output signals
2. Relay driver and 4-20 mA control board
stack
3. AC power supply
4. Hytek temperature controller
5. Signal converter RS-232 to RS-485
(optional)
6. Component ground
9
7. Protective ground
8. Fuse (F1)
9. Fuse (F2)
10. Customer ground
11. Assignable alarm
12. General fault alarm
13. NO (normally open)
14. COMMON
15. NC (normally closed)
16. Terminal block (TB3), inter
-
nal pressure/temperature
17. Alarm/signal relays
18. ARM9 control board stack
19. Backplane
Summary of Contents for 2-Pack TDLAS
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