XA02744C
TDLAS Gas Analyzer
44
Hauser
Figure 6–4 Electronics control board (DC) for dual-channel systems
17
1
2
3
TB2
14
7
8
5
6
4
10
9
11
13
12
16
15
1 4-20 mA Current Loop Board (stacked)
2 Power Supply
3 Fuse (F2)
4 Functional/Component Ground
5 Customer Ground
6 Protective Ground
7 Assignable Alarm Relay (CH A)
8 General Fault Alarm Relay (CH A)
9 Assignable Alarm Relay (CH B)
10 General Fault Alarm Relay (CH B)
11 NO (normally open)
12 Common
13 NC (normally closed)
14 4-20 mA & Serial Signal Connections
15 Backplane
16 Laser Driver Board
17 Temperature Control Board