Electronics Enclosure - Hach BioTector B7000 User Manual

4.1.2 Electronics Enclosure

Figure 2 and table 3 below shows the major electronics enclosure components of BioTector TOC TN
Analyzer.
Figure 2 BioTector electronics enclosure major components
2
7
10
Table 3 BioTector electronics enclosure major components
1 Mains Terminals
2 Power Supply (for Main Board/Motherboard)
3 Power Supply (for Pumps and Valves)
4 Power PCB (Mains PCB)
5 Main Power Switch
6
Relay Terminals
7 4-20mA Isolators
8
Relay PCB
9 Stream Alarm Terminals & 4-20mA Terminals
10
Ozone PCB
11 Stream Expansion PCB (Auxiliary PCB)
12 Signal PCB
13 NP I/O PCB (Nitrogen Phosphorus Input/Output PCB)
14
RS232 Data Cable
3
8
11
14
4
5
12
1
6
9
13
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