Hach sc1000 - Manual (Page 145)

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Figure 76 External base module
Table 49 Base Module Terminal Assignments
Terminal Terminal assignment Description
1 + 24 VDC Power Supply (+)
2 Not used —
3 0 V Power Supply (–)
4 PE (Protective Earth) Ground 24 V
5 + For sc1000 network expansion, coming
6 – For sc1000 network expansion, coming
7 Not used —
8 PE (Protective Earth) Ground network connection
9–12 Not used —
13 + For sc1000 network expansion, going
14 – For sc1000 network expansion, going
15 Not used —
16 PE (Protective Earth) Ground network connection