Hach ORBISPHERE K-M1100 Basic User Manual page 11

4.7.1 Main board
Figure 4 Main board
Connector P8
The numbers listed below refer to the 13 available P8 connections (from left to right) in
1. RS-485 (signal A)
2. RS-485 (signal B)
3. PROFIBUS-DP (GND)
4. PROFIBUS-DP (+ 5 V)
5. PROFIBUS-DP (signal -)
6. PROFIBUS-DP (signal +)
7. PROFIBUS-DP (signal RTS)
Connector P3
Ethernet RJ 45. Connect the instrument to the local network by passing an ethernet cable through
the ethernet cable gland (gland location illustrated in
P3 connector illustrated in Figure 4.
Figure 5 Connector P8
8. Not used
9. Not used
10. Not used
11. System alarm relay (N.O.)
12. System alarm relay (N.C.)
13. System alarm relay (Common)
Figure 1 on page 8) and connecting to the
Figure 5.
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