Connections To Electronic Boards; Electronic Boards Connectors; Main Board Connections - Hach ORBISPHERE G1100 User Manual

3.7 Connections to electronic boards

Note: Any loose connection wires should be bundled tightly together with the use of nylon cable ties.

3.7.1 Electronic boards connectors

Connectors P8 on the main board, and J7 on the measurement board are made of two parts.
Push down carefully the black levers on either side of the connector and pull it out securely.
Perform all connections with these connectors unplugged. Once finished, attach the connectors
to the boards by pushing them firmly in place (levers up).

3.7.2 Main board connections

Connector P8:
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 +)
Connector P3
Ethernet RJ 45. Connect the instrument to the local network by passing an ethernet cable
through the ethernet cable gland (refer to
Figure 11 on page 28
Potential Instrument Damage. Delicate internal electronic components can be
damaged by static electricity, resulting in degraded performance or eventual failure.
Figure 13 Main board
for the panel mount). Connect to the P3 connector illustrated above.
NOTICE
Figure 14 Connector P8
Figure 15 Connector P3
7. PROFIBUS-DP (signal RTS)
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 7 on page 25 for the wall mount and
Installation
33