Hach NV3300 Manual Del Usuario página 11

Extension cables are available if a longer cable is necessary. Connect the probe cable to an
available COM port on the controller. Refer to the controller documentation for more information
about the COM ports and the probe connection.
Figure 6 Connect the probe to the controller
Figure 7 M12 industrial plug—Face view (male)
Number
1
2
3
4
5
6
7
8
Table 3 Pin assignment for the 8-pin connector
Description
RS232 RX / RS485 A (commands)
Ground (Power + serial interface)
ETH_TX+
ETH_TX–
Power (12 to 24 VDC)
ETH_RX+
ETH_RX–
RS232 TX / RS485 B (data)
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