Campbell-scientific NL100 Network Link Interface Manuale Utente Scaricare il pdf (Pagina 37)

Appendix D. RS-485 Connector, 3-Pin

Terminal Block

The RS-485 port is for connecting an MD485 multidrop interface to the

NL100. The MD485 attaches to the NL100 via a twisted pair cable such as the

#9720. The following table shows the pin-out information for the RS-485 port.

PIN I/O FUNCTION

1 GND Signal Ground

2 I/O 485_IO- (A)

3 I/O 485_IO+ (B)

I = Signal Into the NL100, O = Signal Out of the NL100

D-1

1 2 ... 32 33 34 35 36 37 38 39 40 41 42

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Campbell-scientific NL100 Network Link Interface Manuale Utente Pagina 37