Modbus Network Connection (Nlc-03; Rj11 To Open End For 4-Wire Rs-485 Connections; Rj-12 To Open End For 2-Wire Rs-485 Connection - Phoenix Contact Nanoline Series User Manual

2338_en_O
Pin 1
Figure 2-7

RJ11 to open end for 4-wire RS-485 connections

For 2-wire RS-485 communications, jumper TX+ and RX+ together and TX- and RX-
together. 2-wire communications limits the Nanoline to performing Modbus commands
only. 4-wire communication allows all Nanoline communications (connection, upload and
download of projects, Modbus communication, monitoring) except firmware updates.
2.2.3 Modbus network connection (NLC-03... only)
The NLC-035... is capable of two-wire RS-485 connection for Modbus communication. A
six-pin RJ12 connector attaches to the bottom of the controller, opposite the power
connections.
Pin 1
Figure 2-8

RJ-12 to open end for 2-wire RS-485 connection

Installation and connection of Nanoline components
RJ11
TX+
2
3
TX-
RX+
4
5
RX-
RJ12
TX+
5
6
TX-
open
black TX+
red TX-
green RX+
white RX-
open
black TX+
red TX-
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