FX Supervisory Controller Installation Instructions 15
Communications Wiring
Connect communications wiring to the ports on the
bottom of the FX20/FX60.
Prior to connecting cables, provide strain relief for
them to prevent damage to the controller.
FIG:FX20 _BtmSde
Battery in bracket
(on top of option
cards, if any)
Battery
Connector
Option Slot area
(Slot #1 this side)
RS-232
(DB-9)
COM1
RS-485
(3-position)
COM2
Barrel power
connector for
power module
Earth Ground
Spade Lug
20-pin
Connector
(I/O and Power
Modules)
Ethernet (RJ-45)
LAN 2
Primary Ethernet (RJ-45)
LAN 1
Figure 9: FX20/FX60 Bottom Side (Cover Removed)
Ethernet Port
Two female 10/100-Mbit Ethernet connections are
provided on the FX20/FX60. These connections are
capable of running at either 10 Mbps or 100 Mbps; the
controller automatically adjusts to either speed. This
means the FX20/FX60 can exist on the same network
with a mixture of 10BaseT and 100BaseTX hardware
connected to a smart 10/100 hub capable of adjusting
to the devices it supports.
Two RJ-45 connectors labeled LAN1 and LAN2 are
provided for the Ethernet connections (Figure 9). Use
a standard Ethernet patch cable for connecting to a
hub or Ethernet switch. An activity LED for each
Ethernet port is visible, labeled LAN1 and LAN2 on the
cover.
The factory default IP address for LAN1 is
192.168.1.149. By default, LAN2 is disabled.
Note: Typically, you only use LAN1 (primary port). If
you have a specific application for isolating a driver’s
network traffic to a separate local area network (LAN),
you can use LAN2. Do not use LAN2 as the primary
port.
Serial Ports
The FX20/FX60 has two serial ports (see Figure 9).
Each port has a Universal Asynchronous Receive
Transmit (UART) capable of operation of up to
115,200 baud. The left port is an RS-232 port that
requires a DB-9 male plug connector. The right port is
a non-isolated RS-485 port that uses two wires with a
shield connection and a screw-terminal connector
plug. In addition, the FX60 controller has a standard
Universal Serial Bus (USB) port (not shown).
Note: A green receive LED and yellow transmit LED
are provided for each serial port. These LEDs are
located on the bottom board opposite of the serial
connectors (see Figure 6). The LEDs are labeled on
the board (COM1, COM2) and are not visible with the
cover on.
RS-232 Port
An RS-232 serial port uses a DB-9 male connector
and always operates as COM1. You can use a
standard DB-9 serial cable with this port. The
FX20/FX60 is a serial Data Terminal Equipment (DTE)
device, so connecting another DTE device (computer)
requires a null modem cable. To connect the
FX20/FX60 to a Data Communication Equipment
(DCE) device (modem), use a straight-through cable.
Table 4 provides the standard serial DB-9 pinouts.
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