Rockwell Automation 1440-RMA00-04RC XM-440 Master Relay Module - Manual (Page 34)

Rockwell Automation Publication GMSI10-UM009D-EN-P - June 2011
34 Installing the XM-440 Master Relay Module
• Mini-Connector - The mini-connector is located on the top of the
XM-440, as shown below.
Figure 2.15 Mini-Connector
A special cable (Cat. No. 1440-SCDB9FXM2) is required for this
connection. The connector that inserts into the PC is a DB-9 female
connector, and the connector that inserts into the module is a USB
Mini-B male connector.
DeviceNet Connection
The XM-440 includes a DeviceNet™ connection that allows the module to
communicate directly with a programmable controller, distributed control
system (DCS), or another XM module.
DeviceNet is an open, global, industry-standard communications network
designed to provide an interface through a single cable from a programmable
controller to a smart device such as the XM-440 module. As multiple XM
modules are interconnected, DeviceNet also serves as the communication bus
and protocol that efficiently transfers data between the XM modules.
MASTER RELAY
1440-RMA00-04RC
mini-connector
WARNING
If you connect or disconnect the serial cable with power
applied to this module or the serial device on the other end
of the cable, an electrical arc can occur. This could cause an
explosion in hazardous location installations. Be sure that
power is removed or the area is nonhazardous before
proceeding.
IMPORTANT
If 24V Common is not referenced to earth ground, we
recommend you use an RS-232 isolator, such as Phoenix
PSM-ME-RS232/RS232-P (Cat. No. 1440-ISO-232-24), to
protect both the XM module and the computer.