Connecting the power supply – Rockwell Automation 1440-RMA00-04RC XM-440 Master Relay Module User Manual
Page 27

Rockwell Automation Publication GMSI10-UM009D-EN-P - June 2011
Installing the XM-440 Master Relay Module 27
Connecting the Power Supply
Power supplied to the module must be nominally 24 Vdc (±10%) and must be
a Class 2 rated circuit.
Wire the DC-input power supply to the terminal base unit as shown in Figure
2.8.
Figure 2.8 DC Input Power Supply Connections
42
Relay 2 N.C. 1
Relay #2 Normally Closed contact 1
43
Relay 3 N.C. 2
Relay #3 Normally Closed contact 2
44
No Connection
45
Relay 3 N.C. 1
Relay #3 Normally Closed contact 1
46
Relay 4 N.C. 2
Relay #4 Normally Closed contact 2
47
Relay 4 N.C. 1
Relay #4 Normally Closed contact 1
48
No Connection
49
Chassis
Connection to DIN rail ground spring or panel mounting hole
50
DNet V (-)
DeviceNet bus power input, negative side (black wire)
51
CAN_Low
DeviceNet bus connection, low differential (blue wire)
Terminal Block Assignments
No.
Name
Description
-
24V dc
Power
Supply
+
-
IMPORTANT
A Class 2 circuit can be provided by use of an NEC Class 2
rated power supply, or by using a SELV or PELV rated
power supply with a 5 Amp current limiting fuse installed
before the XM module(s).