Rockwell Automation 1440-SPD02-01RB XM-220 Dual Speed Module User Manual
Page 27
Publication GMSI10-UM004B-EN-P - May 2010
Installing the XM-220 Dual Speed Module 19
6
Positive Buffer Bias
Provides positive (-5V to +24V) voltage compliance to buffered outputs
Connect to terminals 5 (CH 1) and 22 (CH 2) for positive bias transducers
7
TxD
PC serial port, transmit data
8
RxD
PC serial port, receive data
9
XRTN
1
Circuit return for TxD and RxD
10
Chassis
Connection to DIN rail ground spring or panel mounting hole
11
4-20mA 1 (+)
4-20mA output
300 ohm maximum load
12
4-20mA 1 (-)
13
Chassis
Connection to DIN rail ground spring or panel mounting hole
14
Chassis
Connection to DIN rail ground spring or panel mounting hole
15
Chassis
Connection to DIN rail ground spring or panel mounting hole
16
Xducer 1 (-)
1
Transducer 1 connection
17
Xducer 2 (-)
1
Transducer 2 connection
18
Buffer Common
1
Buffered output return
19
Overspeed/Circuit
Fault
Overspeed and circuit fault output signal
Used as input by the EODS Relay module
20
Switched Buffer (-)
Switched buffered output for use with redundant mode (inverted signal)
21
Buffer/Xducer Pwr (-) Provides negative (-24V to +9V) voltage compliance to buffered outputs
Connect to terminals 5 (CH 1) and 22 (CH 2) for negative bias transducers
Transducer power supply output, negative side; used to power external
sensors (40mA maximum load)
22
Buffer Power 2 IN
Channel 2 buffer power input
Connect to terminal 6 for positive biased transducers or terminal 21 for
negative biased transducers
23
CAN_High
DeviceNet bus connection, high differential (white wire)
24
CAN_Low
DeviceNet bus connection, low differential (blue wire)
25
+24V Out
Internally connected to 24V In 1 (terminal 44)
Used to daisy chain power if XM modules are not plugged into each other
26
DNet V (+)
DeviceNet bus power input, positive side (red wire)
27
DNet V (-)
DeviceNet bus power input, negative side (black wire)
28
24V Common
1
Internally connected to 24V Common (terminals 43 and 45)
Used to daisy chain power if XM modules are not plugged into each other
If power is not present on terminal 44, there is no power on this terminal
29
4-20mA 2 (+)
4-20mA output
300 ohm maximum load
30
4-20mA 2 (-)
31
Chassis
Connection to DIN rail ground spring or panel mounting hole
32
Chassis
Connection to DIN rail ground spring or panel mounting hole
33
Chassis
Connection to DIN rail ground spring or panel mounting hole
34
Chassis
Connection to DIN rail ground spring or panel mounting hole
Terminal Block Assignments
No.
Name
Description