Rockwell Automation 1738-EXT1, EXT3 ArmorPoint Extension Units - Manual (Page 4)

Publication 1738-IN018A-EN-E - December 2004
4 ArmorPoint Extension Units, Series A
Add I/O Modules to the
Extension Unit Add I/O modules to the extension unit. Refer to the illustration.
1. Position the module vertically above the extension unit and
mounting base. The module will bridge the extension unit and
the mounting base.
2. Push the module down until it engages the latching mechanism.
You will hear a clicking sound when the module is properly
engaged.
The locking mechanism will lock the module to the base.
MOD
NET
0
1
1738-OB2EM12/A
24V dc 0.5Amp
Out
0 1
ControlNet B
1738-ACNR
ControlNet A
X10 X1
Adapter
Status
PontBus
Status
ControlNet A
Status
ControlNet B Status
System
Power
Field
Power
A
U
X
P
O
W
E
R
1738-FPD
Power Distribution
A
U
X
P
O
W
E
R
MOD
NET
0
1
1738-OB2EM12/A
24V dc 0.5Amp
Out
0 1
Module will bridge the extension unit and the base
Module will bridge the extension unit and the base
43840
Add I/O modules to the extension unit