Rockwell Automation 1769-OF4VI Compact I/O Isolated Analog Modules - Manual (Page 114)

Publication 1769-UM014B-EN-P - May 2010
D-10 Configure Modules in a Remote DeviceNet System with a 1769-ADN DeviceNet Adapter
3. Click on the Configuration Settings button to see what the eleven input
and nine output words represent.
The eleven input words contain channel diagnostic data for the eight
channels. The nine output words contain the actual analog output data
for the eight channels along with one additional word containing the
control bits for unlatching alarms.
4. Click OK or Cancel to exit this screen and return to the Configuration
screen.
5. Select No Input Data under Input Data Size if your application requires
only the data words and not the status information.
The Input Size changes to 0, while the Output Size remains at nine
words. The Revision number for 1769-OF4CI module is two. With this,
you may leave the Electronic Keying to Exact Match. It is not
recommended to disable keying, but if you are unsure of the exact
revision of your module, selecting Compatible Module allows your
system to operate, while still requiring a 1769-OF4CI module in slot 2.
1769-OF4CI External Power Example
The 1769-OF4CI module allows external 24V dc power. The external power
connection allows you to draw 24V dc power for the module from your
external source, should your 1769 power supply not provide enough 24V dc
power for your particular set of 1769 I/O modules.
If you are using external 24V dc power for your 1769-OF4CI module, you
must click the white box to the left of Using External +24v Power Source, so
that a check mark appears in the box. Do not click on the box if you are not
using external 24V dc power.