Rockwell Automation 1756-XXXX ControlLogix Analog I/O Modules - Manual (Page 168)

168 Publication 1756-UM009C-EN-P - December 2010
Chapter 8 Isolated Analog Output Modules (1756-OF6CI and 1756-OF6VI)
Choose a Data Format Data format defines the format of channel data sent from the controller to the
module, defines the format of the ‘data echo’ that the module produces, and
determines the features that are available to your application. You choose a
data format when you choose a
Communication Format .
You can choose one of these data formats:
• Integer mode
• Floating point mode
The table shows features that are available in each format.
For details on input and output data formats, see page 205 in Chapter 10 .
Isolated Output
Module Features The table lists features that are specific to the isolated analog
output modules.
Features Available in Each Data Format
Data Format Features Available Features Not Available
Integer mode Ramp to program value
Ramp to fault value
Hold for initialization
Hold Last State or User Value in
fault or program mode
Clamping
Ramp in Run mode
Rate and Limit alarms
Scaling
Floating point mode All features N/A
Isolated Analog Output Module Features
Feature Page
Ramping/Rate Limiting 169
Hold for Initialization 169
Clamping/Limiting 170
Clamp/Limit Alarms 170
Data Echo 171