Controlnet analog output objects – Rockwell Automation PLC-5 Fieldbus Solutions for Integrated Architecture User Manual User Manual

Page 167

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Publication 1757-UM006A-EN-P - May 2002

Using the 1788-CN2FF, ControlNet-to-FOUNDATION Fieldbus H1 Linking Device 7-7

Figure 7.5 Sample Multiple Macrocycle AO Configuration

You do not have to connect to all the channels in an MAO block
instance before using another instance. You do not have to use the
channels in order. That is, you may use channels CN_OUT_A3 and
CN_OUT_A5 and not use any of the others.

As shown in the lower loop of Figure 7.5, you can connect the MAO
block to any parameter that is a float value and status combination. In
other words, you can bring values from a PLC processor to any
function block. The MAO block is not limited to interfacing with AO
function blocks.

ControlNet Analog Output Objects

The linking device creates an instance of a ControlNet AO object for
every wired channel in the MAO block instances. Each instance of the

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