Rockwell Automation 20-COMM-Q ControlNet Adapter User Manual

Page 180

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6-52

Using Explicit Messaging

20-COMM-C/Q ControlNet Adapter User Manual
Publication 20COMM-UM003F-EN-P

SLC 500 Controller Example Set Attribute Single Request Data

In this message example, we use the data table address in

Figure 6.64

to

store the request value (10.0 sec.) that was written to drive parameter 140 -
[Accel Time 1]. To determine the data type for the parameter and its
required scaling, see the specific drive documentation.

Figure 6.64 Example Set Attribute Single Request Data File

Figure 6.65

shows example ladder logic to correctly format the three

possible data types for set messages of different parameter types in the SLC
500 controller.

Figure 6.65 Example Ladder Logic to Format Parameter Data Types for Sets

For 16-bit Integer
Parameters – All
PowerFlex 7-Class
Drives

For 32-bit Integer
Parameters – All
PowerFlex 7-Class
Drives

For 32-bit REAL
(Floating Point)
Parameters –
PowerFlex 700S
and PowerFlex
750-Series Drives

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