Rockwell Automation 5730 DriveLogix5730 Controller for PowerFlex 700S Drives with Phase II Control User Manual

Page 165

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Communicating with Devices on a ControlNet Link

7-25

The ControlNet PLC-5 controller stores floating-point data, which
requires 32-bits regardless of the type of controller, as follows:

The first integer contains the upper (left-most) bits of the value.

The second integer contains the lower (right-most) bits of the value.

To re-construct the floating point data within the ControlNet PLC-5
controller, first reverse the order of the integers and then copy them to a
floating-point file.

Consuming a Tag from a ControlNet PLC-5 Controller

To consume a tag from a ControlNet PLC-5 controller,:

1. In RSNetWorx software, open the ControlNet configuration of the

ControlNet PLC-5 controller, insert a Send Scheduled Message.

2. In RSLogix 5000 software, add the ControlNet PLC-5 controller to the

Controller Organizer.

3. Create a user-defined data type that contains these members:

4. Create a consumed tag with the following properties:

5. In the RSNetWorx for ControlNet software, reschedule (save)

the network.

Data type:

Description:

DINT

Status

INT[x], where “x” is the output size of the data
from the ControlNet PLC-5 controller. (If you are
consuming only one INT, no dimension is
required.)

Data produced by a ControlNet PLC-5 controller

For this tag property:

Type or select:

Tag Type

Consumed

Controller

The ControlNet PLC-5 that is producing the data

Remote Instance

The message number from the ControlNet configuration of the
ControlNet PLC-5 controller

RPI

A power of two times the NUT of the ControlNet network. For
example, if the NUT is 5ms, select an RPI of 5, 10, 20, 40, etc.

Data Type

The user-defined data type that you created.

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