Rockwell-automation 5730 DriveLogix5730 Controller for PowerFlex 700S Manuel d'utilisateur télécharger pdf (Page 64)

3-14 Placing and Configuring Local I/O

Sample tag names for this example:

Using aliases to simplify tag names

An alias lets you create a tag that represents another tag. This is useful for

defining descriptive tag names for I/O values. For example:

Direct Connections for I/O

Modules

Each local I/O module uses a direct connection to the DriveLogix5730

controller. A direct connection is a real-time, data transfer link between the

controller and an I/O module. The controller maintains and monitors the

connection between the controller and the I/O module. Any break in the

connection, such as a module fault, causes the controller to set fault status

bits in the input data area associated with the module.

Location: Example Tag Name:

input module in slot 1, LOCAL Bank 1 Local:1:C

Local:1:I

output module in slot 2, LOCAL Bank 1 Local:2:C

Local:2:I

Local:2:O

analog input module in slot 3, LOCAL Bank 2 Local:3:C

Local:3:I

analog output module in slot 4, LOCAL Bank 2 Local:4:C

Local:4:I

Local:4:O

analog input module in slot 5, LOCAL Bank 2 Local:5:C

Local:5:I

Example: Description:

I/O structure Local:1:I:Data[0].0

Local:1:I:Fault.0

The aliases describe the specific I/O

points.

alias light_on = Local:1:I:Data[0].0

module_failed = Local:1:I:Fault.0

ATTENTION: The DriveLogix5730 controller does not support

Removal and Insertion Under Power (RIUP). While the

DriveLogix5730 system is under power:

• any break in the connection between the power supply and the

controller (i.e. removing the power supply, controller, or an I/

O module) may subject the logic circuitry to transient

conditions above the normal design thresholds and may result

in damage to system components or unexpected behavior.

• removing an end cap or an I/O module may fault the

controller and may also result in damage to system

components.

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Rockwell-automation 5730 DriveLogix5730 Controller for PowerFlex 700S Manuel d'utilisateur Page 64

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