Rockwell-automation 5720 DriveLogix System Instrukcja Użytkownika Pobierz pdf (Strona 174)

Publication 20D-UM002C-EN-P - November 2003

7-28 Communicating with Devices on a ControlNet Link

Example 3: DriveLogix

Controller to Other Devices

In the following example, one DriveLogix controller communicates with a

Logix5550 controller and a ControlNet PLC-5 controller over ControlNet.

Example 3: Sending MSG instructions

You configure a MSG instruction to a Logix5550 controller the same as you

do for a DriveLogix controller. All Logix-based controllers follow the same

MSG configuration requirements. See Example 2 above.

Configuring a MSG instruction for a PLC-5 controller depends on the

originating controller.

For MSG instructions originating from the DriveLogix controller to the

ControlNet PLC-5 controller:

DriveLogix controller

(DriveLogix1)

ControlNet

ControlLogix controller

(Control1)

ControlNet PLC-5 controller

(PLC5C1)

DriveLogix controller

(DriveLogix2)

Distributed control with a

ControlLogix controller as the

coordinating controller

Type of Logix MSG instruction: Source: Destination:

Typed Read any integer element (such as B3:0,

T4:0.ACC, C5:0.ACC, N7:0, etc.)

SINT, INT, or DINT tag

any floating point element (such as F8:0,

PD10:0.SP, etc.)

REAL tag

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Rockwell-automation 5720 DriveLogix System Instrukcja Użytkownika Strona 174