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

Page 163

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Communicating with Devices on a ControlNet Link

7-23

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:

The PLC-5 controller supports logical ASCII addressing so you do not have
to map a compatibility file for MSG instructions initiated by a PLC-5
controller. Place the DriveLogix tag name in double quotes (“).

Example 3: Producing and Consuming Tags

You can produce and consume tags with any Logix controller the same as
you do with a DriveLogix controller. All Logix controllers follow the same
requirements for producing and consuming tags. See Example 2 above.

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

Typed Write

SINT or INT tag

any integer element (such as B3:0, T4:0.ACC,
C5:0.ACC, N7:0, etc.)

REAL tag

any floating point element (such as F8:0,
PD10:0.SP, etc.)

Word Range Read

any data type (such as B3:0, T4:0, C5:0, R6:0,
N7:0, F8:0, etc.)

SINT, INT, DINT, or REAL

Word Range Write

SINT, INT, DINT, or REAL

any data type (such as B3:0, T4:0, C5:0, R6:0,
N7:0, F8:0, etc.)

Type of MSG Instruction:

Example Source and Destination:

PLC-5 writes to DriveLogix

source element

N7:10

destination tag

“array_1”

PLC-5 reads from DriveLogix

source tag

“array_1”

destination element

N7:10

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