Rockwell Automation 5720 DriveLogix System User Manual

Page 135

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

Communicating with Devices on an EtherNet/IP Link 6-19

The following table shows example source and destination tags and elements
for different controller combinations.

When the DriveLogix controller initiates messages to PLC or SLC controllers,
you do not have to map compatibility files. You enter the data table address of
the target device just as you would a tag name.

SLC 5/05 controllers, SLC 5/04 controllers (OS402 and above), and
SLC 5/03 controllers (OS303 and above) support logical ASCII addressing
and support PLC/SLC mapping (see the examples above). For all other SLC
or MicroLogix1000 controllers, you must map a PLC-2 compatibility file (see
the PLC-2 examples above).

Type of MSG Instruction:

Example Source and Destination:

PLC-5 writes to DriveLogix

SLC writes to DriveLogix

SLC 5/05

SLC 5/04 OS402 and above

SLC 5/03 OS303 and above

source element

N7:10

destination tag

“array_1”

The PLC-5, PLC-3, and SLC controllers support logical ASCII addressing so you do not
have to map a compatibility file for MSG instructions initiated by a PLC-5, PLC-3, or SLC
controller. Place the DriveLogix tag name in double quotes (“).

You could optionally map a compatibility file. For example, if you enter 10 for the
compatibility file, you enter N10:0 for the destination tag.

PLC-2 writes to DriveLogix

source element

010

destination tag

200

The destination tag is the three-digit PLC-2 address you specified for PLC-2 mapping.

PLC-5 reads from DriveLogix

SLC reads from DriveLogix

SLC 5/05
SLC 5/04 OS402 and above

SLC 5/03 OS303 and above

source tag

“array_1”

destination element

N7:10

The PLC-5, PLC-3, and SLC controllers support logical ASCII addressing so you do not
have to map a compatibility file for MSG instructions initiated by a PLC-5, PLC-3, or SLC
controller. Place the DriveLogix tag name in double quotes (“).

You could optionally map a compatibility file. For example, if you enter 10 for the
compatibility file, you enter N10:0 for the source tag.

PLC-2 reads from DriveLogix

source tag

200

destination element

010

The source tag is the three-digit PLC-2 address you specified for PLC-2 mapping.

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