Rockwell Automation Publication 1756-PM004D-EN-P - September 2012
49
Organizing Tags
Chapter
2
The following logic was initially programmed by using descriptive tag names,
such as stop and conveyor_on. Later, the tags were converted to aliases for the
corresponding I/O devices.
42351
Display Alias Information
Follow these steps to show (in your logic) the tag to which an alias points.
1.
From the Tools menu, choose
Options
.
2.
Click the
Ladder Display
tab.
3.
Check
Show Tag Alias Information
.
4.
Click
OK
.
stop
<Local:2:I.Data.1>
start
<Local:2:I.Data.0>
machine_on
machine_on
drill_1_on
<Local:0:O.Data.2>
drill_1.part_advance
conveyor_on
<Local:0:O.Data.0>
stop is an alias for Local:2:I.Data.1 (the
stop button on the operator panel)
conveyor_on is an alias for
Local:0:O.Data.0
The starter contactor for the conveyor
motor)
Summary of Contents for 1756-L65 ControlLogix 5565
Page 4: ...2 Rockwell Automation Publication 1756 PM004D EN P September 2012 Summary of Changes Notes...
Page 8: ...6 Rockwell Automation Publication 1756 PM004D EN P September 2012 Preface Notes...
Page 66: ...64 Rockwell Automation Publication 1756 PM004D EN P September 2012 Chapter 3 Force I O Notes...
Page 88: ...86 Rockwell Automation Publication 1756 PM004D EN P September 2012 Index...
Page 89: ......