Publication 1769-UM009B-EN-P - May 2002
Using the 1769-SDN Scanner Module with CompactLogix Controllers 6-13
All tags for I/O modules are automatically created when the profiles
for these modules are configured. Double click on Controller Tags in
the controller organizer to view these tags. Each I/O module slot has
Input, Output and Configuration tags created, if they apply. These
Local I/O tags are structured as follows:
Each of these tags can be further expanded by clicking the plus sign
to the left of its entry. For example, click the [+] to the left of Local:3:I
and the following tags appear:
Local:3:I.Fault
Local:3:I.Data
The Fault tag is a DINT, so clicking its plus sign only reveals its 32
bits. This is status information concerning the module’s connection to
the CompactLogix controller. Clicking the plus sign to the left of the
Data tag reveals the 80 input words created when this value was
entered into the Generic profile for the scanner. For this example, the
input addresses for the scanner are broken down as follows:
The Output tag created for the scanner is as follows:
Local:3:O
Click the [+] to its left to reveal Local:3:O.Data.
Click the [+] to its left and the 5 words of output data created when
you created the Generic profile for the scanner will be displayed. This
output data is broken down as follows for this example:
Table 6.5 Local I/O Tag Structure
Tag Definition
Local:s:I s is the slot number
I represents Input Data
Local:s:O O represents Output Data
Local:s:C C represents Configuration Data
Table 6.6 1769-SDN Input Addresses
Tag Definition
Local:3:I.Data[0] through Local:3:I.Data[65] Read Only Status
Local:3:I.Data[66] through Local:3:I.Data[67] 1769-ADN Status Information
Local:3:I.Data[68] Input Data from 1769-IA16
Local:3:I.Data[69] Input (output echo) Data from 1769-OB16
Local:3:I.Data[70] through Local:3:I.Data[75] Input Data from 1769-IF4
Local:3:I.Data[76] through Local:3:I.Data[79] Input Data from 1769-OF2
Allen-Bradley Drives
To Next Page
Loading...
