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ProSoft Technology MVI56-DFCMR User Manual

Page 68

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MVI56-DFCMR ♦ ControlLogix Platform

Reference

DF1 Interface Module with Reduced Data Block

Page 68 of 113

ProSoft Technology, Inc.

October 20, 2008

Module's Internal Database Structure

5000 registers for user data

0

Register Data

4999

3000 words of configuration and
status data

5000

Status and Config

7999

Data contained in this database is paged through the input and output images by
coordination of the ControlLogix ladder logic and the MVI56-DFCMR module's
program. Up to 42 words of data can be transferred from the module to the
processor at a time. Up to 42 words of data can be transferred from the
processor to the module. The read and write block identification codes in each
data block determine the function to be performed or the content of the data
block. The module uses the following block numbers:

MVI56-DFCMR Block Assignments

Block Range

Descriptions

-1

Status data block

0

Status data block

1 to 250

Read or write data

1000

Event Port 1

2000

Event Port 2

3000 to 3001

Port 1 slave polling control

3002 to 3009

Port 1 slave status

3100 to 3101

Port 2 slave polling control

3102 to 3109

Port 2 slave status

5001 to 5006

Port 1 command control

5101 to 5106

Port 2 command control

6000 to 6033

Port 1 commands (sent to module)

6100 to 6133

Port 2 commands (sent to module)

7000 to 7004

Port 1 Override File Maps (Sent to module)

7100 to 7104

Port 2 Override File Maps (Sent to module)

9000

Backplane Configuration data (sent to module)

9001

DFCM Port 1 Configuration (sent to module)

9002

DFCM Port 2 Configuration (sent to module)

9998

Warm-boot control block

9999

Cold-boot control block