Rockwell-automation 1766-Lxxxx MicroLogix 1400 Programmable Controller User Manual download pdf (Page 329)

Rockwell Automation Publication 1766-UM001H-EN-P - May 2014 289

MicroLogix 1400 Distributed Network Protocol (DNP3) Appendix F

Default Directories and Files

The MicroLogix 1400 has default directories and files for file handling in a

DNP3 subsystem.

The default directories and files can be read from the controller using the

function code OPEN_FILE(25), Read(1), and CLOSE_FILE(26).

Currently supported directories are "/EXE" and "/DIAG". Supported files are

listed in this section. These directories/files cannot be removed and cannot be

created using DNP3 requests.

• The directory/file names must all be in capital letters.

• Root level can only be a directory marker. The directory marker is "/" for

Series A, or "\" for Series B.

• Directory level can only contain directories.

• File level can only contain files.

Note that the directory marker is different in the MicroLogix 1400 Series A and

Series B controllers. The directory marker is "/" for Series A and "\" for Series B

controllers. In this document, "/" is used to explain File Object feature.

Generating *.IMG files using RSLogix 500/RSLogix Micro

Typically, RSLogix 500/RSLogix Micro stores the ladder program as "RSLogix

Files (*.RSS)". However, to download a ladder program using a File Object via

DNP3 network, you must save your ladder program in the "RSLogix IMG Files

(*.IMG)" format.

Supported Files and Directories

Root

Level

Directory

Level

File Level Full name string to access

"/" "/"

"EXE" "/EXE"

"[processorName].IMG" "/EXE/[processorName].IMG"

"DIAG" "/DIAG"

"CH0.CSF" "/DIAG/CH0.CSF"

"CH1.ESF" "/DIAG/CH1.ESF"

"CH2.CSF" "/DIAG/CH2.CSF"

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