Rockwell-automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command Manual de usuario descargar pdf (Pagina 209)

12–6 Uploading and Downloading with A-B Processors

Publication

17706.5.16 - October 1996

Uploading from an SLC 500 Processor

1. Open the directory to be read using open file. (For more on open

file, see page 7–13.)

2. Read the directory using file read. (For more on file read,

see page 7–10.)

File read

This may take more than one transaction.

3. Read all other processor files using logical reads. (For more on

logical reads, see page 7–17.)

4. Close the program file 0, using close file. (For more on close file,

see page 7–5.)

A download replaces the program in an SLC processor.

Important: This process may take several seconds to complete.

Therefore, you must stop the PLC processor during

download to prevent the PLC processor from executing

a program that is changing.

The SLC processor’s interface must prevent other stations from

accessing the data table during download, because it may only be

partially complete. The interface must also prevent a programming

terminal from accessing the program during download. To help

make sure that your SLC interface prevents access to the data table

during download, use these download procedures.

To download information to See page

PLC2 processors 12-7

PLC3 processors 12-8

PLC5 processors 12-8

SLC 500 processors

12-10

Downloading to the

Processor

1 2 ... 204 205 206 207 208 209 210 211 212 213 214 ... 250 251

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Rockwell-automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command Manual de usuario Pagina 209