Name: Siemens SIMATIC NET S7-1500
Brand: Siemens
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Configuration, programming

4.7 FTP communication

CP 1543-1

44 Operating Instructions, 12/2019, C79000-G8976-C289-08

You make the data block assignment in the STEP 7 configuration of the CP (FTP

configuration).

Figure 4-3 S7-CPU with CP 154x-1 as FTP server for the S7 CPU data

DB assignment in STEP 7

The fields of the table in the data block assignment in STEP 7 have the following meaning

and syntax:

Column title

CPU

File name

Comment

Meaning

Assignment of the CPU

Selectable from drop-

down list

No. of the data block

(file DB)

Selectable from drop-

down list

The file name assigned

to the file DB

Automatic name pro-

posal; entry can edita-

ble.

Informal comment

Example

cpu1 [PLC_1] 20 cpu1_db20.dat Measured values plant

Notes on the syntax

The following applies to the file name of a file DB:

● The file name begins with "cpuX" (where X=1 for S7-1500).

Note

Keep to the

notation (lower case for "cpu" and no leading spaces at the start of the row).

Otherwise, the files will not be recognized.

● Length: maximum 64 characters (including "cpuX")

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Siemens SIMATIC NET S7-1500 Specifications

General