Siemens SIMATIC ET 200AL, System Manual

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Open User Communication
6.9 Setting up communication via FTP
Communication
136
Function Manual, 05/2021, A5E03735815-AJ
Procedure for setting up FTP client functionality
Requirement: The FTP server can be reached via the IPv4 network .
1. Configure an S7-1500 automation system with CPU and CP 1543-1 in the device view of the
Devices & networks editor of STEP 7.
At the same time, you need to select the check box "Permit access with PUT/GET
communication from remote partner (PLC, HMI, OPC, ...)" in the HW configuration of the
S7-1500 CPU under the "Protection" area navigation in the section "Connection
mechanisms".
2. Call the FTP_CMD instruction in the user program of the CPU.
3. Set the connection parameters for the FTP server in the FTP_CMD instruction.
4. Create a global DB and within this DB a tag of the type FTP_CONNECT_IPV4,
FTP_CONNECT_IPV6 or FTP_CONNECT_NAME.
5. Interconnect the tag within the data block with the FTP_CMD instruction.
6. For the connection to the FTP server, specify the following in the DB:
– The user name, the password and the IP address for the FTP access in the relevant data
type (FTP_CONNECT_IPV4, FTP_CONNECT_IPV6 or FTP_CONNECT_NAME)
7. Download the hardware configuration and user program to the CPU.
Application examples
• Application example: FTP communication with S7-1500 and CP 1543-1
You can find the application example on the Internet
( https://support.industry.siemens.com/cs/ww/en/view/103550797 ).
• Application example: FTP client communication with S7-1200/1500
You can find the application example on the Internet
( https://support.industry.siemens.com/cs/ww/en/view/81367009 ).
Additional information
The STEP 7 online help describes:
•
The system data types
• The instructions for open communication
• The connection parameters