Configuring Communication Connections

4.5.4Checking ISO-on-TCP Connection Properties

Overview Tab

The overview shows all the configured ISO-on-TCP connections and their parameters (cannot be modified here).

You can adjust the width of the columns in the table.

For an example of this display, refer to Section 4.3.4 (the ISO transport connection).

Parameter

Description

Local ID

This is the connection ID of the ISO-on-TCP connection (STEP 7 connection

 

configuration; DWORD)

Name (loc.

Entered connection name. This identifies the ISO-on-TCP connection.

endpoint)

 

 

 

CPU /

If you display all the ISO transport connections being operated in this station in the

Applications

multiprocessor mode (with PC stations: multiple applications), the CPU/application that

 

is the endpoint of the particular connection is specified here.

 

 

R/S or via CP

With S7-CPs: Rack/slot of the local CP via which the connection is established.

 

With PC stations: Display of the CP over which the connection is maintained.

Partner

Specifies the remote IP address of the connection.

address

 

Local TSAP

Local Transport Service Access Point (8 characters default)

Remote TSAP

Remote transport service access point (8 characters default).

 

 

Mode

Displays the mode configured in the ”Options” tab.

Status

Indicates the current configuration of the connection.

 

“Connections without assignment” are indicated by “No local CP/No remote CP” in the

 

status column and a “!” character at the end of the“Local ID” (for example: 0002 A000!).

 

Connections you are currently editing are also indicated by “!” at the end of the local ID.

Connection Overview with Multiple CPUs in an S7 Station

If you operate more than one CPU in your S7 station, you can click the button to extend the overview to the connections on all CPUs.

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Siemens S7 appendix Checking ISO-on-TCP Connection Properties, Overview Tab

S7 specifications

The Siemens S7 series represents a cornerstone in the realm of programmable logic controllers (PLCs), developed by Siemens, a leading company in industrial automation. Widely used across various industries, the S7 series offers robust solutions for controlling machinery and processes, thanks to its reliable performance, flexibility, and scalable architecture.

One of the key features of Siemens S7 PLCs is the modularity of their design. Each system can be configured to meet specific application requirements due to the ability to mix various input/output modules, CPUs, and communication processors. This modular approach allows for the customization of systems to suit diverse automation tasks, providing end users with the adaptability required for modern manufacturing environments.

The S7 series encompasses several models, including the S7-1200, S7-300, and S7-1500. The S7-1200 is particularly suited for small to medium-sized applications, offering a compact design and integrated communication interfaces. In contrast, the S7-300 is designed for more extensive and complex control systems, making it ideal for large-scale industrial applications. The S7-1500 stands out with its advanced performance metrics, rich feature set, and high-speed processing capabilities, making it perfect for demanding applications that require real-time control and extensive data handling.

Siemens also emphasizes the importance of communication technologies within the S7 series. With options such as PROFINET, PROFIBUS, and EtherNet/IP, the S7 PLCs can seamlessly integrate into existing automation infrastructures, ensuring smooth data exchange between devices. The incorporation of web-based technologies and cloud connectivity further enables remote monitoring and control of systems, enhancing operational efficiency.

Another notable characteristic of Siemens S7 PLCs is the use of TIA Portal (Totally Integrated Automation Portal), an innovative software platform that simplifies the engineering process. TIA Portal allows users to program, configure, and diagnose their automation devices in a single environment, reducing setup times and improving productivity.

In conclusion, the Siemens S7 series stands out due to its modular design, range of models suitable for various applications, advanced communication technologies, and user-friendly programming software. This combination of features and characteristics makes S7 PLCs a preferred choice for industries seeking reliable and efficient automation solutions. As industrial demands continue to evolve, Siemens S7 PLCs remain at the forefront, adapting to technological advancements and setting benchmarks in the automation field.