Contents

1

Communication via Ethernet CPs in S7 Stations

15

 

1.1

Industrial Ethernet

16

 

1.2

SIMATIC S7 Communication with S7 Ethernet CPs

17

 

1.3

PG/OP Communication via Industrial Ethernet

21

 

1.3.1

PG Communication with STEP 7 over Industrial Ethernet

23

1.3.2OP Operation: Connecting Operator Interface Devices via

 

Industrial Ethernet

24

1.4

S7 Communication on Industrial Ethernet

25

1.5

S5-compatible Communication (SEND/RECEIVE Interface) )

29

1.6

FETCH/WRITE Services (Server)

32

1.7

Networking Stations with STEP 7

33

1.7.1

Network/Project Variant: One Subnet – One Project

35

1.7.2Network/Project Variant: SIMATIC S5 and Non-SIMATIC

 

 

Devices on the Subnet

36

 

1.7.3

Network/Project Variant: Two or More Subnets – One Project

37

 

1.7.4

Network/Project Variant: One Subnet – More Than One (Sub)Project . . .

38

 

1.7.5

Network/Project Variant: Several Subnets in Several (Sub) Projects . . . .

41

 

1.7.6

Network/Project Variant: Connections between Subnets (TCP/IP)

43

2

Installing and Starting the Ethernet CP with STEP 7

45

 

2.1

General Information About the NCM S7 for Industrial Ethernet Option . .

46

 

2.2

Procedure

47

 

2.2.1

Creating an Industrial Ethernet Subnet

48

 

2.2.2

Entering an Ethernet CP in the Hardware Configuration

51

 

2.2.3

Displaying the Network Attachments of a Station

55

 

2.2.4

Setting Further CP Properties

57

 

2.2.5

“Substitute Objects” in the STEP 7 Project

65

 

2.2.6

Configuring Communication Services

68

 

2.3

Assigning Addresses for the First Time (Applies to Latest CPs)

69

 

2.3.1

Addressing by Selecting the Target System in the SIMATIC Manager . . .

70

 

2.3.2

Addressing using the Properties Dialog in HW Config or NetPro

73

 

2.4

Downloading the Configuration Data to the Target System

74

3

SEND/RECEIVE Interface in the User Program

77

 

3.1

How the SEND/RECEIVE Interface Works on the CPU

78

 

3.2

Programming the SEND/RECEIVE Interface

79

 

3.3

Data Exchange S7 CPU <–> Ethernet CP

82

 

3.4

Additional Information

84

 

3.4.1

Programming Data Transfer on TCP Connections

84

 

3.4.2

Recommendations for Use with a High Communications Load

85

SIMATIC NET NCM S7 for Industrial Ethernet

11

Release 6/2003

C79000–G8976–C129–07

Page 11
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Siemens NCM S7 appendix Contents

NCM S7 specifications

Siemens NCM S7, which stands for Siemens Network Control Module for the S7 series, represents a significant advancement in industrial automation technology. This robust control system is designed to enhance productivity and efficiency in various manufacturing processes. Its primary purpose is to facilitate seamless communication between field devices and higher-level control systems, ensuring that processes run smoothly and effectively.

One of the main features of the Siemens NCM S7 is its exceptional connectivity. The module is equipped with integrated network capabilities that support various communication protocols such as Ethernet, Profibus, and Profinet. This versatility allows it to work with a wide variety of devices, enabling data exchange across different automation levels. The ability to connect to cloud services is another standout feature, allowing users to access real-time data remotely for monitoring and analytics.

The NCM S7 also boasts advanced data processing capabilities. With powerful processing units, it can execute complex control algorithms and manage large volumes of input and output data in real time. This is essential for industries that require precise control over their processes, such as automotive, food and beverage, and pharmaceuticals. The system’s high-speed memory and processing speed ensure that it can handle demanding tasks without lag.

In terms of technology, the Siemens NCM S7 leverages state-of-the-art cybersecurity features. As industrial control systems increasingly become targets for cyber threats, the NCM S7 incorporates advanced security protocols to safeguard sensitive data and ensure the integrity of the control processes. This includes features such as secure communication channels and user authentication.

Another key characteristic of the NCM S7 is its flexibility. The system can be easily scaled and adapted to meet the specific needs of various applications. Users can increase the number of input/output channels or integrate additional modules without significant downtime. This adaptability makes the NCM S7 an ideal choice for both small-scale operations and large industrial environments.

Moreover, the user-friendly interface simplifies configuration and programming tasks, allowing engineers and technicians to set up and troubleshoot the system with ease. Siemens has also invested in comprehensive support and training resources to help users maximize the system’s potential.

In conclusion, the Siemens NCM S7 stands out as a pivotal element in modern industrial automation. With its robust connectivity, advanced data processing capabilities, cybersecurity features, and flexibility, it empowers businesses to optimize their production processes and embrace the future of Industry 4.0.