SIEMENS SIMATIC NET S7-1413 Industrial Communication Software Package

SIEMENS SIMATIC NET S7-1413 Industrial Communication Software Package

SIMATIC NET S7-1413 is an industrial communication software package launched by Siemens (released in 1996, version 1), which only supports Windows 95/NT 4.0 and above systems and needs to be used with SIMATIC NET CP 1413 network card. Its core function is to connect PC/programmer (PG) to SIMATIC S7 system through industrial Ethernet, providing SAPI-S7 and SEND/RECEIVE programming interfaces in C language (including sample programs and call libraries), supporting ISO 8073 transmission protocol and TCP/IP (RFC 1006) protocol, suitable for industrial scenarios such as equipment status monitoring, production statistics, data archiving, etc. Users need to refer to the three volume document (including configuration and programming interface guide) provided in the package. Technical support can be provided through Siemens official website, telephone or training. Central acquisition.

Core functions and adaptation requirements

2.1 Core Functions

Device connection: Communication between PC/PG and SIMATIC S7 system through industrial Ethernet

Application support: Provide basic communication for industrial applications, including

Detect and modify machine status

Statistical production data

Archiving process data

Visualize industrial processes

2.2 Software and hardware adaptation

Hardware requirements: Must be paired with SIMATIC NET CP 1413 network card, supporting simultaneous operation of multiple network cards (requires appropriate hardware configuration)

Network components: Standard SIMATIC NET components are required (such as transceivers, branch cables, fan out units)

Protocol support: Compatible with both ISO 8073 transport protocol and TCP/IP protocol (including RFC 1006 supplementary standard), the user interface is not affected by protocol switching

Programming interface details

3.1 Comparison of Interface Types

Interface Type Core Features Support Object Advantages Developer Support

SAPI-S7 simple C programming interface, asynchronous operation, automatic processing of sequential services (such as connection establishment), integrated tracking and troubleshooting function. SIMATIC S7 programmable controller is compatible with other SAPI interfaces, supports non-C language programs such as VB/Pascal, and provides friendly functions such as "read and write variables". 1. C language example program; 2. C language call library (can be directly integrated into user software)

SEND/RECEIVE C programming interface, transport layer (4 layers) interface SIMATIC S5 programmable controller communicates seamlessly with S5's data processing block 1. C language example program (reusable code segments); 2. C language call library

3.2 Key interface specifications

SAPI-S7: Full name "Simple Application Programmers Interface - S7", corresponding to the 7-layer communication protocol of SIMATIC S7, supports unified access to SIMATIC S7 system, and can also be used for PROFIBUS communication

SEND/RECEIVE: also known as PC-E-S5 programming interface, communicates with S5 controller through function calls. Please refer to the dedicated interface manual to understand data structures such as request blocks

User groups and document guidelines

4.1 User groups and required experience

Experience required by user groups

S7 application users: 1. Familiar with PC operation; 2. Understand the SIMATIC S5/S7 system; 3. No programming experience required

S7/END/RCEIVE application developer 1. Familiar with PC operation; 2. Understand the SIMATIC S5/S7 system; 3. Have programming experience (C language preferred)

4.2 Recommended Must Read Documents

All users: This document (Introduction S7-1413), installation guide, product information 《Configuring the S7 mode with COML S7》

S7 Application Developer: Additional Reading of "S7 Programming Interface"

SEND/RECEIVE Application Developer: Additional Reading of "SEND/RECEIVE Programming Interface"

Related networks and terminology

SIMATIC NET communication network: including industrial Ethernet (management/unit layer, IEEE 802.3), PROFIBUS (unit/field layer, DIN 19245), AS Interface (actuator sensor layer)

Key terms: CSMA/CD (Ethernet Access Technology), CP (Communication Processor), LAN (Local Area Network), TCP/IP (Transmission Control Protocol/Internet Protocol), TSAP (Transport Service Access Point)

Key issue

Question 1: What are the software and hardware adaptation requirements for SIMATIC NET S7-1413, and which operating systems and hardware devices are only supported?

Answer: The requirements for software and hardware adaptation are clear: 1 Operating System: Only supports Microsoft Windows 95 and Windows NT 4.0 and higher versions, not compatible with other systems; 2. Hardware equipment: It must be paired with a dedicated SIMATIC NET CP 1413 network card and cannot be replaced by other network cards; 3. Extended support: Allow multiple network cards to run simultaneously with appropriate hardware configuration; 4. Network components: Industrial Ethernet communication can only be achieved with standard SIMATIC NET components such as transceivers, branch cables, and fan out units.

Question 2: What are the core differences between SAPI-S7 and SEND/RECEIVE programming interfaces, and what scenarios are they applicable to?

Answer: The core differences lie in the supported objects, functional features, and applicable scenarios: 1 Supporting objects: SAPI-S7 is specifically used to connect SIMATIC S7 programmable controllers, while SEND/RECEIVE is mainly used to connect SIMATIC S5 programmable controllers; 2. Functional features: SAPI-S7 supports asynchronous operations, automatic processing of connection establishment, integrated tracking and troubleshooting, compatible with VB/Pascal and other programs, with more user-friendly functions (such as reading and writing variables); SEND/RECEIVE is a transport layer interface that focuses on efficient communication with S5 controllers; 3. Applicable scenarios: SAPI-S7 is suitable for device status monitoring, data archiving, and other scenarios based on the S7 system, while SEND/RECEIVE is suitable for industrial automation scenarios that require integration with the S5 system. Both provide C language sample programs and call libraries for developers to integrate easily.