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AS 488 in SIMATIC design

Introduction

AS 488/TM

Overview

The AS 488 automation system comprises:

CPU 486-3/488-3 with memory modules, memory card and in- terface modules for commissioning, diagnostics and I & C monitoring

DC 24 V power supply (standard); a module for AC 120/230 V can be inserted as an option (the AC 120/230 V power supply is only possible if no TELEPERM M I/O modules are used)

One or two EXM 478 extension modules (depending on system design and configuration) with IF 964-DP interface modules for connection of ET 200 distributed I/Os (one or two lines) and the PROFIBUS-TM system bus (PROFIBUS-TM and CS 275 local bus can only be connected as alternatives) and for the PLC/PLC coupling

TPM 478 as additional option in conjunction with a further TBX 478 module, located between the DC 24 V power supply module and the CPU, for connection of up to seven I/O units with I/O modules of the TELEPERM M process control system

As an alternative to the PROFIBUS-TM, the CS 275 system bus can also be connected via the TPM 478 module.

Technical Specifications

System configuration

Basic system

SIMATIC M7-400 with

 

CPU 486-3 (75 MHz Pentium),

 

rack and AC or PC power supply

 

module

 

 

 

Extensions

IF 961-DIO, IF 962-COM,

 

IF 964-DP (max. 4), EXM 478

 

(max. 2), TPM 478 and TBX 478

 

interface modules

 

 

Option

CPU 488-3 as alternative

 

(120 MHz Pentium)

 

 

 

Power supply

 

 

 

 

 

Supply voltage

Current con-

Dissipated

 

sumption

power

 

 

 

AC 120/230 V, 10 or 20 A

0.8 to 2.5 A

45 to 60 VA

 

 

 

DC 24 V, 10 or 20 A

1.5 to 4.5 A

45 to 60 W

 

 

Backup battery for time/date

2 Li batteries type AA: 3.6 V,

 

1.9 Ah

 

 

 

 

Maintenance cycle

2 years

 

 

 

 

System data

 

 

 

 

 

TELEPERM M I/Os

 

 

 

 

 

• Function modules, arithmetic mod-

Yes

 

ules

 

 

 

 

 

• Signal modules

Yes

 

 

 

 

• Counter modules

Yes

 

 

 

 

• Coupling modules

Yes

 

 

 

 

• Max. number of TELEPERM M ex-

7

 

tension units

 

 

 

 

• Max. number of ES 100 K extension

Max. 1 in addition

systems

 

 

 

 

Distributed I/Os

Max. 2 x 122 units (stations)

 

 

Transfer data

Max. 122 byte in/out per station

 

 

 

ET 200M

 

 

 

 

• Function modules

Yes, e.g. counters, SIWAREX M

 

(option)

 

 

 

 

• Signal modules

Yes

 

 

 

 

• Counter modules

Yes

 

 

 

• Coupling modules

Yes, e.g. IM 157 (PROFIBUS-

 

PA), CP 340 (RS 232), CP 343-2

 

(AS-I), CP 342-5 (DP slave inter-

 

face)

 

 

 

 

ET 200S

 

 

• Function modules

Yes, e.g. counters

 

Required special drivers on

 

request 1)

• Signal modules

Yes

 

 

• Coupling modules

Yes

 

 

ET 200iS (available soon)

 

 

 

• Function modules

Yes, e.g. counters

 

Required special drivers on

 

request 1)

• Signal modules

Yes

 

 

• Coupling modules

Yes

 

 

ET 200X

 

 

 

• Signal modules

Yes

 

 

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Siemens PLT 112 · 2002

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Siemens AS 488/TM manual AS 488 in Simatic design, Introduction, Technical Specifications

AS 488/TM specifications

The Siemens AS 488/TM is a cutting-edge solution in the realm of industrial automation and control. Designed specifically for high-performance applications, this device serves as a programmable logic controller (PLC) offering enhanced capabilities for process automation. The AS 488/TM stands out in the marketplace for its robust architecture, sophisticated features, and compatibility with various industrial protocols.

One of the pivotal features of the Siemens AS 488/TM is its integrated communication capabilities. It supports multiple communication protocols, such as Profibus, Profinet, and Ethernet/IP, facilitating seamless integration within diverse industrial environments. This flexibility ensures that the AS 488/TM can communicate with various devices, sensors, and actuators, providing a comprehensive solution for modern manufacturing needs.

In terms of processing power, the AS 488/TM is equipped with a high-performance CPU that can handle complex algorithms and data processing with ease. This enables the controller to manage intricate automation tasks, from simple control functions to complex multi-axis motion control. The device also comes with expandable I/O options, allowing users to tailor the system to meet specific application requirements. With a wide range of digital and analog inputs and outputs, the AS 488/TM ensures accurate monitoring and control of various processes.

Another notable characteristic of the AS 488/TM is its user-friendly programming interface. Siemens has developed the TIA Portal (Totally Integrated Automation Portal), a software platform that simplifies the programming and configuration of the PLC. This intuitive interface allows users to program the device using various programming languages, including Ladder Logic, Function Block Diagram, and Structured Text. The TIA Portal enhances productivity by providing simulation tools for testing and debugging applications before deployment.

The AS 488/TM also emphasizes safety and reliability. It complies with international safety standards and incorporates features that ensure safe operation in critical applications. Redundant power supplies and fail-safe mechanisms are integrated to minimize downtime and protect both personnel and equipment.

Moreover, the Siemens AS 488/TM is designed with future scalability in mind. As industries evolve and technology advances, the AS 488/TM can adapt to new requirements, ensuring a long service life and ongoing relevance in a rapidly changing landscape. Overall, the Siemens AS 488/TM is an impressive PLC that combines innovative features, robust technology, and flexible integration capabilities, making it an ideal choice for modern industrial automation systems.