3RK7137-6SA00-0BC1 Siemens SIMATIC ET 200SP Communication Module CM AS-i Master ST Original Brand New

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Overview

The CM AS‑i Master ST communications module is designed for use in the SIMATIC ET 200SP distributed I/O system and has the following features:

• Connection of up to 62 AS-Interface slaves
• Supports all AS‑Interface master functions according to the AS‑Interface specification V3.0
• User-friendly configuration with graphic or tabular display of the AS-i line in TIA Portal or STEP 7 (Classic) or via GSD in other systems
• Supply via AS-Interface cable
• Suitable for AS‑i Power24V and for AS‑Interface with 30 V voltage
• Extended temperature range from -25 °C (from hardware function status FS20 onwards)
• Integrated ground-fault monitoring for the AS-Interface cable
• Through connection to AS‑Interface, the number of digital inputs and outputs available for the control system is greatly increased (max. 496 DI/496 DQ on the AS‑Interface per CM AS‑i Master ST)
• Integrated analog value processing

AS-i gateways with ET 200SP

An AS‑i gateway or AS‑i link enables access to the AS‑Interface data via PROFINET, PROFIBUS, EtherNet/IP, or Modbus TCP.

With the CM AS‑i Master ST module, flexible and powerful AS‑i link solutions or stand-alone ET 200SP CPU stations with AS-i connection are set up. Depending on the requirements, even several AS-i masters can be plugged into one ET 200SP station, so that the setup can easily be extended from a single master to double masters or multiple masters.

The maximum number of modules is determined by the ET 200SP interface module (IM): up to 32 AS‑i masters with PROFINET IM 155‑6PN Standard (6ES7155-6AU02-0BN0), up to 43 AS‑i masters with IM 155‑6PN High Feature, or a single AS‑i master with IM 155‑6PN Basic. For the connection to PROFIBUS, the IM 155‑6DP HF interface module with up to 7 AS-i master modules is used. With the MultiFieldbus interface module IM 155‑6MF, the AS‑i master modules are connected to PROFINET, Ethernet/IP, and Modbus TCP.

Since in many plants an ET 200SP station with I/O, motor starter or other peripheral modules is provided, the AS-i master modules are simply plugged in without any additional effort. There are countless possible combinations.

An AS-i Safety gateway can also be implemented without any problems by adding the safety-related module F‑CM AS‑i Safety ST in the ET 200SP station. This greatly simplifies the cabling and connection of distributed EMERGENCY STOP pushbuttons and protective door monitoring systems to a Failsafe CPU. The AS-i Safety application is completely configured in TIA Portal/STEP 7.

The ET 200SP modules CM AS‑i Master ST and F‑CM AS‑i Safety ST (see F‑CM AS‑i Safety ST for SIMATIC ET 200SP) can of course also be used directly on an ET 200SP CPU or F‑CPU, so that an extremely compact SIMATIC control system with AS‑i bus connection can be set up.

For further application possibilities, see the brochure “The modular AS-i Master”.

For more information, see SIMATIC ET 200SP Manual Collection.

Design

The CM AS‑i Master ST module has an ET 200SP module enclosure with a width of 20 mm. A C0 type BaseUnit (BU) is required for use in the ET 200SP.

The communications module has LED displays for diagnostics, operation, AS-i voltage and AS-i slave status and offers informative front-side module inscription for

• Plain-text marking of the module type and function class
• 2D matrix code (Article No. and serial number)
• Circuit diagram
• Color coding module type communications module: light gray
• Hardware and firmware version
• Supported BaseUnit type BU: C0

Function

The CM AS‑i Master ST communications module supports all specified functions of the AS-Interface specification V3.0.

The input/output values of the digital AS‑i slaves can be activated via the cyclic process image. The values of the analog AS‑i slaves are accessible via the cyclic process image or via data record transfer.

If required, master calls can be performed with the command interface, e.g. read/write parameters, read/write configuration.

Changeover of the operating mode, automatic application of the slave configuration and the re‑addressing of a connected AS‑i slave can be implemented via the online functions in STEP 7/TIA Portal.

For the implementation of modular machine concepts, the AS-i slaves can be activated or deactivated via the PLC program (option handling). The configuration of AS‑i slaves can be modified while being executed, thus enabling variable machine setups and tool changing with integrated input/output modules during ongoing operation. AS-i input/output modules can be added to the system without deactivating the controller.

An existing AS-i installation can be read into the STEP 7 hardware configuration and adapted and documented in the project. Analog values are transmitted via the cyclic process image, the length of which is adjustable and extendable up to 288 bytes (depending on the interface module (IM) used).

Diagnostics information is accessed via automatic alarm indications, via the status information in the process image or via the graphical status display in the online diagnostics of the TIA Portal. The transmission quality of the AS-i network can also be read out. To avoid configuration errors, duplicate addresses can be detected on the AS-i network.

Configuration is possible with SIMATIC CPUs S7‑300 up to S7‑1500 and with a SINUMERIK 840D sl or other controller.

The online diagnostic status of the AS‑i slaves can be displayed directly on the devices in the network view in TIA Portal.

Notes on security

In order to protect plants, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art industrial cybersecurity concept. Siemens products and solutions represent one component of such a concept.

For more information on industrial cybersecurity, see www.siemens.com/cybersecurity-industry.

Configuration

The following software is required for configuration of the CM AS‑i Master ST module:

• STEP 7 (TIA Portal) or
• STEP 7 (Classic) or
• the GSD file of the ET 200SP with STEP 7 or another engineering tool

STEP 7 enables user-friendly configuration and diagnostics of the AS-i master and any connected slave modules.

Alternatively, you can also apply the AS-Interface ACTUAL configuration as the TARGET configuration at the “touch of a button” via the online function integrated in the TIA Portal or an optional expansion button. Configuration with the GSD file is possible only with the button.

In the default setting, the CM AS-i Master ST module occupies 32 input/output bytes. To adapt the number and type of AS‑i slaves used, the I/O address space can be reduced, or expanded up to 288 bytes.

Together with an ET 200SP CPU 1510SP, 1512SP, 1514SP, or 1515SP PC, preprocessing of AS‑i signals directly in the ET 200SP station and setting up of an independent AS‑i station without a higher-level CPU are possible.

Benefits

3RK7137-6SA00-0BC1

Siemens SIMATIC ET 200SP communication module CM AS-i Master ST according to AS-Interface specification V3.0

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