Siemens 6FC5357-0BB35-0AB0

The 6FC5357-0BB35-0AB0 is an NCU, Numeric Control Unit, hardware module manufactured by Siemens. This module is compatible with and manufactured for the SIMODRIVE 611 D/DE module series. The Siemens 6FC5357-0BB35-0AB0 module is the computer numerical control (CNC) for the 840 D.  The 840 D is operated combining the power supply of SIMODRIVE 611 and a drive processor module such as the 6FC5357-0BB35-0AB0. The 6FC5357-0BB35-0AB0 CNC is responsible for automated control of machining tools. This module is the central processing unit taking on the communication tasks as well as the CNC and PLC.  These products are manufactured in Germany and are designed for Automotive, aerospace, power generation, and electronics usage. They come with a 2-year warranty from MRO Electric. We also carry Accessories from other manufacturers such as FANUC and Yaskawa.

Features of the NCU

A description of the components of the Sinumerik 840 D/DE processor module is as follows.  There are eight (8) components that make up the Sinumerik 840 NCU. There is a NCU box which is the module rack of the NCU unit. It is comprised of three parts. The first part a NC rack assembly and cable distributor, the second is a battery / fan module that slides into the unit, and the third is the housing unit made of sheet metal. The integrated side bars of the housing unit are where the battery / fan modules go as well as the power supply unit. 

The next component that makes up the NCU is the fan box.  The fan box is a requirement for the 573.3 Pentium III and the 573.4 Pentium III NCU’s. The fan box can be mounted to the NCU box if needed. 

The third part of the NCU is the PLC module. The PLC module is a support unit. It adds to the system monitoring and is consistent with a PLC-CPU that goes with the family of S7-300 modules. For every eight peripheral S7-300 units, you can connect up to three external lines. This is done by way of the P bus. The PLC is a submodule of the NCU. 

The fourth module that helps make up the NCU is another sub module, the COM module 187.5 kBd/1.5 MBd. It is a communication module that facilitates communication between the PCU and peripheral units. 

The next module in the NCU group is the driver module. The driver module is another sub module for the NCU. This module forms the interface between modules. The Siemens 6FC5357-0BB35-0AB0 does this task. It is responsible for the communication.  For which units does it help facilitate communication? It serves as operator interface for the operator panel front, the programming device, the decentralized peripherals and the S7-300 peripheral modules. 

The final part the NCU is the PCMCIA card. The PCMCIA card is where the bulk memory for the NC system software is stored. How does this work? The NCU has a plug-in unit for the PCMCIA card that is standard. Through the plug-in, type II flash cards with up to 8 MB of storage can be operated.  It also assists in software upgrade and series start-up.

Advantages of the Siemens 6FC5357-0BB35-0AB0

SINUMERIK 840D/DE

CNC-Hardware

PROFIBUS-DP

NCU 573.5B

1.4 GHz

128 Mbyte

NC 3MB

PLC 128KB

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