SIEMENS 505-7101 Basic Module

Slave Configuration using GSD Files

PROFIBUS supports a uniform standard for the configuration of PROFIBUS slaves/modules that utilizes GSD files which allows “open” configuration of PROFIBUS devices. A GSD file is essentially an electronic data description of a slave device. In accordance with a standard format, the GSD file is a text file that is defined and supplied by the device vendor. The file can be imported and interpreted by the DP Master Class 2 device such that it can supply the user with an interface to configure the slave device. Essentially, the GSD file and supporting infrastructure provides a uniform method of defining the configuration profile of a slave device such that any DP Master Class 2 configuration tool can be used to configure any slave device.

Other notable module specifications include

The module internally stores the PROFIBUS configuration into flash-ROM, and supports automatic reconfiguration of slave devices on repower. Input and output messages from/to the various PROFIBUS station/slave devices are ‘bundled’ at the ControlNet level into 2 assemblies (data objects) which are available for transport across ControlNet from/to the C200: o As configured with the PROFIBUS network configuration, all input data messages (from PROFIBUS input devices) are packed into a 496 byte input assembly. Input data is bound from input devices to the C200. o As configured with the PROFIBUS network configuration, all output data messages (from PROFIBUS input devices) are packed into a 492 byte output assembly. Output data is bound from the C200 to the output device. Acyclic services associated with the PROFIBUS DP-V1 extension are supported. The PROFIBUS Interface Module hardware is produced and distributed by Woodhead SST. They deliver the module with a supporting set of software utilities used for configuration, monitoring, and documentation/help. Their PROFIBUS Module model number is SST-PFB-CLX.

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