Product Description The X-SB 01 system bus module is intended for use in the programmable electronic systems (PES) HIMax. The module can only be inserted into base plate’s slots 1 and 2. If the base plate only contains one module, the HIMax system operates with only one system bus (mono operation). If the base plate contains two modules, the HIMax system operates with two redundant system busses (redundant operation).   HIMA recommends using redundant operation (default) to exploit the HIMax system availability.
The module has the following functions: 
To establish connections between the modules. 
To establish connections to other base plates. 
Manage the rack ID and SRS of the modules.
Further, the module provides an interface to the programming and debugging tool (PADT). The module has been certified by the TÜV for safety-related applications up to SIL 3 (IEC 61508, IEC 61511 and IEC 62061), Cat. 4 (EN 954-1) and PL e (EN ISO 13849-1). Refer to the HIMax Safety Manual (HI 801 003 E) for more information on the standards used to test and certify the module and the HIMax system.
Safety Function 
 The module transfer the data via a safety-related protocol.
Reaction in the Event of a Fault If a failure occurs on a system bus, the bus connection is ensured via the redundant system bus, provided that both system busses have been previously configured.
Scope of Delivery The module must be installed on a suitable connector board to be able to operate. The connector boards for the system bus module are integrated into the base plate and are contained within the scope of delivery, see Chapter 3.6.
Type Label The type label specifies the following important details:   Product name Mark of conformity Bar code (2D or 1D code) Part number (Part-No.) Hardware revision index (HW Rev.) Software revision index (SW Rev.) Operating voltage (Power) Ex specifications (if applicable) Production year (Prod-Year:)
Structure 
The module consists of: Safety-related processor system Service and system bus interfaces
The module is equippe

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