P0916AE Input module

　　For a DSP Send, the value of the connected variable must be assigned in a program that is executed by a different 1131 task (for example, TaskA) compared to the task that executes the program that writes to the DAT-channels of the DSP (for example, TaskB). The assignment must be done at each execution cycle. TaskA must have the same interval time as TaskB, but a higher execution offset than TaskB. This ensures that the variable is written after the DAT values. If the 32 Bytes Data Consistency is enabled, but the Consistency channel is not written, no data will be transferred at all for this DSP. This gives an error at download. If 32 Bytes Data Consistency parameter is not enabled (false), 4 bytes data consistency is guaranteed.

Configuring DataSet Peripherals

   At start up of the system, the DSP data base definition is configured on the communication interface. For each DSP, a corresponding CDP is configured. The receiving DSPs are immediately operational and able to receive data from the Advant Fieldbus 100. For sending DSPs, all the connected communication interface must be informed about the change in the configuration in order to regenerate their scan tables.At configuration, a scan table is built up containing the sending CDPs, configured on the associated communication interface and the current scan table working on the bus, if any. When the configuration is performed, the new scan table is transferred to all Bus Administrator communication interfaces on the bus. By this, all communication interfaces, defined as masters, have knowledge of all configured sending CDPs on the bus.

Each CDP in the scan table is owned 

  by the station number of the communication interface on which it was configured. Any reconsideration of the CDP such as size, signal identity, delete etc. is to be done by the owner communication interface unless the station number is changed. A consequence of this is that a change of the communication interface station number might result in CDPs not owned by any communication interface, orphan CDPs. Orphan CDPs is a source of failed configuration that can be tricky to handle. Before change of station number or removal of a station from the bus, all CDPs configured on the current communication interface should be deleted. The most definite way to delete orphan CDPs is to reset the current scan table, that is to reset the IMPL terminal on each communication interface on the bus defined as busmaster. This most be done simultaneously on all the mentioned communication interfaces. The bus is by this stopped. The scan table is then built up from the beginning when the IMPL terminals are set again.

　　The main products 

　　Spare parts spare parts, the DCS control system of PLC system and the robot system spare parts,

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