Description
ABB DSAI110 57120001-DP has 6 slots and 1 power slot, of which 2
slots use fast DMA technology to directly communicate with the CPU for high-speed data, these 2 slots through the Ethernet module to achieve the control layer based on the standard TCP/IP protocol Ethernet
information transmission, the remaining 4 slots F1… F4 uses interrupt mode to exchange data
with CPU and main memory, each module can generate its own interrupt source, powerful interrupt controller and advanced multi-task
operating system can quickly respond to the interrupt information from these four
ABB DSAI110 57120001-DP Analog input
communication modules and quickly exchange data with them. At the same time,
through the priority control, the error report information of the communication module can be received in real time.
The bandwidth of the data bus of the CPU board is 100MB/s, which ensures
that the large amount of information data from various communication modules
can be quickly transferred to the CPU unit for processing. In order to ensure the
maximum accuracy of data, ABB DSAI110 57120001-DP main memory chip has
error detection and modification capabilities, which can check 2-bit errors of 32-bit
data words and modify 1-bit errors. PM803 motherboard increases the storage
capacity of main memory to 16MB. The implementation executes large-capacity
control programs on the ABB DSAI110 57120001-DP controller, but the corresponding programs keep the device updated.
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