3AFE61320946P0001 POS.A6091 ABB analog input module
Brand ABB Wind speed 110m/s product name analog input module
Weight 15.6Ib Power 250VDC frequency 80Hz
Channel dual channel power capacity 1400W available for sale Beijing: Tianjin: Hebei; Shanxi; Inner Mongolia: Liao
Type Heavy industry application module Model 3AFE61320946P0001 POS.A6091
3AFE61320946P0001 POS.A6091 ABB analog input module
Data buffering: The rate of CPU and memory due to the low rate of 1/0 devices
It is very high, so a buffer must be set in the controller. When output, use this buffer
The punch temporarily stores the data transmitted from the host computer at high speed, and then uses the 1/0 device
Rate transfers data from the buffer to the 1/0 device: on input, the buffer is
It is used to temporarily store the data sent from the 1/0 device. After receiving a batch of data, the data is transferred
The data in the buffer is transmitted to the host at high speed.
Error control: The device controller also manages the data transmitted by the 1/0 device
Row error detection. If an error is found in the transmission, it is usually an error detection code
Set, and report to the CPU, so the CPU will be sent to the data invalid, and
Retransmit. This ensures the correctness of data input
Data exchange: This refers to the implementation between the CPU and the controller, the controller and the device
Data exchange between. For the former, it is through the data bus, by the CPU in parallel
Write data to the controller, or read data from the controller in parallel; In the latter case, the device inputs data to the controller, or from the controller to the device. for
Therefore, the data register must be set in the controller
3AFE61320946P0001 POS.A6091 ABB analog input module
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