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FX2N-8AD Analog input block Buffer Memory (BFM) 8
8-17
8.2.3 BFM #10 to BFM #17: Channel data
The A/D conversion data of each channel is written to BFM #10 to BFM #17.
You can select the immediate (current value) data or the average data by setting the number of
times of averaging (BFM #2 to BFM #9) described above.
8.2.4 BMF #19: Disables setting change
BFM #19 enables or disables the setting change of the I/O characteristics (BFM #0, BFM #1,
BFM #21), the convenient functions (BFM #22) and the high-speed conversion channel (BFM
#24).
K1: Enables change (selected at shipment from factory).
K2: Disables change.
8.2.5 BFM #20: Initializes functions
BFM #20 initializes all data stored in BFM #0 to BFM #3399, and sets the FX
2N
-8AD to the
status at shipment from the factory.
By initialization, the input characteristics are reset to the values set at shipment from the
factory (voltage input, offset value K0, gain value K5000).
K0: Normal
K1: Executes initialization.
(Writes K1, then returns automatically to K0 when initialization is completed.)