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FX2N-5A Special function block Buffer Memory (BFM) 7
7-43
7.2.29 BFM 91 to BFM 94 Sudden change detection set value (READ/WRITE)
When using the sudden change detection functions, the set value to judge the sudden change
is written to BFM 91 to 94. If the value is 0, the function is disabled. The valid setting range is
between 0 and 32000.
When the immediate or average data (BFM 6 to BFM 13) of each channel is updated, and the
difference between the previous value and the new value is larger than the sudden change
detection value (BFM 91 to BFM 94), the result is written to the sudden change detection
status (BFM 27).
The range of setting is different according to setting the input mode.
Please write a set value in a digital value.
Input mode (BFM#0) Range of setting
0: Voltage input mode 0 to 32000
1: Current input mode 0 to 32000
2: Current input mode 0 to 32000
3: Voltage input mode 0 to 32000
4: Voltage input mode 0 to 2000
5: Voltmeter display mode 0 to 10000
6: Amperemeter display mode 0 to 20000
7: Amperemeter display mode 0 to 20000
8: Voltmeter display mode 0 to 10000
9: Scaling function voltage input mode 0 to 32000
A: Scaling function current input mode 0 to 32000