Bfm#199: Data History Resetting/Stoppage - Mitsubishi Electric MELSEC-FX3S Series Manual

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3S 3G 3GC 3U 3UC
FX -4AD/FX -4AD (4-channel Analog Input)
3U 3UC

5.4.28 BFM#199: Data history resetting/stoppage

The data history resetting function and the data history stoppage function are assigned to the bits of BFM#199.
1. Data history resetting function (b0 to b3)
The sampled history data can be reset for each channel.
Turn on a bit to reset all the history data (1st to 1,700th) of the corresponding channel. (Note that two or more
bits can be turned on at a time.)
When the data reset is complete, the corresponding bit will turn off automatically.
2. Data history stoppage function (b8 to b11)
Data sampling can be temporarily stopped for each channel.
Turn on a bit to temporarily stop sampling history data for the corresponding channel. (Note that two or more
bits can be turned on at a time.)
Turn off the bit to restart sampling of history data.
3. Function assignment to each bit of BFM#199
Bit No.
b0
b1
b2
b3
b4 to b7
b8
b9
b10
b11
b12 to b15
4. Caution regarding data history resetting
• When a bit is turned on, the corresponding data history will be reset.
PLC User's Manual - Analog Control Edition
Channel number
ch1
ch2
Data history resetting function
ch3
ch4
Not used.
ch1
ch2
Data history stoppage function
ch3
ch4
Not used.
Numeric data type: Hexadecimal (H)
Description
5 Buffer Memory (BFM)
5.4 Buffer Memory Details
Initial value: H0000
B-47
A
B
C
D
E
F
G
H
I
J