5.4.28 Bfm #199: Data History Resetting/Stoppage - Mitsubishi MELSEC-F FX3U Series User Manual

FX /FX Series PLC User's Manual - Analog Control Edition
3U 3UC
FX -4AD (4-channel Analog Input)
3UC

5.4.28 BFM #199: Data history resetting/stoppage

The data history resetting function or data history stoppage function is assigned to each bit 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.)
At the completion of data resetting, the turned on bit will automatically be turned off.
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 of 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.
B-46
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 Details of Buffer Memories
Initial value: H0000