Buffer Memory - Mitsubishi Electric MELSEC A Series Manual

3. SPECIFICATIONS
3.7

Buffer Memory

Address (decimal)
0 A-D conversion-enabled/disabled setting
1 Averaging processing specification
2 CH1 averaging time, count
3 CH2 averaging time, count
4 CH3 averaging time, count
5 CH4 averaging time, count
6 CH5 averaging time, count
7 CH6 averaging time, count
8 CH7 averaging time, count
9 CH8 averaging time, count
10 CH1 digital output value
11 CH2 digital output value
12 CH3 digital output value
13 CH4 digital output value
14 CH5 digital output value
15 CH6 digital output value
16 CH7 digital output value
17 CH8 digital output value
18 Write data error code
19 A-D conversion-completion flag
20 Resolution setting
The A68ADN uses the buffer memory (not battery-backed) for data communications
with a PC CPU.
Buffer memory allocations are shown below.
0 (no error)
00FFH (A-D conversion completed for all channels)
1 (1/4000)
POINT
Since buffer memory addresses 10 to 17 are reserved for read only, data
should not be written to them using a sequence program. If an attempt is
made to write data to these addresses, the RUN LED begins flashing and an
error code is stored in buffer memory address 18.
Default value
00FFH (all channels enabled)
0 (sampling processing for all channels)
0
0
3 − 13
0(/6(&0$ 0(/6(&0$
0(/6(&0$ 0(/6(&0$
MELSEC-A
.............. See section 3.7.1
.............. See section 3.7.2
.......
.............. See section 3.7.3
.............. See section 3.7.4
.............. See section 3.7.5
.............. See section 3.7.6