Buffer Memory Areas - Mitsubishi Electric MELSEC-Q Series User Manual
Loop control module
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3 SPECIFICATIONS
3.5 Buffer Memory
3.5.1 Buffer memory areas
Address
(decimal (hexadecimal))
CH1
CH2
0 (0
)
Error code
H
5 (5
)
6 (6
)
Alert definition
H
H
9 (9
)
10 (A
)
Measured value (PV)
H
H
13 (D
)
14 (E
)
Manipulated value (MV)
H
H
17 (11
)
18 (12
)
Approach flag
H
H
25 (19
)
26 (1A
)
Set value monitor
H
H
29 (1D
)
Cold junction temperature
H
measured value
30 (1E
)
Control mode monitor
H
31 (1F
)
PID constant read/write completion
H
flag FeRAM
32 (20
)
64 (40
)
Input range
H
H
33 (21
)
65 (41
)
Stop mode setting
H
H
34 (22
)
66 (42
)
Set value (SV) setting
H
H
35 (23
)
67 (43
)
Proportional band (P) setting
H
H
36 (24
)
68 (44
)
Integral time (I) setting
H
H
37 (25
)
69 (45
)
Derivative time (D) setting
H
H
38 (26
)
70 (46
)
Alert set value 1
H
H
39 (27
)
71 (47
)
Alert set value 2
H
H
40 (28
)
72 (48
)
Alert set value 3
H
H
41 (29
)
73 (49
)
Alert set value 4
H
H
42 (2A
)
74 (4A
)
Upper output limiter
H
H
43 (2B
)
75 (4B
)
Lower output limiter
H
H
44 (2C
)
76 (4C
)
Output variation limiter
H
H
3 - 65
The following table lists the buffer memory areas of the Q62HLC.
Areas not listed are use prohibited areas. Do not write any data into the use
prohibited areas.
Doing so may cause malfunction of the programmable controller CPU.
Item
*1: Reading data is always available regardless of the write conditions. The setting value of the item to
which "Setting mode" is given as the condition for writing data can be changed only in the setting mode.
Note that changing the value in the operation mode causes a write data error. In addition, it is necessary
to turn on Setting change command (YnB) to change the setting value.
Range
—
—
In accordance with input range
Normal control
-50 to 1050
mode,
(
0.1%)
Manual control
mode 1,
Program control
mode
Manual control
0 to 4000
mode 2
—
—
-20 to 100 ( )
—
—
0 to 22
0: Stop, 1: Monitor, 2: Warning
Input range
Thermocouples
1 to full-scale
( )
(
0.1 )
Micro voltage
1 to 10000
(mV), voltage (V),
(
0.1%)
current input (mA)
0 to 32767 (
0.1s)
0 to 32767 (
0.1s)
In accordance with alert mode
setting and input range setting
-50 to 1050 (
0.1%)
0 to 1000 (
0.1%/s)
MELSEC-Q
*1
Write condition
Default
Setting
Always
Disabled
mode
0
—
—
0
—
—
—
—
—
-50
—
—
0
—
—
0
—
—
—
—
—
0
—
—
0
—
—
0
—
1
—
0
—
100
—
400
—
100
—
0
—
1050
—
-50
—
0
—
(To the next page)
Reference
Section
3.5.2
Section
3.5.3
Section
3.5.4
Section
3.5.5
Section
3.5.6
Section
3.5.7
Section
3.5.8
Section
3.5.9
Section
3.5.10
Section
—
3.5.11
Section
—
3.5.12
Section
—
3.5.13
—
Section
3.5.14
—
—
Section
—
3.5.15
—
Section
3.5.16
—
Section
—
3.5.17
3 - 65
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