Mitsubishi MELSEC-Q series Programming Manual page 79

Specified position Symbol
+18
D2
MH
+19
+20
ML
+21
+48
DML
Loop tag +49
*2
memory
+54
I
+55
+62
MVP
+63
+68
CTDUTY
+69
+116
D2
Loop tag
past value
––
memory
*2 *3
+121
*1 The data of the item(s) where the values within the recommended range are given in the parentheses are stored by the
system. Users cannot set the data.
*2 The loop tag memory and loop tag past value memory occupy a total of 128 words. (Refer to Page 27, Section 3.3.1 for
details.)
*3 The applications of the loop tag past value memory are indicated below.
Specified position
D2
When control is to be started from the initial status, the data must be cleared with the sequence program.
*4 The control output cycle counter rounds off the data to the nearest whole number.
(2) Execution cycle ( T)
Set the execution cycle in SD1500 and SD1501 as real numbers.
Name
Recommended range
Output upper
-10 to 110
limit value
Output lower
-10 to 110
limit value
Output
change rate 0 to 100
limit value
Integral
0 to 999999
constant
MV inside
operation (-999999 to 999999)
value
Control
0 to 999999
output cycle
–– Used by the system as a work area.
Alarm detection 2 (ALM2)
b15 b12 b8
+116
+118 Control output cycle counter initial preset flag
+119 Control output cycle counter
+120 Output counter
+121 Output ON counter
*1
CTDUTY
Note that 32767
T
Description
b4 b0
M M
L H
A A
2 2
MHA2,MLA2
(0: Without alarm)
(1: With alarm)
*4
S.DUTY
Standard
Unit Data format
value
Real
% 100.0
number
Real
% 0.0
number
Real
% 100.0
number
Real
s 10.0
number
Real
% 0.0
number
Real
s 1.0
number
–– –– ––
Set
by
1
U
2
U
U
3
U
4
S
4
U
6
S
7
8
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