User`s manual

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MELSEC-Q
8 I/O CONTROL INSTRUCTIONS
Specified position Symbol Name Recommended range
*1
Unit Data format
Standard
value
Store
S2
+0
+1
EMAX
Engineering
conversion
upper limit
-999999 to 999999 %
Real
number
100.0 U
+2
+3
EMIN
Engineering
conversion
lower limit
-999999 to 999999 %
Real
number
0.0 U
+4
+5
NMAX
Input upper
limit
-999999 to 999999
Real
number
100.0 U
+6
+7
NMIN
Input lower
limit
-999999 to 999999
Real
number
0.0 U
+8
+9
HH
Upper limit
range error
occurrence
-999999 to 999999
Real
number
110.0 U
+10
+11
H
Upper limit
range error
return
-999999 to 999999
Real
number
100.0 U
+12
+13
L
Lower limit
range error
return
-999999 to 999999
Real
number
0.0 U
Operation
constant
+14
+15
LL
Lower limit
range error
occurrence
-999999 to 999999
Real
number
-10.0 U
D1
+1 MODE
Operation
mode
0 to FFFF
H
b15 b12 b8
b4 b0
L
C
C
L
C
A
L
C
M
M
A
N
A
U
T
C
A
S
C
M
B
C
A
B
C
C
B
C
M
V
C
S
V
BIN
16bit
8
H
S/U
+3 ALM
Alarm
detection
0 to FFFF
H
b15 b12 b8
b4 b0
S
P
A
S
E
A
SPA
0: Loop RUN
1: Loop STOP
SEA
(0: Without alarm)
(1: With alarm)
BIN
16bit
4000
H
S/U
+4 INH
Alarm
detection
inhibition
0 to FFFF
H
b15
b12 b8
b4 b0
E
R
R
I
S
E
I
0: Alarm enable
1: Alarm inhibit
BIN
16bit
4000
H
S/U
Loop tag
memory
*2
+38
+39
Filter
coefficient
0 to 1
Real
number
0.2 U
*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 Section 3.3.1 for details.)
(2) Execution cycle ( T)
Set the execution cycle in SD1500 and SD1501 as real numbers.