User`s manual

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MELSEC-Q
9 CONTROL OPERATION INSTRUCTIONS
Control data
(1) Data specified in S.DED instruction
Specified position Symbol Name Recommended range
*1
Unit Data format
Standard
value
Store
S1
+0
+1
E1 Input value -999999 to 999999
Real
number
U
Input
data
+2 e1
Operation
control signal
b15
b12 b8
b4 b0
e
1
0: With dead time
1: Without dead time
BIN
16bit
U
D1
+0
+1
BW Output value (-999999 to 999999)
Real
number
S
BB
Block
memory
+2
BB1
Data
sufficiency bit
b15 b12 b8 b4 b0
B
B
1
(0: Data sufficiency)
(1: Data insufficiency)
BIN
16bit
S
S2
+0
+1
ST
Data collection
Interval
0 to 999999 Note that
32767
ST
T
s
Real
number
1.0 U
+2 SN
Sampling
count
0 to 48
BIN
16bit
0U
+3
+4
Ys
Output initial
value
-999999 to 999999
Real
number
0.0 U
Operation
constant
+5 OCHG
output
switching
b15 b12 b8 b4 b0
O
C
H
G
0: E1 when e1 turned from 1 to 0 is output up
to SN times.
1: Ys is output up to SN times.
BIN
16bit
0U
D2
+0
Last value
input (e1’)
+1 Cycle counter
+2
Dead time
table number
of stored data
+3
+4
Dead time
table 1
+5
+6
Dead time
table 2
::
Local
work
memory
*2
+2SN
+1
+2SN
+2
Dead time
table SN
Used by the system as a work area.
S
*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: When control is to be started from the initial status, the data must be cleared with the sequence program.
(2) Execution cycle ( T)
Set the execution cycle in SD1500 and SD1501 as real numbers.