User`s manual

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MELSEC-Q
10 COMPENSATION OPERATION INSTRUCTIONS
Control data
(1) Data specified in S.FLT instruction
Specified position Symbol Name Recommended range
*1
Unit Data format
Standard
value
Store
Input data
S1
+0
+1
E1 Input value -999999 to 999999
Real
number
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 s
Real
number
1.0 U
Operation
constant
+2 SN
Sampling
count
0 to 48
BIN
16Bit
0U
D2
+0
+1
ST’
Last data
collection
interval
Real
number
S
+2 SN’
Last sampling
count
BIN
16Bit
S
+3 i Cycle counter
BIN
16Bit
S
+4 n1
Number of
stored data
BIN
16Bit
S
+5 n2 Store
Used by the system as a work area.
BIN
16Bit
S
+6
+7
+8
+9
1
Dead time
table 1
+10
+11
2
Dead time
table 2
Local
work
memory
*2
+2SN+6
+2SN+7
SN
Dead time
table SN
Used by the system as a work area.
Real
number
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: 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.