Mitsubishi Electric MELSEC iQ-R Series - Page 1359

11 PROCESS CONTROL INSTRUCTIONS
11.4 Correction Operation Instructions
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11
■Block memory
■Operation constant
■Local work memory
The system uses this area as a work area.
To start the control from the initial status, clear data by using a sequence program.
*1 The cycle counter value is rounded off to the nearest whole number.
■Execution cycle (T)
Set the execution cycle (T) in SD816 and SD817 in single-precision real number.
Operand: (d1)
Device Symbol Name Recommended range Data type Standard
value
Set by
+0
+1
BW Output value -999999 to 999999 Single-precision
real number
 System
+2 BB BB1 Data sufficiency
bit
0: Data sufficient
1: Data insufficient
Unsigned
16-bit binary
data
 System
Operand: (s2)
Device Symbol Name Recommended range Data type Standard
value
Set by
+0
+1
ST Data sampling
interval
0 to 999999 [s]
Set a value within the following range.
Single-precision
real number
1.0 User
+2 SN Sampling count 0 to 48 16-bit unsigned
binary
0User
Operand: (d2)
Position Symbol Name Recommended range Data type Standard
value
Set by
+0
+1
ST' Last data
sampling
interval
 Single-precision
real number
 System
+2 SN' Last sampling
count
16-bit unsigned
binary
System
+3 i Cycle counter
*1
16-bit unsigned
binary
System
+4 n1 Number of data
blocks stored
16-bit unsigned
binary
System
+5 n2 Storage address 16-bit unsigned
binary
System
+6
+7
   
+8
+9
1 Dead time table
1
 Single-precision
real number
 System
+10
+11
2 Dead time table
2

+2SN+6
+2SN+7
SN Dead time table
SN
b15 b0
BB1
...
©T
ST
<=32767