Mitsubishi Electric MELSEC iQ-R Series - Page 1333

11 PROCESS CONTROL INSTRUCTIONS
11.3 Control Operation Instructions
1331
11
■Block memory
■Operation constant
Processing details
This instruction provides a dead band and performs output processing.
D1: Dead band upper limit, D2: Dead band lower limit
The S.DBND instruction performs the following operations.
Operation error
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 Dead band
operation
0: Out of dead band range
1: Within dead band range
16-bit unsigned
binary
 System
Operand: (s2)
Device Symbol Name Recommended range Data type Standard
value
Set by
+0
+1
D1 Dead band
upper limit
-999999 to 999999 Single-precision
real number
100.0 User
+2
+3
D2 Dead band
lower limit
-999999 to 999999 Single-precision
real number
0.0 User
Condition BW BB1
D2E1D1 1
(E1<D2) or (E1>D1) E1 0
Error code Error content
3402H The value specified by (s1) or (s2) is a subnormal number or NaN (not a number).
3403H An overflow has occurred.
b15 b0
BB1
...
D1
D2
D2
D1
E1
BW
BB1 1
0
2
D1+D2
D2+D1
2