Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 1333

■Block memory
Operand: (d1)
Device Symbol Name
+0 BW Output value
+1
+2 BB BB1 Dead band
operation
■Operation constant
Operand: (s2)
Device Symbol Name
+0 D1 Dead band
+1 upper limit
+2 D2 Dead band
+3 lower limit
Processing details
This instruction provides a dead band and performs output processing.
BW D1+D2
2
D1
D2
D2
D1
BB1 1
0
D1: Dead band upper limit, D2: Dead band lower limit
The S.DBND instruction performs the following operations.
Condition
D2E1D1
(E1<D2) or (E1>D1)
Operation error
Error code
3402H
3403H
Recommended range
-999999 to 999999 [%]
...
b15
0: Out of dead band range
1: Within dead band range
Recommended range
-999999 to 999999
-999999 to 999999
E1
BW
D2+D1
2
E1
Error content
The value specified by (s1) or (s2) is a subnormal number or NaN (not a number).
An overflow has occurred.
Data type
Single-precision
real number
16-bit unsigned
b0
binary
Data type
Single-precision
real number
Single-precision
real number
BB1
1
0
11 PROCESS CONTROL INSTRUCTIONS
11.3 Control Operation Instructions
Standard Set by
value

System
 System
11
Standard Set by
value
100.0 User
0.0 User
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