Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 134

Processing details
■Dead band processing
This function block sets a dead band for the value input from the input variable IN and outputs the result from the output
variable OUT_.
Within the dead band range
D1_+D2_
OUT_=
2
D2_
Input (IN)
D2_  IN  D1_
IN < D2_ or IN > D1_
D1_: Dead zone high limit
D2_: Dead zone low limit
IN: Input value
OUT_: Output value
DBND: Dead band range
Operation error
Error code Description
(SD0)
3402H Input data (IN) or operation constant (D1_, D2_) is a subnormal number or NaN (not a number).
3403H An overflow has occurred.
8 CONTROL OPERATION
132
8.8 Dead Band (M+P_DBND)
Output (OUT_)
D1_
D1_
D2_
TRUE
(within the dead
band range)
Output (OUT_)
D1_+D2_
2
IN
Input (IN)
Dead band range (DBND)
Dead band range (DBND)
TRUE (within range)
FALSE (out of range)