User guide

Lenze · 9400 function library · Reference manual · DMS 6.7 EN · 08/2014 · TD05 623
5 Function blocks
5.201 L_TbSub - subtraction
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
5.201 L_TbSub - subtraction
This FB carries out a subtraction without limitation.
Inputs
Outputs
Function library: LenzeToolbox
Runtime software licence:  Motion Control HighLevel  Motion Control TopLevel
Identifier/data type Information/possible settings
dnIn1
DINT
Minuend
dnIn2
DINT
Subtrahend
Identifier/data type Value/meaning
dnOut
DINT
Differential value (result of the subtraction)
• No internal limitation, thus an overflow is possible:
•If the result > 2
31
-1: dnOut = dnIn1 - dnIn2 - 2
32
•If the result < 2
31
: dnOut = dnIn1 - dnIn2 + 2
32
GQ2XWGQ,Q
GQ,Q
DE
/B7E6XE