Lenze E94A - Manual (Page 623)

Lenze · 9400 function library · Reference manual · DMS 6.7 EN · 08/2014 · TD05
623
5 Function blocks
5.201 L_TbSub - subtraction
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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
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