Siemens SINUMERIK 802D sl Betriebsanleitung Seite 344

Inbetriebnahme der PLC
9.6 PLC-Programmierung
Tabelle 9- 9 OTHER BOOLEAN INSTRUCTIONS
Instruction
Edge Up prior ↗ close
(1 PLC cycle)
Edge Down prior ↘ close
(1 PLC cycle)
Logical Not prior 0, later 1
prior 1, later 0
No operation
Tabelle 9- 10 BYTE COMPARES
Instruction
Load Byte = a = b close
And Byte = a ≠ b open
Or Byte =
Load Byte≥ a ≥ b close
And Byte ≥ a < b open
Or Byte≥
Load Byte ≤ a ≤ b close
And Byte ≤ a > b open
Or Byte ≤
Load Byte ≠ a ≠b close
And Byte ≠ a = b open
Or Byte ≠
Load Byte > a > b close
And Byte > a ≤b open
Or Byte >
Load Byte < a < b close
And Byte < a ≥b open
Or Byte <
344
OTHER BOOLEAN INSTRUCTIONS
Ladder Symbol
BYTE COMPARES (Unsigned)
Ladder Symbol
Valid Operands
n = 0 ... 255
Valid Operands
a: VB, IB, QB, MB, SMB, AC, Constant, LB
b: VB, IB, QB, MB, SMB, AC, Constant, LB
Drehen, Fräsen, Schleifen, Nibbeln
Betriebsanleitung, 03/2011, 6FC5397-0CP10-7AA0