Siemens SINUMERIK 802C Manual page 65

Instruction
Word Add If EN = 1,
Word Subtract b = a + b
b = b – a
DWord Add If EN = 1,
DWord Subtract b = a + b
b = b – a
Multiply If EN = 1,
b = a x b
Divide If EN = 1,
b = b ÷ a
Out:
16 bit remainder
Out+2:
16 bit quotient
Add If EN = 1,
Subtract b = a + b
Real Numbers b = b – a
Multiply If EN = 1,
Divide b = a x b
b = b ÷ a
Real Numbers
SINUMERIK 802C
6FC5 597–3AA20–0BP2 (01.02)
MATH OPERATIONS
Ladder Symbol
Enable: EN
ADD_I
In:
EN
ENO
IN1
Out:
OUT
IN2
Enable: EN
SUB_DI
In:
EN ENO
Out:
IN1
OUT
IN2
Enable: EN
MUL
In:
EN
ENO
IN1
Out:
OUT
IN2
Enable: EN
DIV
In:
EN
ENO
IN1 Out:
OUT
IN2
Enable: EN
ADD_R
In:
EN
ENO
IN1 Out:
OUT
IN2
Enable: EN
MUL_R
In:
EN ENO
Out:
IN1
OUT
IN2
Start-Up
4.3 Starting up the PLC
Valid Operands
VW, T, C, IW, QW, MW, AC,
Constant, LW
VW, T, C, IW, QW, MW, AC, LW
VD, ID, QD, MD, AC, Constant, LD
VD, ID, QD, MD, AC, LD
VW, T, C, IW, QW, MW, AC,
Constant, LW
VD, ID, QD, MD, AC, LD
VW, T, C, IW, QW, MW, AC,
Constant, LW
VD, ID, QD, MD, LD
VD, ID, QD, MD, AC, Constant, LD
VD, ID, QD, MD, AC, LD
VD, ID, QD, MD, AC, Constant, LD
VD, ID, QD, MD, AC, LD
4-65