Siemens SINUMERIK 802C - Math Operations

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