Siemens SINUMERIK 802C Manual page 64

Start-Up
4.3 Starting up the PLC
Instruction
Timer Retentive EN=1, Start
On Delay EN=0, Stop
If T
Value
T =1
bit
Timer On Delay EN=1, Start
EN=0, Stop
If T
Value
T =1
bit
Timer Of Delay If T
Value
T =1
bit
Instruction
CU ½, Value+1
Count Up
R=1, Reset
If C
Value
C
bit
CU ½, Value+1
Count Up/Down
CD ½, Value–1
R=1, Reset
If C
Value
C
bit
Count Down If C
Value
C
bit
4-64
Ladder Symbol
≥ PT,
IN
PT
≥ PT,
IN
PT
< PT,
IN
PT
COUNTER
Ladder Symbol
≥ PV, CU
=1
R
PV
≥ PV, CU
CD
=1
R
PV
= 0,
=1
CD
LD
PV
TIMER
Enable: (IN)
Txxx
S0
TONR
Txxx: T0 – T15
Preset: (PT)
VW, T, C, IW, QW, MW, AC,
Constant
100 ms T0 – T15
Enable: (IN)
Txxx
S0
TON
Txxx: T0 – T15
Preset: (PT)
VW, T, C, IW, QW, MW, AC,
Constant
100 ms T0 – T15
Enable: (IN)
Txxx
S0
TOF
Txxx: T0 – T15
Preset: (PT)
VW, T, C, IW, QW, MW, AC,
Constant
100 ms T0 – T15
Cnt Up: (CU)
Cxxx
S1
Reset: (R)
CTU
S0
Cxxx: C0 – 31
Preset: (PV)
VW, T, C, IW, QW, MW, AC, Constant, LW
Cnt Up: (CU)
S2
Cxxx
Cnt Dn: (CD)
S1
CTUD
Reset: (R)
S0
Cxxx: C0 – 31
Preset: (PV)
VW, T, C, IW, QW, MW, AC,Constant, LW
Cnt Down: (CD)
Cxxx
S2
Reset: (R)
CTD
S0
Cxxx: C0 – 31
Preset: (PV)
VW, T, C, IW, QW, MW, AC, Constant, LW
Valid Operands
Valid Operands
SINUMERIK 802C
6FC5 597–3AA20–0BP2 (01.02)