Simatic 505 SoftShop
6 - Programming
••••
89
Mnemonic
Instruction
destination location.
MOVW
Copies words from one location to
another.
MUL
Multiplication
MWFT
Move word from table.
MWI
Copies words from one location to
another using indexed addresses.
MWIR
Copies bits of a word to the discrete
image register, or the control relay
memory.
MWTT
Copies a word to a table.
NC
Normally closed contact.
NEQ
Not equal to.
NO
Normally open contact.
NOP
No operation.
NOT
Inverts power flow.
OS
Turns on output for a single scan.
OTI
Immediate coil
OTIC
Immediate closed coil
OUT
Coil
OUTNC
Coil Normally Closed .
PGTS
Calls an RLL subroutine and passes
parameters to it.
PGTSZ
Calls an RLL subroutine and passes
parameters to it.
Discrete parameters indicated as
outputs are cleared when the
subroutine is not executed.
RET
RSD
Transfers a PROFIBUS-DP slave’s
current diagnostic to user memory.
RST
Reset coil/bit.
RSTI
Immediate reset of a coil/bit.
SBR
Designates the beginning of an RLL
subroutine.
RTN
Returns control from an RLL
subroutine to the main RLL program.
SET
Set coil/bit.
SETI
Immediate set of a coil/bit.
SFPGM
Calls a special function program from
RLL.
SFSUB
Calls a special function subroutine
from RLL.
SHRB
Bit shift register.
SHRW
Word shift register.
SHT
SKP
Selectively enable/disable program