User manual

Simatic 505 SoftShop 6 - Programming •
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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