Siemens SIMATIC 505 User Manual page 94

88 • • • • 6 - Programming
Mnemonic
DRUM
DSET
EDRUM
END
EQU
FRS
GEQ
GTR
GTS
IMC
IORW
JMP
JMPE
LBL
LDA
LDC
LEQ
LESS
LOCK
MCAT
MCR
MCRE
MDRMD
MDRMW
MIRF
MIRT
MIRW
MOVE
Instruction
Simulates electro-mechanical stepper
switch.
Sets date in real-time clock.
Simulates electro-mechanical stepper
switch. Can be indexed by timer,
event, or timer and event.
Unconditionally terminates a scan.
Equal to.
Force role swap
Greater than or equal to.
Greater than.
Calls a subroutine.
Compares status of discrete points
with a specified bit pattern in a set of
patterns.
Does immediate read or write to
discrete or word I/O.
Freezes outputs in zone of control.
Freezes outputs in zone of control.
Selectively enable/disable program
segments during scan.
Copies the logical address of a
memory location into a memory
location.
Copies the logical address of a
memory location into a memory
location.
Less than or equal to.
Less than
Used together with UNLOCK and
provide a mechanism whereby
multiple applications in the 575
system can coordinate access to
shared resources.
Motor control alarm timer.
Master control relay.
Master control relay.
Drum; uses configurable mask to
control coils.
Drum; uses configurable mask to
write to words.
Copies a table into the control relay
memory or discrete image register.
Copies status of control relays or
discrete image register bits to table.
Copies bit status from control relays
or discrete image register to a word.
Copies bytes, words, or long words
from a source location to a
Simatic 505 SoftShop