S5-115U Manual
List of Abbreviations
EWA 4NEB 811 6130-02b
3
Abbreviations
Explanation
PROT
DB1 parameter (activate software protection)
PS
Power supply
PW
Peripheral word
(0 to 126)
Q
Output
(0.0 to 127.7)
QB
Output byte
(0 to 127)
QW
Output word
(0 to 126)
RC
DB1 parameter (set retentive feature of the counter)
RDLY
DB1 parameter (restart delay)
RF
DB1 parameter (set retentive feature of the flags)
RLO
Result of logic operation
RM
DB1 parameter (SINEC L1, position of the receive mailbox)
RS
System data area
- for load operations (supplementary operations)
and transfer operations (
system operations)
(0 to 255)
- for bit test and set operations
(system operations)
(0.0 to 255.15)
RT
DB1 parameter (set retentive feature of the timers)
SAC
STEP address counter
SAV
DB1 parameter (save time - after POWER OFF or RUN STOP)
SB
Sequence block
CPU 942/943/944 (0 to 255)
SET
DB1 parameter (set clock)
SF
DB1 parameter (SINEC L1, position of the send mailbox)
SFB
DB1 parameter (the number p of the integral FB is replaced by the
number q)
SLN
DB1 parameter (SINEC L1, slave number)
STL
Statement list in STEP-5 representation
STP
DB1 parameter (update clock in CPU STOP state)
STW
DB1 parameter (position of the status word)
T
Timers
- for supplementary operations
”Bit test” and ”Set”
(0 to 127) and (0.0 to 127.15)
TIS
DB1 parameter (stop timer)
WD
DB1 parameter (scan time monitoring)
List of Abbreviations
Содержание SIMATIC S5-115U
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