Siemens SIMATIC S5-115U User Manual page 665

S5-115U Manual
List of Abbreviations
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 ( s ystem 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)
EWA 4NEB 811 6130-02b
List of Abbreviations
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