Q
QVZ (timeout error) 5-25
R
reaction time 4-46
reactions with error OBs not loaded 5-21
real-time clock 8-32
results codes
ERAB 3-16, 3-20
CC 1 and CC 0 3-18, 3-61
OR 3-17
OS 3-17
OV 3-17
RLO 2-7, 3-17, 3-20
STA 3-17, 3-20
RI/RJ area 8-14
RLO
see results codes
RS/RT area 8-15
assignment of RS area 8-16
RUN
general 4-29
S
S flags 1-12
S-6 (communication error) 5-32
scratchpad flags 10-53
self-test 5-34
activating/deactivating tests 5-37
control bits 8-40
error handling 5-38
error information 5-39
sequence blocks (SB) 2-12
serial link PG - PLC 11-16
set/reset operation 3-20
shift operations 3-61
software protection 8-35
special functions
calling 6-5
errors in processing 6-6
general 6-4
interfaces to special functions 6-5
STA (status)
see results codes
standard function blocks
see also function blocks
START-UP 3-11
general 3-11, 4-16
interruptions 4-28
triggering 4-17, 4-19
start-up types
comparing 6-64
starting up 10-13
STEP 5 operations 3-15
STL (statement list) 2-4
STOP
mode 4-9
stop operations 3-33
structure of the memory area 8-4 - 8-5
structured programming 2-5
sub-level 4-7
SUF (substitution error) 5-28
suitability of the CPU 948 1-4
supplementary operations 2-4
system data 8-15
system data words
bit assignment 8-18
system interrupt
see interrupt 12-4
system interrupts 7-9
system operations 2-4, 3-59, 9-4
system program 1-7
system program defaults 1-8
system RAM 8-6
system time 6-8, 6-38
T
testing address lines 5-36
testing the block code 5-36
testing the hardware clock 5-35
testing the system program code 5-36
testing the user memory 5-35
time slice 5-34
calculating 5-37
setting the number 5-37
time-controlled processing 1-6
time-controlled program execution 4-33
timed interrupts 4-29, 7-8
timed job 4-35, 6-43
timer and counter operations 3-26, 3-53
timers T 1-13
TRAF (load and transfer error) 5-29
transfer operations 3-21, 3-55
transferring memory fields 9-19
U
user interfaces
for clock-controlled interrupt 4-35
List of Key Words
CPU 948 Programming Guide
Index - 4 C79000-G8576-C848-04