Technical data
system program 1-8, 6-95 - 6-97
user program 1-10
Program blocks (PB) 2-13, 2-17
Program processing levels
general 6-16, 6-22
level number 6-98
Programming
general 1-17
programming language
GRAPH 5 1-20
SCL 1-20
STEP 5 1-20
Programming language SCL 1-20
Programming tools 1-20
Q
QVZ (timeout error) 5-29, 5-53
R
RAM submodule 3-10
REG-FE (controller error) 5-30, 5-58
Response time 4-44
RESTART
errors during restart 5-32
errors in restart 5-38 - 5-62
restart types 6-93
Results codes
ERAB 3-16, 3-20
CC 1 and CC 0 3-18, 3-60
OR 3-17
OS 3-17
OV 3-17
RLO 2-7, 3-17, 3-20
STA 3-17, 3-20
RLO
See results codes
RS/RT area 8-15
RUN
errors in RUN 5-38 - 5-62
general 4-4, 4-27 - 4-44
S
S flags 1-14
Scratchpad flags 10-51
Semaphores 3-71 - 3-78
Sequence blocks 2-17 - 2-24
Sequence blocks (SB) 2-13
Serial link PG - PLC 11-19
Set/reset operations 3-20, 3-51
Shift operations 3-60
Shift register 6-101
Special functions
errors during special function
processing 6-9
general 6-6
interfaces 6-8
Special functions OBs 6-6
STA (status)
See results codes
Standard function blocks
See also function blocks
START-UP 3-11
general 3-11
STEP 5 operations 3-15
STEP 5 programming language 2-4 - 2-16
STL (statement list) 2-4
STOP 4-4
Stop operations 3-33
Structure of the memory area 8-4, 8-6
Structured programming 2-5
Suitability of the CPU 928B 1-4
Supplementary operations 2-4
System checkpoint 11-5
System data 8-15
System data words
bit assignment 8-18
System data words RS 3 and RS 4 5-6, 5-33
System operations 2-4, 3-58
System program 1-8
System program defaults 1-9
System RAM 8-6
System time 6-28
T
TIME INTERRUPT 4-8, 4-10, 4-28
Time interrupts
at fixed intervals 4-28
clock-controlled 4-27
interrupt points 4-36
interruptions 4-36
Time-controlled processing 1-7
Time-driven program execution
clock-controlled (time interrupt) 4-27
clock-driven time interrupt 4-31
delay interrupt 4-31
in fixed time bases (time
interrupts) 4-28, 4-35
time interrupts 4-31
Timed job, generate 6-33
Timer and counter operations 3-26, 3-52
Index
CPU 928B Programming Guide
14 - 8 C79000-T8576-C898-01