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Saia-Burgess Controls AG
Manual
Manual PCD 1 / PCD 2 Series
│ Document 26
/
737 E
N22 │ 2013-11-26
CPUs and expansion housings
3-6
System resources
3
3.3.4 Program structure for the Saia PCD
®
Classic family
COB 15
COB ..
COB 0
XOB 31
XOB ..
XOB 0
PB 299
PB ..
PB 0
FB 999
FB ..
FB 0
STep
TRansition
SB 0
SB ..
SB 31
Program blocks
Sequential blocks
Cyclically organized blocks
Exceptions / system-dependent blocks
Function blocks
More information on this subject can be found in TIs 26/362 (PG5) and
26/354 (Operating system)