SBC PCD1.Room - System Resources; Program Blocks

Hardware Manual PCD1.M2110R1 │ Document 27-619 │ Version ENG 04 │ 2018-08-20
Saia-Burgess Controls AG
System Resources
CPU / Control Process Unit
3-9
3
3.6 SystemResources
SystemresourcesaredescribedonthebasisofPCD1.M2120.Thedi󰀨erences
between the individual PCs can be seen in 3.1.
3.6.1 ProgramBlocks
Model Number Addresses Comments
Cyclical Organisation Blocks (COB) 32 0…31 Main program elements
Exception/system-dependent
organisation blocks (XOB)
64 0…63 Called from the system
Program Blocks (PB) 1000 0…999 Subprograms
Function blocks (FB) 2000 0…1999 Subprograms with parameters
Sequential blocks (SB) a total
of 6000 steps and transitions
96 0…95 Sequential processes for Graftec
programming
Bloc structure
FB 999
(.. 1999)
PB 299
(.. 999)
COB 15
(.. 31)
COB ...
COB 0
XOB 31
(.. 31)
XOB ...
XOB 0
PB ...
PB 0
FB ...
FB 0
SB 31
(95)
SB ...
SB 0
Step
0..2000
(..6000)
Transition
0 ..2000
(..6000)
ST
TR
IST
Main- and system programblocs
Sub- and function programblocs
Sequential programblocs