Program Structure - Bosch CL300 Manual

Flexible Automation
5 Software Description
5.1

Program Structure

Updating of
I/O Images
OM1
MODULE CALL
MODULE CALL
EP
Program break points where an interrupt may be inserted.
Program break points where a time−controlled processing operation
may be inserted.
Due to its modular design, the CL300 controller allows the user to break
up his/her program into functional blocks, i. e. to achieve a clearly struc
tured program. Different module types are available.
The CL300 uses the following module types:
Organizational Modules
D
Program Modules
D
Data Modules
D
PM1
MODULE CALL
MODULE CALL
EM
Fig. 5−1 Relationship of all module types (Example)
Software Description
PM2
MODULE CALL
MODULE CALL
EM
PM3
MODULE CALL
EM
DM1
DM2
5−3