Bosch CL300 Manual page 67

Flexible Automation
4.2 Central Processing Units ZE 300/301
4.2.1 Function
The ZE300 is used in the GG300/300−K Basic Unit. The ZE301 can be
used both in the GG300/300−K and the GG301/301−K Basic Units. The
ZE301 allows the use of intelligent system modules and remote expan
sion units.
The ZE central processing unit is the heart of the CL300 Controller and
has the following functions:
Reading of input data
D
Decoding and processing of the PLC instructions in the user pro
D
gram
Data output
D
Management of the data supplied by intelligent modules
D
Management of the addressed timers
D
Monitoring of the operations initiated by the user
D
Detection of interrupt signals
D
System Modules
4−15