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Terms/Abbreviations
AP 1.0
–
Siemens Automation Protocol Version 1.0
CL
–
Computer Link
CNC
–
Computer Numerical Control
COM Area
–
Communications Area
CP
–
Communications Processor Module
DB/DX
–
Data block class DB or DX
DPR
–
Dual Port Ram (interface between communications processor module and
COM area)
DW
–
Data Word
FB/FX
–
Function block class FB or FX
Fct no.
–
Function number
FMS
–
Flexible Manufacturing System
Frame
–
A data block exchanged between two partners written according to defined
rules
ID
–
Identification
I/O buffer
–
Input/Output buffer
MD
–
Machine Data
MPR
–
Multiport RAM
NC
–
Numerical Control (or CNC)
PLC
–
Programmable controller
STEP 5
–
The program language STEP 5 is used to write the various automation
tasks on the SIMATIC S5 programmable controllers. The program can be
written as a control system flowchart (CSF), a ladder diagram (LAD), a
statement list (STL) or in GRAPH 5.
SW
–
Software
UI
–
User Interface
UII
–
User Interface Input
UIQ
–
User Interface Output