A Appendix A
A
A.1 A.1 List of abbreviations
List of abbreviations
Table A-1 List of abbreviations
Abbreviation Explanation
IA Automation system
O Output
HMI Operator control and process monitoring
DB Data block
DP Distributed I/Os
DP (drive) Distributed I/Os for drives
E Input
EU Expansion Unit
FB Function block
FC Function
GD Global data
HMI Human Machine Interface
IM Interface module
M Flags
MC Motion Control
MMC Micro Memory Card
MPI Multipoint Interface
OB Operation Block
OP Operation Panel
PIO Process image of outputs
PII Process image of inputs
PG Programming device
PS Power Supply
SFC System Function Call
T Timer
TD Text Display
C Counter
CR Central rack
S7-300 CPU Data: CPU 315T-2 DP
Manual, 12/2005, A5E00427933-02
A-1