Appendix
A-1
1070 072 143-101
A Appendix
A.1 Abbreviations
AST Application stack
C Counter
C: Disk drive designation
here drive C (Hard drive)
DB Data buffer
DF Data field
DM Data module
EEM Electronicaly endangered module
EI Extended input
EO Extended output
ESD electro static discharge
Abbrevation for all designation realt
ing to electrostatic discharges, e.g.
ESDprotection, ESDrisk.
I Input
II Interfaceinput
IL Instruction list
IO Interfaceoutput
LD Ladder diagram
M Marker
MB Mail box
O Output
OM Organisation module
PE Protective Earth
PM Program module
PCMCIA Personal Computer Memory Card In
ternational Association
SFC Sequential function chart
SM Spezial marker
T Time