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16 Abbreviations
ADC
Analog-Digital Converter
ASCII
American Standard Code for Information Interchange
AWI
automatic weighing instrument
CPU
Central Processing Unit
DO
Digital output
DR
Data record
DI
Digital input
FC
STEP7 Function call
FB
Function block (S7)
FM
Function module (for S7-300)
G
Gross weight
HMI
Human machine interface (SIMATIC Operator Panel)
HW
Hardware
LC
Load cell(s)
MG
Module group
MID
Measuring instruments directive 2004/22/EC
MMC
Micro-Memory-Card / Multi-Media-Card
MPI
Multi-Point-Interface
NAWI
non automatic weighing instrument
NSW
non automatic weighing instrument
OD
Output Disable (S7)
OIML
Organisation Internationale de Metrologie Legale
OM
Object manager for STEP 7 objects
O&O
Operating & Observing
OP
Operator Panel (SIMATIC)
P-BUS
Peripheral bus (S7)
PC
Personal-Computer
pT
preset Tara (predefined tare-weight for manual taring)
PTB
Physical-Technical-Organization (Certification authorities for
calibratable scales)
RAM
random- access-memory
S7-300
Siemens Automation System for mid-range applications
S7-400
Siemens Automation System for the upper application range
SFC
System Function Call (S7)
STEP 7
Programming device software for SIMATIC S7
SWA
Automatic gravimetric filling instrument
SWE
Automatic Catchweighing instrument
SWT
Discontinuous totalising automatic weighing instrument
T
Tare weight
TIA
Totally Integrated Automation
TP
Touch Panel (SIMATIC)
UDT
Universal Data Table (S7)
WRP
Write Protection
SIWAREX FTA
Abbreviations
16-195
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