Important Explanations • 3
Fieldbus Dependent I/O Module
PROFIBUS DP
1.4 Abbreviations
BF
Bus Failure
DGND
Data tranmission potential (according to VP)
DIx
Digital input „x“
DOx
Digital output „x“
DSx
Diagnostic status for the output group „x“
GSD
Gerätestammdaten (master file of devices)
PNO
PROFIBUS Nutzerorganisation e.V. (User Organisation)
RTS
Request To Send
RxD/TxD-N
Reseive and Transmit Data -N, A line
RxD/TxD-P
Reseive and Transmit Data -P, B line
VP
Voltage Supply Plus, (+5 V) of the terminating resistor
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