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Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
List of Abbreviations
Abbreviation Explanation
AC Alternating current
ADC Analog-to digital converter
AI Analog input
AO Analog output
PLC Programmable logic controller
COMP Compensating terminal
CP Communications processor
CPU Central processing unit of a PLC
DAC Digital-to-analog converter
DB Data block
DC Direct current
DI Digital input
DO Digital output
ESD Electrostatic sensitive devices
EMC Electromagnetic compatibility
EPROM Erasable programmable read-only memory
EWS Apply substitute value
FB Function block
FC Function
FEPROM Flash erasable programmable read only memory
ES Encoder supply
I+ Measuring lead for current input
I
C
Constant-current lead
KV Shunt comparison
L+ Terminal for 24 VDC supply voltage
LWH Hold last valid value
FOC Fiber-optic cable
M Ground terminal
M+ Measuring lead (positive)
M– Measuring lead (negative)
M
ANA
Reference potential of the analog measuring circuit
MPI Multipoint interface
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