Siemens S7-400PLC Especificaciones Pagina 451

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S7-400 Automation System Module Data
Reference Manual, Edition 09/2009, A5E00850736-06
451
List of abbreviations
E
E.1 List of abbreviations
List of abbreviations
Abbreviations Explanations
AC Alternating current
ADC Analog-to-digital converter
AI Analog input
AO Analog output
AS Automation system
STL Statement list (type of representation in STEP 7)
BAF Battery failure
BUS1F; BUS2F LED bus failure on the MPI/PROFIBUS DP interface 1 or 2
CH Channel
COMP Compensation circuit
CP Communications processor
CPU Central processing unit of the PLC
CR Central rack
DAC Digital-to-analog converter
DB Data block
DC Direct current
DI Digital input
DO Digital output
ESD Electrostatic sensitive device
EMC Electromagnetic compatibility
EEPROM Electrically erasable programmable read-only memory
EPROM Erasable programmable read-only memory
ER Expansion rack
ID Input delay
SV Set substitution value
EXM Extension module
EXTF Error LED "external fault"
FB Function block
FC Function
FEPROM Flash erasable programmable read-only memory
FM Function module
FRCE Fiber-optic cable
FC Function block diagram
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