Siemens SIMATIC - List of abbreviations

S7-300 Module data
626 Manual, 06/2017, A5E00105505-AJ
List of abbreviations
H
H.1 List of abbreviations
Abbreviations
Explanations
AC Alternating current
ADC
Analog-to-Digital Converter
AI
Analog input
AO
Analog output
AS
Automation system
COMP+ / -
Compensation line (positive / negative)
CP Communications processor
CPU
Central Processing Unit of the 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
SSV
Set substitution value
FB
Function block
FC
Function
FEPROM
Flash Erasable Programmable Read-Only Memory
ES
Encoder supply
I+
Measuring line for current input
I
C
+ / -
Constantcurrent line (positive negative)
KV+ / -
Cold spot comparison (positive / negative)
L+
Power supply 24 VDC
HLV Hold last valid value
FOC
Fiber-optic conductor
M
Ground
M+ / -
Measuring line (positive / negative)
M
ANA
Reference potential of the analog measuring circuit
MPI
Multipoint interface
OB
Organization block
OP
Operator panel