Siemens SIMATIC SM 335 Manual page 113

List of Abbreviations
The abbreviations used in this documentation are listed in alphabetical order in the
appendix, along with the corresponding explanations.
Abbreviation
AC
ADC
AO
CPU
DAC
DB
DC
EMC
EPROM
KLV
L+
M+
M
M
OB
OCV
SF
SFB
SFC
SM
U
SM 335 – High-Speed Analog Input/Output Module for the SIMATIC S7-300
6ES7 335-7HG00-8BA1
Alternating current
Analog/digital converter
AI Analog input
Analog output
Central processing unit
Digital/analog converter
Data block
Direct current
Electromagnetic compatibility
Erasable programmable read-only memory
Keep last value
Terminal for 24 V DC supply voltage
M Ground terminal
Measuring lead (positive)
Measuring lead (negative)
–
Reference potential of the analog measuring cir-
ANA
cuit
Organization block
Output have no current or voltage
Group error LED
System function block
System function
Signal module
Common mode voltage
CM
Explanation
A
A-1