Siemens SIMOCODE pro C User Manual

List of abbreviations
A.1 List of abbreviations
SIMOCODE pro
System Manual, 05/2019, A5E40507475002A/RS-AD/004
373
Abbreviation
Term
FC
Feedback closed
SELV Safety Extra Low Voltage
GF, CF
Group fault, control function
SIL Safety Integrity Level
SFB
System function block
SFC
System function
SFF
Safe failure fraction
PLC
Programmable logic controller
Th
Thermistor
TM
Temperature module
DRP
Dry-running protection
T
OFDT
Total one fault delay time (maximum response time when error is present)
T
WCDT
Total worst case delay time (maximum response time in error-free state)
UM
1st generation current/voltage measuring module
UM+
2nd generation current/voltage measuring module
T
UL
Useful lifetime
UM+_TL
2nd generation current/voltage measuring module for dry-running protection
UVO
Undervoltage off
LC
Local control
Cycl.
Cyclic

Siemens SIMOCODE pro C Specifications

General

Brand	Siemens
Model	SIMOCODE pro C
Category	Control Unit
Language	English