Description of System Words %SW30 to %SW47
Original instructions
About us
Introduction
NOTE: For M580 safety, system words %SW42 to %SW44 have a specific meaning.
Detailed Description
Description of system words %SW30 to %SW35:
Word
Symbol
%SW30
MASTCURRTIME
%SW31
MASTMAXTIME
%SW32
MASTMINTIME
Function
Master task execution time
Initial State
–
Platforms
M340: Yes M580: Yes M580 Safety: Yes Quantum: Yes Momentum: Yes Premium: Yes Atrium: –
%SW30: This word indicates the execution time of the last master task cycle (in ms). %SW31: This word indicates the longest master task execution time since the last cold start (in ms). %SW32: This word indicates the shortest master task execution time since the last cold start (in ms).
%SW33
FASTCURRTIME
%SW34
FASTMAXTIME
%SW35
FASTMINTIME
Function
Fast task execution time
Initial State
–
Platforms
M340: Yes M580: Yes M580 Safety: Yes Quantum: Yes Momentum: No Premium: Yes Atrium: –
%SW33: This word indicates the execution time of the last fast task cycle (in ms). %SW34: This word indicates the longest fast task execution time since the last cold start (in ms). %SW35: This word indicates the shortest fast task execution time since the last cold start (in ms).
NOTE: Execution time is the time elapsed between the start (input acquisition) and the end (output update) of a scanning period. This time includes the processing of event tasks, the fast task, and the processing of console requests. In a Quantum HSBY configuration, %SW30, %SW31 and %SW32 include the time of Copro Data exchange between Primary and Stand By CPU.
Description of system words %SW36 to %SW47:
Word
Symbol
%SW36
AUX0CURRTIME
%SW37
AUX0MAXTIME
%SW38
AUX0MINTIME
Function
Auxiliary task (AUX0) execution time
Initial State
–
Platforms
M340: No M580: Yes M580 Safety: No Quantum: Yes(1) Momentum: No Premium: Yes(2) Atrium: – 
(1)
Only on 140 CPU 6•• PLCs. 
(2)
Only on TSX P57 5•• PLCs.
%SW36: These words indicate the execution time of the last cycle of the AUX0 task (in ms). %SW37: These words indicate the longest task execution time of the last cycle of the AUX0 task since the last cold start (in ms). %SW38: These words indicate the shortest task execution time of AUX0 task since the last cold start (in ms).
%SW39
AUX1CURRTIME
%SW40
AUX1MAXTIME
%SW41
AUX1MINTIME
Function
Auxiliary task (AUX1) execution time
Initial State
–
Platforms
M340: No M580: Yes M580 Safety: No Quantum: Yes(1) Momentum: No Premium: Yes(2) Atrium: – 
(1)
Only on 140 CPU 6•• PLCs. 
(2)
Only on TSX P57 5•• PLCs.
%SW39: These words indicate the execution time of the last cycle of the AUX1 task (in ms). %SW40: These words indicate the longest task execution time of the last cycle of the AUX1 task since the last cold start (in ms). %SW41: These words indicate the shortest task execution time of AUX1 task since the last cold start (in ms).
%SW42
AUX2CURRTIME
%SW43
AUX2MAXTIME
%SW44
AUX2MINTIME
Function
Auxiliary task (AUX2) execution time
Initial State
–
Platforms
M340: No M580: No M580 Safety: No(3) Quantum: Yes(1) Quantum Safety: No Momentum: No Premium: Yes(2) Atrium: – 
(1)
Only on 140 CPU 6•• PLCs. 
(2)
Only on TSX P57 5•• PLCs. 
(3)
%SW42 to %SW44 have a specific meaning.
%SW42: These words indicate the execution time of the last cycle of the AUX2 task (in ms). %SW43: These words indicate the longest task execution time of the last cycle of the AUX2 task since the last cold start (in ms). %SW44: These words indicate the shortest task execution time of AUX2 task since the last cold start (in ms).
%SW45
AUX3CURRTIME
%SW46
AUX3MAXTIME
%SW47
AUX3MINTIME
Function
Auxiliary task (AUX3) execution time
Initial State
–
Platforms
M340: No M580: No M580 Safety: No Quantum: Yes(1) Quantum Safety: No Momentum: No Premium: Yes(2) Atrium: – 
(1)
Only on 140 CPU 6•• PLCs. 
(2)
Only on TSX P57 5•• PLCs.
%SW45: These words indicate the execution time of the last cycle of the AUX3 task (in ms). %SW46: These words indicate the longest task execution time of the last cycle of the AUX3 task since the last cold start (in ms). %SW47: These words indicate the shortest task execution time of AUX3 task since the last cold start (in ms).
M580 Safety Specific Function
Description of system words %SW42 to %SW44 for M580 safety:
Word
Symbol
%SW42
SAFECURRTIME
%SW43
SAFEMAXTIME
%SW44
SAFEMINTIME
Function
M580 SAFE task execution time
Initial State
–
%SW42: These words indicate the execution time of the last cycle of the SAFE task (in ms). %SW43: These words indicate the longest task execution time of the last cycle of the SAFE task since the last cold start (in ms). %SW44: These words indicate the shortest task execution time of SAFE task since the last cold start (in ms).