M580 Safety System Words
|
Word
|
Function
|
Type
|
|---|---|---|
|
%SW4
|
Period of the SAFE task defined in the configuration. The period is not modifiable by the operator.
|
R
|
|
%SW12
|
Indicates the operating mode of the Copro module:
Any other value is interpreted as a detected error.
|
R
|
|
%SW13
|
Indicates the operating mode of the CPU:
Any other value is interpreted as a detected error.
|
R
|
|
%SW42
|
SAFE task current time. Indicates the execution time of the last cycle of the SAFE task (in ms).
|
R
|
|
%SW43
|
SAFE task max time. Indicate the longest task execution time of the SAFE task since the last cold start (in ms).
|
R
|
|
%SW44
|
SAFE task min time. Indicate the shortest task execution time of the SAFE task since the last cold start (in ms).
|
R
|
|
%SW124
|
Contains the cause of the detected error in the M580 Safety PAC:
NOTE: The above does not constitute a complete list. Refer to the Unity Pro System Bits and Words Reference Manual for more information.
|
R
|
|
%SW125
|
Contains the cause of the detected error in the M580 Safety PAC:
NOTE: The above does not constitute a complete list. Refer to the Unity Pro System Bits and Words Reference Manual for more information.
|
R
|
|
%SW126
|
These two system words contain information that is for Schneider Electric internal use to help analyze a detected error in more detail.
|
R
|
|
%SW127
|
||
|
%SW128
|
Force time synchronization between internal CPU time and Safe time into the safe IO modules and Safe CPU task:
|
R/W
|
|
%SW142
|
Contains the safety COPRO firmware version in 4 digits BCD: for example firmware version 21.42 corresponds to %SW142 = 16#2142.
|
R
|
|
%SW148
|
Count of error correcting code (ECC) errors detected by the CPU.
|
R
|
|
%SW169
|
AppId. Contains an ID of the safety code part of the application. The ID is automatically modified when the safe application code is modified.
NOTE: The SAFE program unique identifier can be read using the SAID output of the S_SYST_STAT_MX system function block.
|
R
|