MCi210 User Guide
21
Issue Number: 2
Safety
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If the module contains a user program this parameter displays its status otherwise it displays 0 (no
program present).
This parameter is updated once per second and shows the average resource free (amount of CPU
resources available for the user non-cyclic tasks) during that period. This parameter is not
calculated synchronously with the cyclic task(s).
Cyclic tasks, with the exception of the freewheeling task, have a higher priority and will normally
have a duration of less than one second so this parameter will give an indication of the average
system free resource, but if cyclic tasks execute for more than one second without being
rescheduled this parameter may show 0 % resource free, as during the most recent sample period
the cyclic tasks took all of the system resource. This is normal.
This parameter is calculated only when the user program is running. When the user program is not
running the parameter is set to 100 %.
When set to 1 (On) the user program will start automatically on a module reset or at power up.
When set to 1 (On) the module may cause the drive to trip when a run-time error occurs.
Value
Text
Description
0
None
No user program is present
1
Stopped
The user program is not running
2
Run
The user program is running
3
Error
Run-time error
S.01.004
Available CPU Resources
Minimum
0
Maximum
100
Default
Units
%
Type
8 Bit Volatile
Update Rate
Written every 1 s
Display Format
None
Decimal Places
0
Coding
RO, ND, PT, BU
S.01.013
Auto-run enable
Minimum
0 Maximum
1
Default
1
Units
Type
1 Bit User Save
Update Rate
Read during
initialization
Display Format
None
Decimal Places
0
Coding
RW, NR, BU
S.01.014
Global run-time trip enable
Minimum
0
Maximum
1
Default
0
Units
Type
1 Bit User Save
Update Rate
Read during
initialization
Display Format
None
Decimal Places
0
Coding
RW
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