Siemens SM2 monitoring system User Manual
10
U3585-J-Z125-8-76
Overview
SM2 monitoring program
Figure 1: SM2 configuration
...
SM2
administrator
administrator
SM2
user
user
SM2
user
user
Monitored
task
task
SM2
buffer
buffer
BS2000
system kernel
system kernel
SM2
global write
task
global write
task
SM2
user write
task
user write
task
Flow of
monitored data
monitored data
Communication for
controlling monitoring
operations
controlling monitoring
operations
Boundary between
privileged and
nonprivileged
program sections
privileged and
nonprivileged
program sections
Privileged
SM2 code
SM2 code
Nonprivileged
SM2 code
SM2 code
SM2
file
file
User
output file
output file
Key:
SM2
monitoring
task
monitoring
task