User's Manual

Configuring the AS-Interface safety monitor
4.3 Creating and changing a configuration
ASIMON V3 - Configuration software for AS-Interface safety monitor
Programming and Operating Manual, Edition 09/2008, GWA 4NEB 333 1558 02 DS 02
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4.3.6 System devices
System devices are internal variables which the user can use to access intermediate results.
During the calculation timespan (cycle time of the bus system), their values are constant. They
are processed before the configured device is calculated, i.e. they contain the values from the
previous calculation.
Note
Within a configuration, system devices can only be used as auxiliary variables for the logical
linking of states in the logic devices.
System device Icon Index Description
TRUE 1 = static on State always ON
FALSE 17 = static off State always OFF
State of output switching
element 1
2 = main output one State of the output switching element of OSSD 1
Negated state of output
switching element 1
18 = not main output one Negated state of the output switching element of
OSSD 1
State of output switching
element 2
3 = main output two State of the output switching element of OSSD 2
Negated state of output
switching element 2
19 = not main output two Negated state of output switching element of
OSSD 2
State of message output 1 4 = notify output one State of the message output of OSSD 1
Negated state of message
output 1
20 = not notify output one Negated state of the message output of OSSD 1
State of message output 2 5 = notify output two State of the message output of OSSD 2
Negated state of message
output 2
21 = not notify output two Negated state of the message output of OSSD 2
State of OSSD 1 6 = devices started one Result of the OR link of all start devices of OSSD 1
Negated state of OSSD 1 22 = not devices started one Negated result of the OR link of all start devices of
OSSD 1
State of OSSD 2 7 = devices started two Result of the OR link of all start devices of OSSD 2
Negated state of OSSD 2 23 = not devices started two Negated result of the OR link of all start devices of
OSSD 2
State of devices before
start 1
8 = dev before start one Result of the AND link of the states of all monito-
ring, logic and EDM devices of OSSD 1
Negated state of devices
before start 1
24 = not dev before start one Negated result of the AND link of the states of all
monitoring, logic and EDM devices of OSSD 1
State of devices before
start 2
9 = dev before start two Result of the AND link of the states of all monito-
ring, logic and EDM devices of OSSD 2
Negated state of devices
before start 2
25 = not dev before start two Negated result of the AND link of the states of all
monitoring, logic and EDM devices of OSSD 2