3.1.2 Triggers
$G
Go
$S
Stop
$H
Hold
$C
Continue
$Q
Query
$Q.P
Path
$Q.H
Highest
Index
$Q.N"i" Name
$D
Detail-Info
$U
qUit
784 KFP Titrino
Triggers initiate an action on the Titrino, for example, starting a process or
sending data. Triggers are marked by the introductory symbol $.
The following triggers are possible:
Starts processes, e.g. starting the mode run or setting the RS 232 interface
parameters
Stops processes
Holds processes
Continues processes after Hold
Queries all information from the current node in the tree forward up to and
including the values
Queries the path from the root of the tree up to the current node
Queries the number of son nodes of the current node
Queries the name of the son node with index i, i = 1 – n
Queries the detailed status information
Aborts the data flow of the instrument, for example, after $Q
The triggers $G and $S are linked to particular objects, see the summary table
page 52ff.
All other triggers can be used at any time and at all locations on the object
tree.
Examples :
Querying the value of the baud rate: &Config.RSSet.Baud $Q
Querying all values of the node "RSSet": &Config.RSSet $Q
Querying the path of the node "RSSet": &Config.RSSet $Q.P
Start mode: &Mode $G
Querying the detailed status: $D
3.1 General rules
47