Name Values (Range) Unit Step Default Description
tPulse 0.000 - 60.000 s 0.001 0.200 Operate pulse duration, in [s]
tDelay 0.000 -
60000.000
s 0.010 0.000 Time delay on the output, in [s]
StopAtExtremes Disabled
Enabled
- - Disabled Stop when min or max position is reached
14.5.6 Monitored data
PID-3544-MONITOREDDATA v4
Table 548: SLGAPC Monitored data
Name Type Values (Range) Unit Description
SWPOSN INTEGER - - Switch position (integer)
14.5.7 Operation principle
SEMOD114931-4 v6
The logic rotating switch for function selection and LHMI presentation (SLGAPC) function has two
operating inputs – UP and DOWN. When a signal is received on the UP input, the function will
activate the output next to the present activated output, in ascending order (for example if the
present activated output is P03 and one activates the UP input then the output P04 will be
activated). When a signal is received on the DOWN input, the function will activate the output next
to the present activated output, in descending order (for example if the present activated output
is P03 and one activates the DOWN input then the output P02 will be activated). Depending on the
output settings the output signals can be steady or pulsed. In case of steady signals, the output
will be active till the time it receives next operation of UP/DOWN inputs. Also, depending on the
settings one can have a time delay between the UP or DOWN activation signal positive front and
the output activation.
Besides the inputs visible in the application configuration in the Application Configuration tool,
there are other possibilities that will allow an user to set the desired position directly (without
activating the intermediate positions), either locally or remotely, using a “select before execute”
dialog. One can block the function operation, by activating the BLOCK input. In this case, the
present position will be kept and further operation will be blocked. The operator place (local or
remote) is specified through the PSTO input. If any operation is allowed the signal INTONE from
the Fixed signal function block can be connected. SLGAPC function block has also an integer value
output, that generates the actual position number. The positions and the block names are fully
settable by the user. These names will appear in the menu, so the user can see the position names
instead of a number.
14.5.7.1 Graphical display
SEMOD114931-35 v4
There are two possibilities for SLGAPC
• if it is used just for the monitoring, the switches will be listed with their actual position
names, as defined by the user (max. 13 characters).
• if it is used for control, the switches will be listed with their actual positions, but only the first
three letters of the name will be used.
1MRK 502 066-UUS B Section 14
Control
909
Technical manual
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