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VTK-VS-BA-015e-A | User Manual MDS 3200+ Series
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Operation
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6.8 Scenarios
The MDC 3200
+
does not only allow you to save setups of parameters, but also to define
combinations of setups, so called scenarios.
6.8.1 Basics about Scenarios
Each scenario consists of up to ten setups, each with a specific scenario delay and a Number
of Pulses. You can define up to four scenarios. You can only choose between the setups 0, 1,
2 and 3. A maximum of ten setups can be chained together, consisting of any possible com-
bination of the four potential setups 0, 1, 2 and 3. As soon as you enter “-“ when selecting a
setup, the chain ends. No further setups will be shown in the menu. This is possible even for
the first setup you select. Then the working configuration (setup 0) would be executed.
For each setup in a scenario, you can enter a Number of Pulses. For this scenario the number
then replaces the Number of Pulses saved with the original setup. The value can be between
1 and 32,000 or “infinite”. With “infinite”, the end is defined by the trigger signal (see next
part) .
The scenario delay marks the time span between two setups. It can be set in the range of
0,1 ms and 1000 ms.
IMPORTANT NOTE! (Scenario delay with heater)
With a nozzle heater in use, the minimum scenario delay is 2,0 ms, just like the normal de-
lay.
Each scenario has a scenario PLC-stop, which is either “ON” or “OFF”. If it is “ON”, you can
end the scenario prematurely. The moment the trigger switches to “low”, the scenario ends.
When it is “OFF”, the trigger only affects a setup on “infinite” number of pulses. In that case,
once the trigger is switched to “low”, the systems moves on to the scenario delay, followed
by any setups still to come. Unlike the “ON” situation, the scenario does not end immediate-
ly.
Scenarios can be controlled via keypad
(see next part)
or with remote commands via the se-
rial interface RS-232C
(see part 7.1.2)
. You have to set item “Scenario“ of the submenu “Sce-
nario“ to “ON“. While this is the case, the display shows ”Scenario” where it usually shows
the frequency. Scenarios can also be controlled directly via select pins (see part 6.8.3) .
6.8.2 Entering Scenarios
To enter the parameters for a scenario you have to go to the submenu “Scenario“
(see part
4.1.5.6, submenu “Scenario“)
. To do so, you have to press [enter] in the main menu and
then [arrow left] twice
(or four times
[arrow right]
)
. Confirm with [enter] to reach the item
“Scenario“. Press [enter] and use either [arrow up] or [arrow down] to switch between
“ON“ and “OFF“. Select “ON“ and confirm your choice with [enter] .
Now you can select the desired scenario with [arrow right]
(see also part 4.1.5.6, submenu
“Scenario“, the diagram for the submenu “Scenario-Def”)
. Press [enter] . Enter the first setup
(“0”, “1”, “2”, “3” or “-“)
and confirm with [enter] . With [arrow right] you reach “ScNP”,
where you can enter the number of pulses. For the scenario this value will replace the one
saved within the setup. Values can be between 1 and 32,000 or “infinite”. Confirm with [en-
ter] . With another [arrow right] you reach “ScDL”, where you can set the scenario delay. Af-
terwards confirm with [enter] .
Repeat with the second setup and so on, until you have entered all setups you need or
reached the maximum of ten defined setups. When you want to end the chain, enter “-“ in-
stead of the number of a setup. No further setup will be shown in the menu. If you replace a
“-“ on a given setup with a correct number, it is unlocked. The systems starts with the setup
NP and 10 ms as Scenario-Delay, but you can change these values individually.
With
[arrow right] after the last setup you reach “PLCStop”
(Scenario-PLC-Stop)
. After press-
ing [enter] you can switch between “ON” and “OFF”
(using any arrow key)
. Confirm your
choice with [enter] .
(If PLCStop is your only goal in this submenu, it is faster to click
[arrow
left]
once on this level. Like all other menus this is “wrap-around”.)