Crestron
ST-1700CIR
IR Wireless Touchpanel
SIMPL Windows Procedures
Momentary Feedback
Momentary feedback is when the button feedback state is active as long as the button
is pressed and inactive when it is not being pressed. Momentary feedback does not
require anything special in the SIMPL Windows program. You simply connect the
signal from the appropriate touchpanel join number to the logic in the program (to
the feedback of the same digital press).
Interlock Feedback
Interlock feedback is when the feedback of only one button in a group may be active
at any one time. Pressing a button causes its feedback to go high and the feedback of
all other buttons to become inactive, or low, as shown in the figure adjacent to this
paragraph. In this example, join numbers 7 – 10 are in an interlock group; join 7 is
pressed, causing join 8, initially high, to go low and join 7 to go high.
INTERLOCK
J7
J8
J9
J10
To
Controlled
Device
F7
F8
F9
F10
The one-way touchpanels transmit
only
the newly pressed button to the control
system. The programmer must add a SIMPL Windows INTERLOCK symbol and
connect all of the touchpanel output's join numbers in that interlock group as inputs
to the INTERLOCK symbol. All of the outputs are then used to drive the appropriate
logic. Note that the output of the interlock corresponding to the pressed button
remains high even after the button is released, until the next button is pressed.
Toggle Feedback
INTERLOCK Performing
TOGGLE Function
J7
F 7
J507
F507
Toggle feedback is when the feedback of a button alternates between active and
inactive each time the button is pressed. As in the interlock, the toggle feedback
remains high even after the button is released, until the button is pressed again.
Because there is no way to communicate the state of the toggle button between the
panel and the control system by using that single button, Crestron models a toggle on
a one-way panel as a two-button interlock group, as shown to the left of this
paragraph. The button shown on the panel is the first button. The second button
(invisible, Crestron-created, not user-created) is the original button's join
500, e.g. 1 and 501, 101 and 601, etc. Since there are only 999 join numbers allowed
by Crestron's IR
protocol, a toggle button may only have a join number of 499 or
below.
Be aware that you must not use the toggle join n500 for other purposes.
Crestron recommends that you keep toggle buttons in one numeric range (such as
100-150) and then make sure you do not use anything in the corresp500
range (600-750).
When the user first presses and releases the toggle button, the panel transmits the
join number press and release. The next time the user presses and releases the toggle
button, the panel transmits the join 500 press and release, and then
continues to alternate between them. By this method, Crestron knows that the user is
explicitly turning the toggle on or explicitly turning it off, so that the state on the
control system and the state on the touchpanel will match.
The programmer must place an INTERLOCK symbol in the SIMPL Windows
program and connect both the join number and the join 500 to it. The
feedback corresponding to the original join number should be used to drive the logic
corresponding to the toggle being turned on, and the feedback corresponding to the
join number offset by 500 is used to drive the logic corresponding to the toggle being
turned off.
Operations Guide – DOC. 6469
SmarTouch™ IR Wireless Touchpanel: ST-1700CIR
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