Crestron ST-DSN Specifications download pdf (Page 23)

Crestron ST-1700C 1-Way Wireless RF Touchpanel

“Feedback” Window

VT Pro-e always generates the proper virtual feedback logic and appends it to the

compiled VT Pro-e file for upload to the panel. However, you must add similar logic

to the control system via SIMPL Windows.

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 following 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 join7 to go hi. 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.

INTERLOCK

J10

To Controlled

Device

F10

Operations Guide – DOC. 6225A 1-Way Wireless RF Touchpanel: ST-1700C • 19

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Crestron ST-DSN Specifications Page 23