Soluciones y Tecnologías de Control Embebido S.A.P.I. de C.V.
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By changing the logic type of an output, the corresponding indicator will also change color. In
negative logic, for example, the output will remain high at all times and the indicator light will be
red, and will only change to low during the pulse width time that has been configured in said
output. For outputs, also consider that for small pulse widths, ~ 1 ms; the change of color of the
light indicator during the generation of the pulse, would go unnoticed to the naked eye.
The following figure shows the rear panel of the delay generator, which contains a USB
connector for data communication with a PC and / or power supply. To the far right of the rear
panel is the 9VDC-12VDC power connector. The device can be powered either from the USB bus
(connected to a PC or a cell charger), or from the DC-IN connector of 9VDC-12VDC, or both options
at the same time. Internally DC-IN will be chosen to decrease the consumption of the USB bus; but
if DC-IN fails or is removed while USB power is present, the device will automatically continue
uninterrupted power from the current source.
Fig. 2. Rear panel of the Delay Generator with USB port and 9VDC-12VDC Power input, touch
screen is also shown
The figure above also shows the area of the touch display. From the latter, parameters such as:
•
The Logic of Entry
•
The Output Logic
•
The Delay at each Exit
•
The pulse width of each output
