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| The Bar graph and Dot bar displays are two independent analog meters. The full-scale deflection (FSD) is 2.4V DC. In analog meters the position of the needle indicates input amplitude. In this case it is displayed by the glow of a set of LEDs. The resolution of these meters is 120mV per LED. For all the 20 LEDs to glow the input amplitude must be 2.4V DC. The Dot Bar/Bar Graph display module has 20 LEDs for each display. They display graphically, the change in process parameters (analog). The process may be, change in temperature, pressure, flow, strain, load, speed, torque etc. Full-scale deflection (FSD) of each display is 2.4 V DC. The output of DAC module can be connected to this module to display programmable analog output. |
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