EVAL-AD4110-1SDZ User Guide UG-1203
Rev. 0 | Page 17 of 17
DEFAULT MODE OF OPERATION AT POWER-UP
The input pins of the AD4110-1, AIN(+) and AIN(−), can be
configured for voltage or current input. The factory default mode
of operation for the AD4110-1 is current mode. At power-up, the
AD4110-1 accepts an input current and routes it through a low
impedance sense resistor for measurement.
The default mode at power-up is also the mode of operation used
in a “No Power Mode” condition. The power-up mode for the
high voltage channel can be programmed.
From the main window menu, click Mode and then select the
No Power Supply Mode option (see Figure 3). The dialog box
in Figure 26 displays.
The dialog box prompts the user to confirm if they want to
change the default “No Power Mode” mode of operation to
Current Mode or Voltage Mo d e.
After a reset, the AD4110-1 defaults to the mode selected.
If the default mode is set to Current Mode and a current input
is connected to the AD4110-1 inputs, the AD4110-1 maintains
the loop current, even when a power supply is not connected.
The number of changes left for the user is indicated by the text
field shown in Figure 26.
16278-027
Figure 26. Default Mode Selection Dialog Box
ESD Caution
ESD (electrostatic discharge) sensitive device. Charged devices and circuit boards can discharge without detection. Although this product features patented or proprietary protection
circuitry, damage may occur on devices subjected to high energy ESD. Therefore, proper ESD precautions should be taken to avoid performance degradation or loss of functionality.
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