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3 Features and Functions
You can set the output voltage to any value between ±12 VDC, in 100 μV steps. Each DAC is earth referenced, it
cannot float. Each DAC channel is capable of supplying 15 mA maximum current during output voltage mode. Or
you can set the DAC to constant current mode, to output any current between ±24 mA, in 0.2 μA steps.
Each DAC channel is capable of supplying 24 mA maximum current.
You must limit the output current to 40 mA for each slot (two DAC channels).
The actuator/general purpose switch
You can think of the DAQM903A Actuator as a control output because it is often used to control external power
devices. The actuator provides 20 independent, isolated Form C (SPDT) switches.
Each channel can switch up to 300 V DC or AC rms. Each switch can also switch up to 1 A DC or AC rms up to
maximum 50 W. For example, the maximum current that you can switch at 120 V is 0.45 A as shown below:
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Keysight DAQ970A/DAQ973A User's Guide
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