153Functions and outputs
HBMQuantumX
7.4 MX879 multi-I/O module
The MX879 module is a multi-I/O module with eight analog outputs and 32 digital I/Os that
can be accessed on the front panel via plug terminals.
MX879
Analog outputs
Fig. 7.4: MX879 front view
Two analog outputs each (1 and 2, 3 and 4, etc.) have the same ground potentials, for the
others electrical isolation applies between them and the voltage supply ground.
The modules can receive all signals that are isochronously available on the Firewire.
The settings for this are implemented with the QuantumX Assistant. Before output at the
analog output, the signal passes through an output characteristic curve parameterized by the
user (2 point scaling) and a filter also parameterized by the user. In addition, the rate for DAC
is reduced to 96 kS/s through interpolation.
The MX879 functions are similar to those of the MX878.
In addition, the MX879 offers a limit value monitoring function.
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