Real-time functions and outputs
166 A03031_24_E00_01 HBM: public QuantumX
10.4 MX879B Multi‐I/O module
The MX879B 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.
MX879B
Analog outputs
Digital In‐/Outputs
Fig. 10.3 MX879B front view
Two analog outputs each (1 and 2, 3 and 4, etc.) have the same ground poten
tials, 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
IEEE1394b 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 parameter
ized by the user. In addition, the rate for DAC is reduced to 96 kS/s through
interpolation.
The MX879B functions are similar to those of the MX878B.
In addition, the MX879B offers a limit value monitoring function.
Limit value monitoring
The limit value unit consists of eight limit value switches for monitoring of eight
signals. Any signal that is available throughout the system can be used as the
input signal.
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