PiXtend eIO Hardware Manual
Connection Notes
The following diagram illustrates the connection of consumers and devices to the analogue
voltage outputs of PiXtend eIO Analog One.
If the outputs are connected with analog inputs of other control units, power amplifiers
(also frequency converter) or similar, the ground connections (GNDs) of the devices and
PiXtend eIO must also be connected. A GND connection can be found on the terminal
block between the analog outputs and inputs.
As with the analog inputs, shielded cables should be used for analog outputs.
The six blue potentiometers on PiXtend eIO Analog One are used during production for
calibration / fine trimming of the analog outputs and then sealed with lacquer.
Warning!
The adjustment screws of the potentiometers must not be operated and
the varnish should not be broken. The accuracy and specification from
this data sheet can not be guaranteed otherwise.
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Figure 46: Principle circuit diagram: connection of the analog voltage outputs
