5.4 Tool I/O
5.4.1.1 Using the Tool Digital Outputs
The example below illustrates how to turn on a load, when using the internal 12V
or 24V power supply. Remember that you have to define the output voltage at the
I/O tab. Keep in mind that there is voltage between the POWER connection and
the shield/ground, even when the load is turned off.
Note: It is highly recommended to use a protective diode for inductive loads, as
shown below.
5.4.2 Tool Digital Inputs
The digital inputs are implemented as PNP with weak pull-down resistors. This
means that a floating input will always read low. The electrical specifications are
shown below.
Parameter Min Typ Max Unit
Input voltage -0.5 - 26 V
Logical low voltage - - 2.0 V
Logical high voltage 5.5 - - V
Input resistance - 47k - Ω
An example of how to use a digital input is shown in the following subsection.
5.4.2.1 Using the Tool Digital Inputs
The example below shows how to connect a simple button.
UR5/CB3 I-40 Version 3.4.5
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