Configuration of digital inputs/outputs (X142)

时间：2021-07-28

You configure the required digital input/outputs and operating modes over interface X142.

Overview of supported operating modes

You can configure the following operating modes for the individual channels of the X142 interface:

列表: Overview of operating modes

Operating mode of X142 I/Os (8 channels)	Functionality	Use with technology objects (TOs)	Use via I/O area (without TO)	Isochronous mode
DI	Digital input Input delay (1 µs/125 µs) Hardware interrupt (optional) Hardware interrupt at rising and/or falling edge	Hardware limit switch for positioning and synchronous axes	No OB restrictions	Optional
DQ	Digital output	Output cam Cam track	No OB restrictions	Optional
Timer DI	Acquisition of the switching time of a digital input ** with up to two edges per application cycle (e.g. for use as measurement sensing input)	Measuring input (OB 91 required)	OB 91/OB 6x required	Required
Timer DQ	Precisely timed output of a digital output ** with up to two edges per application cycle (e.g. for use as an output cam output)	Output cam (OB 91 required) Cam track (OB 91 required)	OB 91/OB 6x required	Required
Oversampling DI	Acquisition of 32 states of a digital input ** at equal intervals per application cycle	---	OB 91/OB 6x required	Required
Oversampling DQ	Output of 32 states of a digital output ** at equal intervals per application cycle	---	OB 91/OB 6x required	Required
Event/period duration measurement	Measurement of number of edges and period duration (e.g. for simple speed measurement with hole mask and light barrier)	---	OB 91/OB 6x required	Required
Pulse width modulation PWM	Output of a configurable pulse-pause ratio with a configurable frequency	---	No OB restrictions	Optional

Procedure

Select the Device configuration entry in the project tree under the CPU. The device view opens.

In the device view, click the DI/DQ 8x24VDC [X142] interface. You can now edit the configurable properties under Properties in the Inspector window.

You can find an overview of all channels and your selected settings under Channel parameters.

图片: Channel parameters

To configure your selected channels, click on the arrow beside the channel number.

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