7 Concurrent I/O (Input/Output)
7.4 Monitoring I/O from Smart Pendant Interface
7-6
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7.4.2 I/O Windows
Signal status can be monitored using the instructions described in this
section.
7.4.2.1 Smart Pendant I/O Configuration
The YRC Controller has a total of 4096 signals available for both input and
output. From the Software Pendant, these can be configured/mapped to a
variety of physical or network devices. These signals can also be used as
purely logical signals. In practice, only a small subset of these signals will
be used in most applications.
The Smart Pendant will read the I/O configuration from the YRC Controller
and display the configured data. There is also an option for displaying any
“unmapped” signals so that the entire 4096 range can be viewed on Smart
Pendant if desired. The following sections will describe the screens for
monitoring these I/Os as well as how to configure the displays.
7.4.2.2 I/O Screens
To access the I/O Screens, press {MENU}, {Program/Operate}, and then
select {I/O}. This will open the main I/O Screen. This screen has two main
views: Group View and Individual View. By default, the Group View will be
visible. The Group/Individual View can be changed from the I/O Setting
panel described under “I/O Settings” section.
I/O Signal Allocation/Mapping must be done on Software
Pendant. Smart Pendant will only use configuration already
present on YRC Controller.
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