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产品： AO-8, AO-V-8, DI-16, DO-FA-12, DO-FC-8, RTD-DI-16, UI-16, UI-8/AO-4, UI-8/AO-V-4, UI-8/DO-FC-4
功能： 硬件
产品版本： 1.8, 1.9
2015/6/11

I/O Module LEDs

arrow1_rotationI/O Module Status LED arrow1_rotationI/O Channel Status LEDs

The I/O modules have the following status indicator LEDs on the front of the module:

  • I/O Module Status LED

  • I/O Channel Status LEDs

 
action_zoom_plus_stroke I/O module LEDs
图： I/O module LEDs

I/O Module Status LED

Each I/O module contains a green/red Status LED that indicates the status of the I/O module in relationship to the SmartStruxure server device. The LED is labeled Status and is located on the lower right side of the I/O Module placard.

There are several LED patterns for the I/O module status LED. 有关更多信息，请参阅 Status LEDs .

I/O Channel Status LEDs

Each digital input (DI) channel, digital output (DO) channel, and Universal Input (UI) channel contains a green I/O channel status LED. This LED indicates the On/Off state of the digital input or output.

You can also configure I/O channel status LEDs as an invert, so that either a HIGH or LOW voltage level can turn the LED ON.

注释：

  • For Universal Inputs, the I/O Channel Status LED is active only if the channel is configured as a digital input or as a counter input.

请参阅

  • I/O Modules
  • Status LEDs