Rockwell-automation 1769-L23E-QB1B_L23E-QBFC1B_L23-QBFC1B CompactLogix Manual de usuario descargar pdf (Pagina 206)

206 Publication IASIMP-QS010B-EN-P - October 2009

Chapter 3 Embedded I/O

Analog I/O Tag Descriptions

Tag Name Description

Local:3:I Tags that contain analog input data.

Local:3:I.Fault The bits of this word are set to 1 (ON) if a fault occurs

with the analog I/O

(1)

For example, this data is at 1 (ON) if the analog I/O terminal block is removed from the packaged controller

while the controller is in Run mode.

Local:3:I.Ch0Data Channel input data for channel 0.

Local:3:I.Ch1Data Channel input data for channel 1.

Local:3:I.Ch2Data Channel input data for channel 2.

Local:3:I.Ch3Data Channel input data for channel 3.

Local:3:I.InputRangeFlag Indicate the range status of the input signal by

channel.

Local:3:I.Ch0InputOverRange

Indicates if the input channel is over range.

(2)

The operating range of the analog inputs is voltage 0…10V DC or current 0…20 mA. The input range is

dependent upon the wiring option you use.

Local:3:I.Ch1InputOverRange

Indicates if the input channel is over range.

(2)

Local:3:I.Ch2InputOverRange

Indicates if the input channel is over range.

(2)

Local:3:I.Ch3InputOverRange

Indicates if the input channel is over range.

(2)

Local:3:I.OutputRangeFlag Indicate the range status of the output signal by

channel.

Local:3:I.Ch0OutputOverRange

Indicates if the output channel is over range.

(3)

The operating range of the analog outputs is voltage 0…10V DC or current 0…20 mA. The output range is

dependent upon the wiring option you use.

Local:3:I.Ch1OutputOverRange

Indicates if the output channel is over range.

(3)

Local:3:I.Ch0DataInvalid Indicates if 1 (ON) data is being written to bits 0…6

or bit 15 of this channel.

(4)

Bits 0…6 and bit 15 of both output data channels (Ch0Data and Ch1Data) should always be set to 0 in your

control program. If they are not set to 0, the corresponding DataInvalid tag is set for that channel. While the

DataInvalid tag indicates the 1 (ON) data for the specified bits, the channel will continue to operate with the

previously converted channel value. For more information about the data specific to these bits, see the

Compact 8-Bit Low Resolution Analog I/O Combination Module User Manual, publication 1769-UM008

Local:3:I.Ch1DataInvalid Indicates if 1 (ON) data is being written to bits 0…6

or bit 15 of this channel.

(4)

Local:3:I.Ch0Readback Data echo values of the analog output channels.

Local:3:I.Ch1Readback Data echo values of the analog output channels.

Local:3:O Analog output channel data.

Local:3:O.Ch0Data Analog output data value for channel 0.

Local:3:O.Ch1Data Analog output data value for channel 1.

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