Module Data Types - 1794-IF4ICF
The table below lists and describes module-defined data types for the 1794-IF4ICF analog input module. It includes information for configuration (as indicated by a "C").
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FLEX I/O is based on 16-bit INTs and not 32-bit DINTs. This may decrease performance with certain instructions.
Module-defined Data Type: AB:1794_IF4ICF:C:0
Member Name | Type | Default Display Style | Description |
InputFilter | INT | Binary | Encoded input filter. Sets the filter characteristics including conversion rate and low pass filter for the selected channel. To achieve the fastest channel update rate, the low pass filter should be set to ’no low pass’. |
InputConfiguration | INT | Binary | Contains input configuration data. |
RTSInterval | INT | Decimal | Real Time Sample programmed interval. Range 0-30000 ms in multiples of 5. |
Ch0Calibrate Ch1Calibrate Ch2Calibrate Ch3Calibrate | BOOL | Decimal | Includes a channel in calibration when selected. |
GainOffsetCalibration | BOOL | Decimal | Holds the High or Low Reference settings you selected on the Input Configuration tab from the Module Properties dialog box. |
CalibrationClock | BOOL | Decimal | If selected, calibration mode starts and calibration settings for the selected channels are accepted. If clear, the accepted current calibration coefficients are stored to selected channels, applied and calibration mode is exited. |
QuickCalibration | BOOL | Decimal | If set to 1, calibration coefficient is stored to all related configurations for selected channels. |
FastStepResponse | BOOL | Decimal | If set to 0, the signal processes step inputs with the normal Finite Input Response (FIR) mode of calculation. If set to 1, the signal responds rapidly to step inputs. When a step change on the input is detected, the FIR calculation portion of the filter is suspended and replaced by a simple moving average computation. |
FIRFilterDisable | BOOL | Decimal | If set to 0, the FIR filter is included in the signal processing. If set to 1, the FIR filter is bypassed in the signal processing. |
ChopModeDisable | BOOL | Decimal | If set to 0, the signal is chopped at the input and output to remove offset and offset drift errors. If set to 1, there is no signal chopping. Note: If offset performance with temperature and time are important, we recommend you set ChopModeDisable to 0. |
InterleaveInterrupts | BOOL | Decimal | When enabled, ensures exchange of time critical data when channels are configured for the fastest update times. Do not check the Interleave Module Interrupts checkbox unless you know you have a specific use for this option. The Interleave Module Interrupts feature is useful only in limited circumstances and it only applies when the module is configured for its fastest possible operation. |
Transparent | BOOL | Decimal | If set, permits configuration to be changed without using the InitiateConfiguration data type. |
InitiateConfiguration | BOOL | Decimal | If set, instructs the module to enter configuration mode. When transition to 0 occurs, configuration is applied and any subsequent configuration is ignored until this member is toggled. |
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