Manual optoNCDT 1402 - Micro-Epsilon

Functional Principle, Technical Data3.2.2 Exposure ControlDark or shining objects to be measured may require a longer exposure time. However, the controller is notcapable of providing exposure which is any longer than permitted by the measurement rate. For a longer exposuretime, therefore, the measurement rate of the sensor has to be reduced, see Chap. 6.4, by command.3.2.3 Peak SelectFor measurements on mirroring or transparent surfaces like glass plates or plastic layers spurious reflectionsfrom the front or rear side can be suppressed by command, see Chap. 8.4.17.3.2.4 Trigger, Time-based Measurement Value OutputSingle measurements can be output via the trigger input. You can also output the measurements in a programmabletiming period, see Chap. 8.4.12.3.2.5 Error BehaviorThe sensor may replace or hold up to 99 consecutive errors by the last valid value. In addition, all error valuesat the analog output can be replaced by the last valid value.Details about the behaviour of the analog output, see Chap. 8.4.13.3.2.6 AveragingThe sensor enables an averaging of the measured values with the median or moving average, before they areoutput. This does not reduce the measurement rate.3.2.7 Sensor Emulation (Compatibility)For a replacement or retrofitting, the ILD1402 can also be operated in the configuration of the previous typeILD1401. This reduces the data word width of 14 to 12 bit and the functions of the ILD1401 are usable only.3.2.8 Command CompatibilityThe sensor ILD1402 uses the same commands (Stop, Info, etc.) for the same functions as the type ILD1700.This means that existing programs of the ILD1700 can be easily adapted.More informations, see Chap. 8.4.4.optoNCDT 1402Page 12