Baumer OM70 Operating Instructions Manual
Also see for OM70: Operating instructions
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Contents
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en_BA_OM70_point_line.docx 37/64 Baumer Electric AG6/6/2018 8:28 AM/tof V2.0 ANW_81250853 Frauenfeld, Switzerland5 Operation5.1 Measuring frequency, measuring repeat time and response timeA complete measuring cycle consists of exposure, calculation and measuring value display. In order toincrease the measuring speed, process steps are executed simultaneously.5.1.1 Measuring frequency and measuring repeat timeThe time between two exposure times is referred to as measuring repeat time. This time can be converted intoa frequency (Hz), which indicates how many measured values can be issued by the sensor in one second. [] = 1 []5.1.2 Automatic exposure controlThe color and surface of the object have an influence on the amount of reflected light. A longer exposure timeis required for dark objects than for light objects. The sensor automatically controls the exposure time on thebasis of the amount of light reflected by the object. This slows down the measuring frequency and theresponse time. In this case, the degree of slowdown is dependent on the laser class of the sensor.5.2 Alarm outputThe alarm signal is output as a push-pull signal (active high) when the object is outside the measuring rangeor the signal quality is insufficient for evaluation. If the signal quality is insufficient, the analog and switchingoutputs for 75 measuring cycles are kept at the last valid value. After this time has elapsed, the analog andswitching outputs are set as if an object were at the start of the measuring range.Response time Measuringrepeat timeExposureCalculationMeasuring value displayNOTEAs soon as the alarm output is active, the analog and switching outputs for 75measuring cycles are kept at the last valid value. |
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