Omega DRST-UN User Manual
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Contents
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Sensor error detection (SE.BR, SE.SH):Input Range Readout LimitCURR Loop break (4..20 mA) SE.BR <= 3.6 mA; > = 21 mAPOTM All, SE.BR on all 3-wire SE.BR > ca. 126 kΩLIN.R 0...800 Ω SE.BR > ca. 875 Ω0...10 kΩ SE.BR > ca. 11 kΩTEMPTC SE.BR > ca. 750 kΩ / (1.25 V)RTD, 2-, 3-, and 4-wireNo SE.SH for Cuxx, Pt10, Pt20 and Pt50SE.BR > ca. 15 kΩSE.SH < ca. 15 ΩSpecifications8Readout at hardware errorError search Readout Error causeTest of internal CJC sensor CJ.ER CJC sensor defect ortemperature outside rangeChecksum test of the configuration in FLASH FL.ER Error in FLASHCheck measurement of analogue output current AO.ER1) No load on the currentoutput (only S4...20/S20...4mA)Communications test DRSL-DISPLAY/DRST-UN NO.CO Connection errorCheck that input signal matches input configuration IN.ER 1) Error levels on inputCheck that saved configuration in DRSL-DISPLAY/matches device TY.ER Configuration is not DRST-UN! Error indications in the display flash once per second. The help text explains the error.1) The error is reset by switching off and then switching on the supply voltage to the device.Sensor error detection limitsError indications18 |
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