FF Temperature Transmitter Configuration Function Configuration
Temperature Transmitter--NCS-TT106
FF Temperature Transmitter Configuration
Function Configuration
Enable Cold End Temperature Compensation
If the sensor is thermocouple, the user can set cold end compensation via parameter RJ_TYPE, when it is set as Internal, it enable inside cold end compensation. At this time, RJ_TEMP value is the temperature value measured inside, that is SENCONDARY_VALUE. When it is set as External, the user can set EXTERNAL_RJ_VALUE to configure fixed cold end compensation value, the RJ_TEMP at this time is EXTERNAL_RJ_VALUE. When it is set as No reference, the cold end compensation is forbidden, shown as picture.
RJ_TYPE Configuration
2-point Linearization Calibration
Temperature transmitter has strict calibration in factory. Generally, it is not necessary for user to calibrate. The user can use CAL_POINT_HI, CAL_POINT_LO and CAL_UNIT to realize 2-point linearization calibration. The operation steps shown as following:
(1)Make sure and set SESOR_TYPE, and set CAL_UNIT according to sensor type. Now it supports Celsius, Ohms and MV.
(2)Set transducer block MODE parameter as “OOS”, and then set the SENSOR_CAL_METHOD as “User Trim Standard Calibration”.
(3)Give standard data to channel to calibrate via standard source, when the input is stable, write calibration data to CAL_POINT_HI or CAL_POINT_LO according to upper limit calibration or lower limit calibration. It is successful if there is no write error. Notes: The calibration will be failed if there is a great deviation between write-in calibration data and practical input channel data.
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