Page 3: Table Of Contents 2. Page 4 Sensor Input Configuration List Page 6: New Sleeve Design Mkiii An existing instrument can be fitted into a new sleeve but IP65 sealing will not be maintained It is, however, possible to achieve IP65 sealing for 3 and 4 above. After a 3 second self-test sequence, you will see the display shown below. Decrease parameter value See section 2.
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The first sensor is used for one set of conditions such as low temperature , the second sensor is used for the other set of conditions such as high temperature. Between the two customer defined ranges, Eurotherm uses a ramped blending of the two sensors in order to have a seamless transition between the sensors.
Applications include thermocouple vs. IR pyrometer applications, atmosphere temperature vs. Introduction Switch-over control is available in the models and For example, it is implemented on high-temperature furnaces that require high accuracy at both low and high temperatures. Switch-over control allows smooth transfer between a thermocouple low temperature and a pyrometer high temperature. The sensor that works in the lower range of measured values must be connected to input 1 and the sensor working on the higher range to input 2.
The minimum value for input 2 can be less than or greater than the maximum for input 1. In the common region, the Eurotherm instrument controls using a measured value that is a proportional blend of the two values. Features The main process variable input 1 IP. If the thermocouple is removed from the load after the transfer to input 2, the algorithm cannot transfer back to input 1.
If either input breaks, sensor break will be detected. The IP list in the configuration is used to set up low temperature input IP. Configuration Setup.
2400 Temperature Controller / Programmer
Eurotherm 2408i User Manual