Sensor type and range are defined in module 3A configuration Configuration Setup IP.1ĭC input module (#D5) must be installed in module location 3A The 3A list in the configuration is used to set up the high temperature input (IP.2). The IP list in the configuration is used to set up low temperature input (IP.1) The FUNC parameter in the configuration must be configured as trAn (transfer).
The equation used to calculate the measured value in the common region is as follows: X = X(I/P1) + (1-X)I/P2 (X equals the measured value) In the common region, the Eurotherm 2400 instrument controls using a measured value that is a proportional blend of the two values.
It is recommended that there be a region common to both sensors of at least 10% of the full scale, for example: when the measured value is below this region, the 2400 will control using input 1, and when the measured value is above this region, the 2400 will control using input 2. The minimum value for input 2 can be less than or greater than the maximum for input 1. 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. But very clean Eurotherm PID controller, model 2408 P4/VH/V7/FH/YM/ENG INPUT IS 100V- 240V OUTPUT Relay out2a. Switch-over control allows smooth transfer between a thermocouple (low temperature) and a pyrometer (high temperature). The 2408 is a versatile and highly stable temperature or process controller, with automatic and adaptive. It is usually difficult to find one sensor that is accurate at both high and low temperatures, typically the low temperature sensor will work accurately over the ranges of 100☏ to 1000☏ and the second sensor will work accurately from 1000☏ to 2200☏. Controller and programmer of Eurotherm 2408.
Either PID, ON/OFF or Motorized valve control can. For example, it is implemented on high-temperature furnaces that require high accuracy at both low and high temperatures. The 2408 1/8 DIN unit is a high stability controller with an extensive range of options. Switch-over control is available in the models 24. load temperature applications, or long lag applications where one sensor is used during start-up and a different sensor (or sensor location) is used during the production mode. IR pyrometer applications, atmosphere temperature vs. 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.Īpplications include thermocouple vs. 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). Switch-over control is the ability to use two sensor inputs into one instrument.