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Part B: With Hysteresis 1. Open the Multisim file ONOFF bies and level att FCC PM -- 18 = La YA mene AP BA hai Com We 1 } - Identify the new blocks in this circuit compared to the previous circuit Temperature What is the range of the RTD sensor? Why is the RTD considered to have a positive Detector temperature coefficient? RTD Underline (U) Relay & Diode Explain how the relay works and what is the purpose of the diode across the relay coll? Transistor What the reason for using the transistor in the circuit?
-- Blas and level adjustment Steps to follow: Find the minimum and maximum voltage you get from the RTD In the voltage divider circult Slide the RTD to minimum and read the volatge at the probe connected to the RTD Vmin = . . Hint see L02,1& 22 Blas and Level example Slide the RTD to max and read the volatge at the probe connected to the RTD Vmax Using the Blas and Level techniques in LO2.1 to adjust the level to 0 and 5. Vdc offset Diff amp gain = Show your calculation here Pick group resistor Underline (U) G # 1 R1 in 350 2 500 3 650 داني | | | 800 950 1100 I 7 1250 8 1400 In the sample multisim fille Vimin 0.83 vand Vmax=33 then the differential amplifer output Vout-P-0.832 9 1550 10 1700
Pick group resistor G R1 in 12 350 1 2 500 3 650 4 800 5 950 6 1100 COM O 7 1250 8 1400 9 1550 10 1700
Bias and Level adjustment VE A say FCH MET Pulpit ST 3 BE 10 B . 1.0 HE Temp sensor Bunga Dut NY 11 Com Wie wystanie ME How 2004 20 W