Midwest Self-tuning Experts PID Control Instrument (temperature)

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Midwest Self-tuning Experts PID Control Instrument (temperature)
Posting date : Mar 12, 2008
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Free Member Scince Mar 06, 2008
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S07-
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Model: W291041 This series instrument with a wide range of input, a meter can be assigned to different input signals (thermocouple / thermal resistance / linear voltage / linear current / linear resistivity), has been greatly reduced by the number of tables. Its scope of application is very extensive, with various types of sensors, used in conjunction with a transmitter, the realization of temperature, pressure, level, capacity, and so physical measurement and display, and with the implementation of various heating equipment for the electrical and electromagnetic, a PID regulator valve and control, alarm control, data acquisition and recording. The series also features 0.1 meters and full-degree amendment, cold-compensation, digital filtering, sensor fault processing, communications interface, 60 of the broken line input amendment process control, switching of input, output, and so on to switch function. Selection: 61MXM808 standard self-tuning PID control instrumentation experts 60MXM908 enhanced self-tuning PID control instrumentation experts 60MXM808P standard curves in paragraph 50 programmable PID control instrumentation 60MXM908P enhanced 50 of the curve programmable PID control instrumentation Technical parameters: Input specifications: thermocouple: K, S, E, J, T, B, N, etc.. Thermal Resistance: Pt100, such as Cu50. Resistance: 0 ~ 80 Ω, such as 0 to 400Ω. Voltage: 0 ~ 20 mV…… 0 to 1V → input impedance ≥ 5 M Ω, 0 ~ 5V → input impedance ≥ 100 K Ω. Current: 4 ~ 20 mA, 0 ~ 20mA, and other → input resistance ≤ 250 Ω 0 ~ 10mA → input resistance ≤ 500 Ω. Expansion Specifications: in the above-mentioned reservations on the basis of input specifications, allows users to designate an additional input specifications (to provide a breakdown of the table). At this point Sn = 10 Measurement Range: -1999 ~ +9999. Measurement accuracy: 0.2 (thermal resistance, voltage, current and copper thermocouple input resistance and compensation or compensation freezing cold end) 0.2% FS ± 2.0 ℃ (thermocouple input and internal components used instrument cold-temperature compensation ) Note: Instrumentation on the degree of B-thermocouple in the range 0 to 600 ℃ can be measured, but the measurement accuracy unattainable 0.2, in the range of 600 ~ 1800 ℃ guaranteed 0.2 measurement precision. Response time: ≤ 0.5 seconds Alarm features: maximum limit is deviation, such as four kinds of negative deviation, maximum output 3 Road, the police can choose from the power function. Alarm output: relay contact switch output (normally open + normally closed), capacity of 220 contacts VAC/2A or 24 VDC/2A. Alarm accuracy: ± 1 ± 1 ℃ or definition units. Control output specifications: Relay: contact switch output (normally open + normally closed), capacity of 220 contacts VAC/2A or 24 VDC/2A. SSR: driving voltage of 12 VDC/30mA (solid-state relay to drive SSR). SCR: single-phase / three-phase zero (random) trigger, trigger 5 ~ 500 A of the duplex SCR, and two anti-parallel single-phase thyristor power modules connected or SCR. Voltage: 0 to 5 V, 1 ~ 5V. Current: 0-10 mA, 4 ~ 20mA, 0 ~ 20mA, etc. Transmission range: 0 ~ 22mA, 0 ~ 10VDC transmission accuracy: 0.3 (± 0.3% FS) Communications interfaces: RS485 serial communication interface, RS232C serial communication interface Distribution output: 24 VDC voltage, maximum output current of 30 mA for the use of passive transmitter Temperature Compensation: 0 ~ 50 ℃ Digital automatic temperature compensation. Use of the environment: environmental temperature 0 to 50 ℃ ≤ 85% relative humidity, avoid strong corrosive gas Power: Switching Power Supply 100 ~ 240 VAC (50HZ/60HZ), 24VDC ± 2V Power: 5 W ≤ Weight: ≤ 1,000 g

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