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Intelligent self-tuning PID controller (A series)
The A-series intelligent self-tuning PID controller is a new type of artificial intelligence control instrument that uses computer inference and decis
Product details
This instrument has the following characteristics:
1 Multiple signal inputs: can be selected as needed on site: B, S, K, E, T, J, R, Wre3-25 thermocouple;
PT100, PT100.1, Cu50, Cu100 thermistor; Type II and III linear current and voltage; Remote pressure transmitter and
Millivolt signal input.
2 Multiple output types:
1） Single phase/three-phase 5A thyristor zero crossing trigger output, can directly drive 500W load or 600V/100A thyristor, with time
Proportional (PWM) control, adjustable output cycle from 1 to 250 seconds.
2） Single phase/three-phase 10A solid-state relay control output, adjustable output cycle from 1 to 250 seconds.
3） Relay control output, contact capacity 220V/10A (resistive load), output cycle adjustable from 1 to 250 seconds
4） Analog signal control output, optional (4-20) mA, 0-10mA, or (1-5) V (corresponding to OUT value)
5） Analog signal transmission output, optional (4-20) mA, 0-10mA, or (1-5) V (corresponding to the measured value)
6） Relay alarm output, with various forms to choose from, such as absolute value upper and lower limit alarm, upper and lower deviation alarm, internal and external deviation alarm, etc,
Contact capacity 220V/5A (resistive load).
7） Equipped with RS485 or RS232 communication interfaces, the RS485 interface can connect up to 128 units online, with a maximum communication distance of 1200 meters.
3 It has two control modes: positive effect (cooling) and negative effect (heating).
4 You can choose whether to require the function of automatic cold junction compensation for thermocouples.
5 It has two optional overshoot suppression functions.
6 There are two types of PID parameter self-tuning methods: standard and special.
7 Use high brightness digital tube display or LCD screen display.
1) Using EEPROM to protect data, with a maximum protection time of up to 100 years.
2) Adopting adjustable digital filtering and anti pulse interference filtering measures, the anti series mode interference performance is good.
3) The use of switch mode power supply and watchdog circuit can effectively prevent the impact of voltage fluctuations and strong electrical interference in the power grid.
8 The input, output, and communication circuits are isolated from each other.
9 Fault alarm function: If the instrument A/D converter is damaged, the memory is damaged, or the signal is disconnected (open circuit), an alarm will be triggered.
>Main technical parameters
1. Display accuracy: 0.5% F.S ± 1 (words)
2. Display resolution: Thermocouple and PT100 signals are at 1 ℃, PT100.1, Cu50, and Cu100 signals are at 0.1 ℃, and linear signals are
0.001, 0.01, 0.1, and 1 can be selected.
3. Output accuracy: The relay alarm value, hysteresis value, and deviation value are the same as the corresponding set values, and the analog signal transmission output is 0.5%.
4. Input type: Thermocouple: B, S, K, E, T, J, R, Wre3-25
Thermal resistance: PT100, PT100.1, Cu50, Cu100
Remote pressure sensor: (30-350) Ω
Pressure sensor: 0-20mV
Linear input: Type II (0-10mA, 0-5V)
Type III (4mA~20mA, 1V~5V)
>Instrument dimensions and opening dimensions
>Selection Table
>Wiring diagram
>>96 × 96, 48 × 96 instrument wiring diagram
★ Note: Please refer to the random wiring diagram when there is a feeding P output.
>>80 × 160 instrument wiring diagram
★ Note: Rotate the vertical meter wiring diagram counterclockwise by 90 ° to obtain the horizontal meter (160 × 80) wiring diagram.
>>48 × 96 instrument wiring diagram
★ Note: Rotate the vertical meter wiring diagram counterclockwise by 90 ° to obtain the horizontal meter (96 × 48) wiring diagram.
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