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Intelligent display instrument

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Intelligent PID controller

1, various analog input or frequency input. 2. Triple display of process quantity, given value and
Description

1, various analog input or frequency input.

2. Triple display of process quantity, given value and control quantity.

3. Positive and negative action selection of PID regulator. Hand automatic two-way undisturbed switching.

4. When breaking resistance, breaking couple, breaking line fault occurs, the analog output of control quantity and process quantity can choose 0%, 100% or upper limit amplitude or lower limit amplitude.

5, tracking input signal zero and full degree can be calibrated.

6, intelligent sound and light alarm, double timer or counter function.

7, can be prescription and small signal excision.

8, valve position feedback signal optional (various analog input).

9, can realize the external given value input (EM2 function).

10. The upper limit and lower limit of the control quantity can be set respectively. It can realize split-range PID control, that is, keep the y.i control quantity on the basis of another two split-range control quantity.

11, the measurement value and set value display can be added or subtracted.

12, PID parameter self-tuning or P parameter d.u self-tuning.

13, 8 groups of set values and P, I, D parameter storage and call.

14, control quantity tracking feedback quantity (EM1 function), can realize hand/automatic bidirectional undisturbed cutting. Within a given value displacement (SB function).

15. Ratio control can be realized. Ratio control formula: given value SP=A× given +B(A is the ratio coefficient).

16, 4 switch quantity control output. Can realize the relocation, correlation alarm and other ways.

17, two or three analog output :0 ~ 10mA or 4 ~ 20mA.

18. The 50HZ synchronous bidirectional thyristor zero-crossing interpolation control algorithm realizes the optimal control of each sine wave and avoids the high-power load's high-order harmonic pollution to the power grid. Intermittent PID controller built-in 41A bidirectional thyristor direct control AC 2KW below single-phase resistive load or output 3 groups trigger bidirectional thyristor below 500A synchronization signal. (Note: Should be resistive load)

19, can provide multi-host, single host, no host mode of RS485 asynchronous serial communication mode. Communication data verification in accordance with the CRC-16 American data communication standard, high reliability cycle, bar code verification.


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