PID controlling digital thermostat wall mounted type model XH-W2103
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Item: PID controlling digital thermostat wall mounted type model XH-W2103
Optional thermal resistance sensor control -50 ~ 110℃;
You can also choose thermocouple sensor control -50 ~ 500℃;
Selectable bit control;
Can select PID control;
Controlled heating,also can control the quality;
Place of origin: China factory sell directly , Sell to worldwide.
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|Models & Details for “PID controlling digital thermostat wall mounted type model XH-W2103”|
1, the sampling period: 0.25S
2, resolution: full scale 0.1℃
3, the control mode: a machine compatible with PID heating, cooling, ON / OFF position control mode;
4, the control algorithm: advanced multi-group parameter control mode, the response speed can be selected, powerful function;
5, other: add buzzer alarm and key tone;
Scope of control:
NTC sensor: -50 ~ 110℃;
K type thermocouple: -50 ~ 800℃;
Quick Start Setup Example: (heating system):
1, press the SET button, SV digital tube flashing, shift and add and subtract key to set the temperature value, return after set with press SET button;
2, long-time press the SET button for 3 seconds to enter the menu:
P0 window is set to H, is heating mode;
P1 window is set to 02, select the 10K thermistor as the sensor;
P2 / P3 for high and low temperature alarm, not set;
P4 window is set to 1, select the slow mode;
P5 window is set to ON, that is, open the auto-tuning function;
3, the delay waiting for 10 seconds, the system automatically exit the menu and start self-tuning;
4, connect heating device into the power supply socket, waiting for self-tuning end.
System PID parameters and auto tuning
System can be used before the use of self-tuning function, easy to find the best system PID parameters, improve the quality of regulation. After auto-tuning starts, the AT green light flashes, and after the measured value PV reaches the SV set value, it will automatically cause two or three disturbances to the system. According to the size of the overshoot oscillation and recovery cycle, automatically calculate the system PID parameters. AT tuning is complete, the buzzer drops, AT lights off, the system back to normal control.
PID parameters manual adjustment: (beginner skip)
Can be observed in the P7, P8, P9 window or manually modify the tuning parameters. For hysteresis and variable frequency control and other special systems, if the repeated setting effect is not ideal, can manually modify the PID parameters.
1, when the steady state before the arrival of overshoot is too large, such as to reach steady-state time is not high, the P7 value can be appropriately reduced.
2, if you want to speed up the steady state of the time, and allow a small amount of overshoot, the P7 value can be appropriately increased.
3, when the measured value fluctuates slowly up and down in the set value, may be appropriate to increase the P8 integration time or reduce the P7 proportional gain.
4, when the measured value fluctuates frequently in the set value, may be appropriate to reduce the P9 derivative time.
|H: heating ; C: rcooling|
|01: K type thermocouple 02: 10K thermistor|
|The upper limit alarm 40 degrees, the lower limit alarm 30 degrees, and the power monitoring temperature is 20 degrees, then the lower limit alarm does not start until the temperature exceeds 30 degrees to start the lower limit alarm Features|
|1: slow 2: medium speed 3: fast|
When the PID self-tuning is completed, according to the choice of response speed, provide different control parameters;
Slow: the system almost no overshoot, such as the user to set the temperature of the time to set the request is not high, optional;
Medium speed: the system in the overshoot and response between the balance between the state;
Fast: the system has a large overshoot, such as the user response speed requirements, optional
|The auto-tuning function does not start or exit auto-tuning in the following cases:|
1, the system is not the normal state, according to the alarm code to troubleshoot;
2, ON / OFF bit control mode;
3, the temperature set value and the current temperature, working mode there is a conflict;
Overshoot suppression factor
|According to the process time and allow overshoot, the scene specific selection overshoot suppression coefficient value,|
SF = 0 for the conventional PID, no suppression overshoot function;
SF = 1 overshoot inhibition of the strongest, slow speed;
|P = 0 for the bit control mode (hysteresis default 2℃)|
I = O, the proportional differential PD is adjusted
D = O for proportional integration PI adjustment
I = O and D = OFF for pure ratio P adjustment
|Short cycle adjustment changes fast, suitable for small inertial system; inertia large cycle optional longer|
|Please set carefully to avoid measurement error|
|OFF：Press and hold the SET button for 3 seconds to enter the menu|
ON ：Press and hold the SET button for 5 seconds to enter the menu
E1 thermocouple sensor is disconnected
E2 thermistor sensor is disconnected
E3 temperature exceeds the upper limit alarm
E4 temperature below the lower limit alarm
PID parameters manual adjustment: (beginner skip)
You can observe or manually modify the tuned parameters in the [1-2] ~ [1-16] PID window group. For hysteresis and variable frequency control and other special systems, if the repeated setting effect is not ideal, can manually modify the PID parameters.
A. When the steady state before the overshoot is too large, such as to reach the steady-state time is not high, can increase the ratio to overcome the overshoot.
B. If you want to speed up the steady state of the time, and allow a small amount of overshoot, may be appropriate to reduce the proportion of band.
C. When the measured value fluctuates slowly above and below the set value, the integral time or the proportional band can be increased as appropriate.
D. When the measured value fluctuates frequently up and down the set value, the derivative time can be reduced as appropriate.
|Buying Guide to “PID controlling digital thermostat wall mounted type model XH-W2103”|
- The Digital controller is available for retail and wholesale;
- Accept customized bulk production,putting your logo;
- The place of origin is in China,when you buy one or a small quantity,please consider freight into the cost;
- Accept bulk order with Container delivery;
- Please contact us to email: [email protected] ,we can supply a favourite item you need.
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