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3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology 3D Micromanufacturing Lab. School of Mechatronics Gwangju.

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Presentation on theme: "3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology 3D Micromanufacturing Lab. School of Mechatronics Gwangju."— Presentation transcript:

1 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology Hot plate (LAMDA-P) [1]

2 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology After uniform thin films coated, the liquid solution is necessary to be solidified. At this moment, hot plate is used to solidify the solution. The temperature is accurately controlled by a temperature controller that uses digital PID auto-tuning function, setting and real temperature can be simultaneously confirmed. Temperature controller built-in timer function. Ceramic coated top plate has rapid thermal conductivity and very uniformly maintain the surface temperature. Stirring speed is maintained constant speed by feedback control. What is the hot plate and features? [2]

3 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology Specifications (HSD 180) TypeHot plate & Magnetic Stirrer Temperature Range Max 380 Accuracy ±1 ControllerDigital PID auto-tuning Timer99 hr. 59 min. Heater power680 W Stirring Speed100 ~ 1500 rpm Speed displayDigital Capacity (H 2 O)up to 5L Speed ControllerFeedback control Top PlateCeramic coated top plate Dimensions Plate area (mm)180 × 180 Overall (W×D×H) (mm)200 × 310 × 107 Electrical supply220 V 50/60 Hz or 110 V 50/60 Hz Weight3.8 Kg [3]

4 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology 1.Measurement unit display (PV): The current temperature during control and the various parameters during setting are displayed respectively. 2.Setting unit display (SV): The setting temperature during control and each parameter value during parameters setting are displayed respectively. While the timer is operated by pressing 9 ( ) button for a few sec., remaining time is displayed with blinking. 3.Control output indicator lamp (OUT): The light is on, after starting control output. 4.Upper and lower limit alarm indicator lamp (ALM): When set upper and lower limit alarm is activated, the lamp is turned on. Each part designation and description [4]

5 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology 5.Auto-tuning operation indicator lamp (AT): When PID auto-tuning (automatic operation) is started by pressing 11 ( ) button, the current operation state is displayed with turning on the lamp. After finishing operation, the lamp is turned off. 6.Timer operation lamp: When the timer is on by pressing 10 ( ) button, the operating timer is displayed with blinking. After the set time is over, the lamp is turned off and tENd is displayed on setting unit display (SV). 7.LBA operation lamp: When the control loop break alarm is occurred, the lamp is turned on. 8.Mode setting button: If pressing button for more than 2 sec., PV and SV are changed parameter setting mode. This button is also used to switch each parameter. Each part designation and description cont. [5]

6 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology 9.Decreasing setting value button (remaining time display button): The setting value is decreased one by one with pressing button. If pressing button for more than 2 sec., the value is continuously decreased. While the timer is operated by pressing button for a few sec. in controlling state, remaining time is displayed with blinking. 10.Increasing setting value button (timer on/off button): The setting value is increased one by one with pressing button. If pressing button for more than 2 sec., the value is continuously increased. If pressing button for a few sec. during controlling state, the timer can be on/off. After the timer is over, tENd is displayed on setting unit display (SV). If pressing button for a few sec. again, returning to initial state. Each part designation and description cont. [6]

7 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology 11.Auto-tuning button: After setting parameters, if pressing button for more than 2 sec., operating the optimum PID integer automatically with turning on auto-tuning operation indicator lamp (AT). Each part designation and description cont. [7]

8 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology Parameters setting method OrderSymbolDesignationHot plate & Magnetic StirrerInitial value 1Su Setting temperature Set the target temperature value30 2tlm Control end time setting *H.m display unit: 00 hr. 01 min. ~ 99 hr. 59 min. After reaching setting temperature, the time is counted timer is over. If setting 0, the timer is not operated. 0 3ALS Alarm mode setting Alarm modes of all nine kinds are displayed by figure. Proper kind of alarm can be set using up and down button ALH Upper limit alarm value When operating alarm, set upper limit alarm value. Setting value is absolute value. 0 5ALL Lower limit alarm value When operating alarm, set lower limit alarm value. Setting value is absolute value. 0 6P Proportional band Range of 0.1 ~ 999.8% can be set in 0.1% unit. Set automatically during auto- tuning 7IIntegration timeRange of 5 ~ 9998 sec. can be set in 1 sec. unit. 8d Differentiation time Range of 0 ~ 2500 sec. can be set in 1 sec. unit. 9LdA Control loop break alarm Range of 0 ~ 9998 sec. can be set in 1 sec. unit. [8]

9 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology Parameters setting method cont. OrderSymbolDesignationHot plate & Magnetic StirrerInitial value 9LdA Control loop break alarm Range of 0 ~ 9998 sec. can be set in 1 sec. unit. Set automatically during auto- tuning 10InS Input value correction Range of ~ can be set in 0.1 unit. 0.0 or LOC Setting value lock Lock: prevent to change setting value On: impossible to change parameters Off: possible to change parameters Off 12PASSProducer side mode [9] A.After all parameters are set, button is pressed for more than 2 sec. to escape the parameter setting state. At this moment, the current and setting temperature are displayed at measurement unit display (PV) and setting unit display (SV) respectively and the control is started. B.If pressing button for more than 2 sec., the controller runs optimum control to operate automatically the most proper PID integer to the thermal properties of the actuator controller. C.If there is no any button operation for more than about 60 sec., returning to the initial state. At this moment, the previous parameter value is stored, not set parameter value.

10 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology 1. After designating external sensor operation by # 16 button, insert sensor connector at # 17. (When using external sensor) Designate internal sensor operation. (When using internal sensor) 2.After connecting cable to # 15, turn on the power switch of # If pressing # 8 button for about 2 sec., the parameter of temperature setting is displayed. The expectative temperature is defined by pressing # 9 and 10 buttons. 4.If pressing # 8 button for a few sec. after setting the temperature, the temperature controller is operated. (initial state) Instruction to control the temperature [10]

11 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology 1.The parameter of temperature setting is displayed with pressing # 8 button for a few sec.. If pressing # 8 button again, tlm is displayed. The expectative time is defined by pressing # 9 and 10 buttons. Minimum 1 min. (0001) ~ maximum 99 hr. 59 min. (9959) 2.If pressing # 8 button for a few sec. after timer setting, returning to initial state. 3.When operating the timer, press # 10 button for about 2 sec.. At this moment, the lamp of # 6 is blinked. If the timer is not set, not operating. 4.If pressing # 10 button for about 2 sec. while the timer is operating, operation is stopped. 5.If pressing # 9 button for about 2 sec. while the timer is operating, remaining time is displayed. At this moment, if pressing # 9 button for a few sec. again, the setting temperature is displayed. 6.When the timer is over, tENd is displayed. If returning to initial state, press # 10 button for a few sec. Instruction to operate the timer [11]

12 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology 1.Because this PID Temp. Controller have already calculated PID values by experiment, it can be used without additional auto-tuning. If the temperature difference occurs a lot, auto-tuning is recommended. 2.Auto-tuning is started by pressing # 11 button and the lamp of # 5 is blinked. 3.Although there are some temperature errors during auto-tuning, the exact temperature is activated after auto-tuning is over. 4.When using the thermostat, the temperature is firstly increased more than the set temperature but returned to normal state after a while. (Overshoot phenomenon) Instruction to operate the auto-tuning [12]

13 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology 3D Micromanufacturing Lab. School of Mechatronics Gwangju Institute of Science and Technology The expectant speed (# 12 display) is defined by rotating # 13 volume. 1.The speed can be controlled from 100 to 1500 rpm by adjusting volume. (The speed is increased by clockwise rotating # 13 volume or decreased by anticlockwise rotating # 13 volume in 10 rpm step.) 2.If anticlockwise rotating # 13 volume fully, the operation is stopped. 3.If rpm is set by rotating # 13 volume, the speed is reached to the setting rpm within a few sec.. The speed is maintained by the operation from the arrival time. 4.If the motor is not immediately rotated due to the influence of the load at first operation, the output should be quickly increased up to above 10 rpm to rotate the motor within 3 sec.. Instruction to operate the motor [13]


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