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UniMAT Application in high optical temperature machine

I. Introduction of equipment:


The mold temperature machine is developed to assist a OEM customer, and is used for injection molding machine operation. Originally OEM customers used traditional electrical equipment control method to make a prototype, according to the system requirements, control pumps, water valves and some alarm display needs a series of corresponding switches and indicators, but also a large number of relays, wiring is very troublesome. The commissioning and trial results of the prototype are not ideal, so PLC is adopted to control the operation of the device. Obviously, in the case of meeting the system control requirements, customers preferred the cheap UniMAT 224 CPU plus UniMAT 4TC module and 16DO module to achieve control.


Control requirements:


1). control the hot water or cold water discharge according to the temperature feedback or setting time of the road.


2). The control flow is divided into manual control and automatic control. The two control modes can not be carried out simultaneously. All actions must be completed when the pump is started.


3). monitor and control the operation of the device through the touchscreen and display the alarm.


4). it is required that several sets of set time and temperature parameters can be saved and read directly.


Address assignment table

Q0.0

蜂鸣器

Q0.1

信号输出

Q2.0

加热泵

Q2.1

加热出

Q2.2

加热入

Q2.3

加热自循环

Q2.4

排热水

Q2.5

推热水

Q2.6

吹气

Q3.0

冷却泵

Q3.1

冷却出

Q3.2

泄气

Q3.3

冷却入

Q3.4

冷却自循环

Q3.5

排冷水

I0.0

逆相

I0.1

水压

I0.2

气压

I0.3

热泵过载

I0.4

冷泵过载

I0.5

注塑机信号

AIW0

循环水入

AIW2

循环水出

AIW4

模具温度

Control flow chart:

触摸屏主要界面:

3.Conclusion,

Using UniMAT CPU224 and extended module to control, not only programming is simple, wiring is simple, maintenance is also convenient, not only to ensure the stability of the control, but also to save costs.



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