Kay, dean of PLC application in hot runner

Kay, dean of PLC in the application of hot runner newmaker welcome to e hall exhibition hall 3 PLC controller PLC programmable controller, PLC programming cable. 。 。 A, an overview of the hot runner is a kind of widely used in the industries of plastic mold temperature control equipment, is a kind of plastic injection mould pouring runner system advanced technology and equipment, is a hot direction of the development of the plastic injection molding process. Beijing dean kay company and a polyester mold factory use dean kay KDN - the company independent research and development K3 series PLC and thyristor voltage regulation module, jointly developed a control system of hot flow path, including four temperature control and 12 road voltage regulation. On 4 road temperature can be set respectively and PID control, precision is + / - 1 ℃. On 12 road ( Multiplex) Voltage can be set and control respectively. 4 road temperature out of the prescribed scope alarm. No. 12 ( Multiplex) Voltage out of range given alarm. The output elements ( Silicon controlled rectifier) Short circuit and open circuit alarm. All actual temperature value can be shown, and all of the actual output voltage value. Three, module introduction SCR (silicon controlled rectifier 可控硅) Is widely used in industrial automation field of voltage control of power devices. Control thyristor ( 可控硅) Conduction Angle of silicon controlled rectifier output voltage adjustable, so a large number of application in the temperature control, lighting, motor speed, etc. Dean kay company dedicated to thyristor controlled thyristor voltage regulator module ( FM351) The module is KDN - Extension of the K3 series PLC controller functional modules connected to the CPU extension on the bus. Each extension module can control four SCR (silicon controlled rectifier 可控硅) ； Control mode from the program to the thyristor module written to the output voltage value, regulation is accomplished by the module itself, can be achieved: open-loop control, silicon controlled rectifier output voltage changes over the external power grid voltage. , a closed-loop feedback control thyristor output voltage stability of voltage values set by the user in the nearby. It can follow the change of the external power grid voltage automatically adjust thyristor trigger time, so that the actual output voltage is always stable near the set voltage value. Alarm detection, open-loop control: 'SCR disconnection alarm,' SCR short circuit 'alarm; Closed-loop control: 'SCR disconnect' alarm, 'SCR short circuit' alarm and actual beyond value plus or minus 10 v output voltage alarm, thyristor module and communication between the CPU module error alarm. Four, selection of PLC control system to control the core KDN - K3 series PLC. KDN - K306- 24 ar, host a, it has 14 input / 10 a relay output. KDN - K331- 04 tc, a thermocouple temperature measurement module. KDN - K351, multi-function thyristor regulating extension module 4. BTA40 bidirectional thyristor 16 only. Touch screen as human-machine interface. Temperature feedback control mold has four road, accurate temperature control, the KDN - K331- 04 measure the mould temperature tc thermocouple temperature measurement module, together with the given value by PLC of the PID arithmetic, by FM351 multi-function thyristor extension module to adjust the conduction Angle of silicon controlled voltage regulator output voltage change, so as to control the heater power to keep the mold temperature in the specified value. Voltage regulation and 12 of the flow path accurate control of the heating voltage, to KDN - in the program Setting K351 silicon controlled voltage regulator module transfer voltage value, and thyristor module adjusting conduction Angle of silicon controlled voltage regulator output voltage change, can be adjusted on passage of the temperature. Silicon controlled voltage regulator extension module automatically voltage detection and feedback function, make the output voltage stability. Out-of-tolerance alarm when SCR short circuit, open circuit, voltage and thyristor voltage regulation module failure, silicon controlled voltage regulator module can automatically to the CPU module transmission fault information, on a touch screen display alarm screen, notify the fault types in order to repair. （ Including out-of-tolerance alarm temperature) 。 According to the need can be displayed on the touch screen other temperature curve. Because the four-way accurate temperature control in moulds have the function of soft start, so that the mold in slowly rising temperature when the phone is switched on, avoided to mould thermal shock, extend the life of the mold. All operations are completed on a touch screen, the realization of the parameter setting and display, and each output of the rev. Stop. Panel is equipped with the abrupt stop button. Five, summarizes the practical operation shows that the system fully meet the technological requirements. With advanced PLC control system to replace the traditional instrument system, not only greatly improve the equipment operation reliability and control accuracy, simplifies the system wiring, and ascend in LCD screen man-machine interface of beautiful degrees, more important is to help the equipment manufacturer to improve the technical grade of the products, increase the added value of the product.
Shenzhen Coolmay Technology Co., Ltd. have now decided to extend our company in other countries.
Shenzhen Coolmay Technology Co., Ltd. intends to make enough profit to generate a fair return for our investors and to finance continued growth and development in plc manufacturers.
The programmable control systems plc manufacturers has significantly numerous benefits over other plc controller price systems, which makes it first choice for programmable control systems.