1, A1000 inverter introduced
Yaskawa A1000 transducer has superior performance, is widely used in fluid machinery, lifting machinery, metal processing machinery, handling machinery, printing machinery and modern industrial fields, especially provides the best solution for transmission control and speed of printing machinery.
1.1 INTRODUCTION
The superior driving performance of motor 1.1.1:
The most advanced motor drive technology; induction motor and synchronous motor inverter can be universal; parameters can be set to switch the induction motor and synchronous motor
Equipped with self-learning function rich: a variety of built-in self-learning mode, whether it is driving an induction motor or synchronous motor, can give full play to the driving performance; self-learning content also includes the customer's machine; equipped with the new mode of online self-learning.
The utility model is characterized in that the utility model can be used for 2 kinds of instantaneous power failure compensation functions, which can be used for the sensorless control of induction motors or synchronous motors, and can be used for instantaneous power compensation of 2 seconds.
1.1.2 starts with the environmental performance of the inverter:
Energy saving: the most advanced motor drive technology; the use of inverter energy-saving control, can achieve efficient operation of induction motors.
When used for synchronous motor super energy saving; high efficiency synchronous motor and inverter energy saving control at the same time, you can go beyond the induction motor, super energy saving.
Environmental resistance: resistance to environmental design; in line with the RoHS directive; noise reduction; suppression of power harmonics.
1.1.3 changes the industry's strongest performance in mechanical registration:
Speed up the compact design of mechanical miniaturization;
According to the preferences custom equipped with visual programming function of DriveWorksEZ converter;
Easy debugging, automatically set the most appropriate parameters;
Reliable braking function;
Long life design, inverter design life: 10 years.
2, the main function of the main motor of the offset press
In order to realize the whole process of printing, web offset printing machine need to install a printing plate, cleaning roller, tape and other operations, which need to move the main motor speed, running, high speed rated running at full speed and emergency stop action.
The following is the main motor speed regulation of the main functional requirements:
The speed instruction given by increasing / decreasing, it is from low speed 1Hz start with the "SB3" key operation speed, gradually speed up to the desired frequency, up to 50Hz full speed; using the "SB2" key operation speed is reduced, gradually slow down to the desired frequency, the low 1Hz, stop running.
The positive / negative point operation, used to meet the printing machine printing plate, cleaning drum, the need to start and stop the frequency of 1Hz below the smooth, do not allow the drum crawling.
The main motion control mode adopts open loop dynamic torque vector control.
The diversity of the acceleration and deceleration time, acceleration and deceleration time adjusted according to customer requirements, emergency stop deceleration time is 0s.
The fault output signal and alarm reset signal.
3, frequency control scheme
The speed instruction is given in the form of a button or a passive contact switch, and the speed of the speed is decided by clicking on the "SB2/SB3" key, and the purpose of the low speed starting of the main motor, the slow running of the vehicle and the printing at full speed are achieved.
Positive turn start: the common end of the SC and S1 through the K6 off, K1 dynamic and K2 dynamic contact closure.
Reverse start: common end SC and S2 via K6, K1 and K2 movable contact closure.
Punctuality: public SC and S1 end by K6, K3 and K2 break break contacts closed; the public end SC and by K6 S7, K3 and K1 break break contacts closed.
Reverse point action: the common end of the SC and S2 through the K6, K3 and K2 dynamic contact closure; the common end of the SC and S7 through the K6 dynamic break, K3 and K1 dynamic contact closure.
Functional terminal SC/S8 can be achieved free parking, SC/S4 alarm reset, SC/S3 can achieve emergency stop, can be selected according to need.
Roll fed offset printing machine main motor inverter wiring as shown in figure.