Sea for N16S2T series PLC control hyperactivity linear motor design - Industrial control -

One, the application background of linear motor is used to replace the rotary stepper or servo motor + screw belt transmission way, due to its directly connected to the load, eliminating the middle transmission link, have a higher response speed, at the same time, the grating ruler and other precision feedback element, is the perfect combination of high speed and high precision. Because of these advantages, the linear motor motion control system is widely used in all kinds of equipment in the field of automation of upgrading, the main application industry are laser cutting, laser marking, semiconductor industry solid crystal machine, binding machine, automated material handling and transfer of coordinated manipulators, rail transportation, etc.

2, demand for the current application using three linear electric motor on the same stator magnetic track campaign, because the traditional screw structure can't be too long, for a longer screw easy deformation; In addition, a multiple load on the screw only to one direction at the same time, the more dynamic substructure adopts linear motor, can realize more moving relative to one another between the child and relative operation, widely used in automation equipment requirements. Therefore, use the sea for N16S2T as control PC, cooperate with the linear motor three active cell implement transfer workpiece handling and process operation. Three, solution 1

. Using our DK05 linear motor drive connected to the linear motor;

2。 The sea for N16S2T DK05 linear motor drives and connectivity;

3。 Linear motor drive DK05 parameter debugging, make the linear motor can run normally;

4。 Write PLC program, make the linear motor can run under program control.

5。 Improve the PLC controller program, make the three linear electric motor son can run at the same time under the program control; Four, hardware configuration,

figure 1 is connected

figure 2 hyperactivity son linear motor

5, the software design of figure 3 program screenshots

6, summarize the application of 1. Due to the PLC output pulse frequency of 200 KHZ, if using a resolution of 1 um/count grating ruler, running speed can reach 200 mm/s, in order to achieve a higher speed, can be set within the drive gear ratio, for example, needs to reach speeds of more than 2000 mm/s, amend the gear ratio of 10:1;

2。 Due to the encoder feedback signal is difference form, PLC can only accept single-ended signals, therefore, if you would have a encoder feedback access real-time monitoring of PLC, must add a difference signals turn collector module, then connected to the PLC so that PLC controller can correctly identify the signal.

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