Application design of H3u small PLC in labeling machine

1. Brief introduction of the scheme:

The equipment adopts Inovance controller, interface display, vision system, and driver package to realize high-speed and high-precision automatic label placement.

2. Scheme configuration:

Inovance HMI+ Inovance H3U high-performance PLC+ Inovance vision system + Inovance IS620P servo driver+ Inovance servo motor + other stepping systems.

3. Program features:

1. The CANlink bus mode replaces the traditional pulse control, which improves the anti-interference and positioning accuracy of the system;
2. The standard Ethernet interface of PLC realizes the rapid interaction with the big data of the vision system;
3. Provide a variety of formula options for different process requirements;
4. Realize high-precision tracking and long feeding.

4. Product advantages:

1. The high-speed real-time CANLINK bus of the H3u host ensures the positioning efficiency and accuracy;
2. The position control of the servo can be realized through a CANDRVA command, and the command automatically completes the coordination of various states of the servo;

CAN positioning instruction guide

3. H3u realizes high-precision fixed-length feeding based on the 0-delay interrupt fixed-length instruction (DVIT) of FPGA hardware;

Interrupt positioning DVIT instruction

4. The H3u host has its own Ethernet communication interface, which allows faster communication with the vision, thereby improving the labeling efficiency of the whole machine.

5. The H3u host also has its own pulse positioning function, which can be equipped with multiple stepping motor drivers, and with S-curve acceleration and deceleration, so that the stepping motor can be accurately controlled without losing step.

V. Program summary:

1. The CANlink bus protocol that comes with H3u reduces the IO of the entire system and greatly reduces the system cost;
2. The 1M bus communication rate ensures the positioning efficiency and accuracy;
3. Up to 40K characters of power-down retention components provide a basis for customers' multiple process formulas.

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