V500-R521 Bar Code Reader and Laser Beam

Can the V500-R521 Bar Code Readers laser be blocked with transparent acrylic boards or PET boards?

The V500-R521 uses a class 2 laser. It is thought that the power of the laser deteriorates from the reflection and refraction when passing through acrylic (transparent) or PET material. If the acrylic material is colored, the coloring also affects the power of the laser.

To completely block the laser beam, a laser light curtain can be used.

The specified wavelength of the V500-R521 is 650 nm.

Helium-Neon (He-Ne) ← Blue

OD2 ← Blocking level (OD2 is sufficient for a class 2 laser.)

Use a light curtain as mentioned above by gluing it to the acrylic or PET material.

Difference between RFID System and Barcode System

What features does the RFID System have compared to the barcode system?

1. A tag can be read even in a dusty environment, or even if water or oil adheres to it.
2. Even if there is a shielding material such as plastic and paper between the tag and the antenna, RFID's reading performance is hardly affected. (However, metal is an exception. Also, certain models are susceptible to moisture.)
3. The tag can be read even if the position or angle of the tag and antenna is not proper.
4. The system is not subject to ambient light.

The barcode system generally handles approximately up to 32 digits, and if more data are handled, a certain invention is required. For example, multiple barcodes should be accumulated to be a single data.

In the case of the RFID system, the tag capacity is approximately from 100 bytes to 8k bytes (about 1 byte = 1 digit) depending on the communication method and the type of tag.

Since the target address is assigned when reading and writing data, only required data can be taken and used among a large quantity of data.

Accordingly, "unification of object and information" is possible, and thus a highly flexible and reliable system can easily be established.

1. Data is visible.
2. Data cannot be rewritten.
3. Each barcode can be made by printing at low cost.

An easier-to-use system can be established by effectively combining the barcode reader and the RFID system.

Compatible RFID Antennas with Robot Cables

Are there any RFID antennas available which are compatible with movable cables (robot cables)?

Yes. The V600-H11-R for the Electromagnetic Coupling RFID System "V600 Series" is compatible with a movable cable, which is 50 cm in length.

Additionally, other antennas for the V600 Series such as Built-in Amplifier Type "V600-H07, -H11, -H51,-H52" and Amplifier part of the Separate Amplifier Type "V600-HA51" can be connected with the following robotic extension cables.

Narrow Bar Width Read by V520-R221 Bar Code Readers

What is the width of narrow bars that can be read using the V520-R221 Bar Code Readers with a reading range of 27.5 to 52.5 mm?

The catalog and manual of the V520-R221 specify the reading range as JAN1.0.

The JAN1.0 narrow bar width is 0.33 mm.

Difference between RFID System and Barcode System

What is RFID system?

RFID system is a non-contact ID system which can read and write data on a tag via radio waves or electromagnetic waves. It consists of a tag (data carrier, ID card) which stores data, an antenna which communicates with the tag, a controller which controls the antenna, and higher-level equipment (system) which controls the controller.

Communication methods between the tag and the antenna include a microwave type using radio waves, and an electromagnetic inductive coupling type applying the electromagnetic principle (transformer principle).

1. Non-contact data communication is possible.
2. Reading and writing of data is possible.
3. Having a capacity enough to record more information than identification codes
4. Small enough to carry around or to use by attaching on an object

RFID stands for Radio Frequency Indication System, and is commonly called Wireless ID System, Wireless IC Tag, FA-ID and Auto-ID.

As can be expected from its common names, the RFID system has two origins: one is consumer/social system developed from the IC card, and the other is industrial ID system as typified by the barcode system, and then both origins have been joined together, making the RFID one of the most highlighted new technologies.