User's Manual

3
Introduction
Thank you very much for purchasing our Kanban Reader Model 4S2VR-V720-KR11 Series.
Model 4S2VR-V720-KR11 Series is a product developed with advanced technology and accumulated
experiences of Omron.
This Operation Manual includes important information on functions, performance and operating method required
for using Model 4S2VR-V720-KR11 Series.
In operating Model 4S2VR-V720-KR11 Series, observe the following instructions.
Read and understand this Operation Manual before starting operation.
Save this Manual with care for future reference.
Notes to Users
When this product is used in the following conditions and environment, care should be used to take safety measures
such as failsafe provision and use with sufficient allowance in rating and performance, and contact sales personnel
of Omron to assure safe and proper operation.
1. Use of the product in conditions and environment not specified in the Operation Manual.
2. Use of the product with equipment for nuclear control, railroad, aviation, vehicle, fuel system, medical
equipment, entertainment devices and safety equipment
3. Use of the product for application which may have a major impact on a human life and property, and
application requiring special safety.
For Safe Operation
Be sure to observe the following instructions to assure safety.
1. Do not use the product in the presence of inflammable, explosive and corrosive gas.
2. Do not attempt to disassemble, repair or remodel the product.
3. Tighten the base securing screws and terminal screws securely.
4. Use crimping terminals of the specified size for wiring.
5. Make sure that a cable or the like having a lock mechanism is securely locked before operation.
6. Ensure that the DC power supply unit meets the following requirements.
1) It should be exclusively used for 4S2VR V720-KR11 and not be connected to other machines and
equipment.
2) The power supply meets the rating of supply voltage (within 5V±5% DC).
7. Observe warnings, cautions and notes included in this manual.
Correct Way to Use
1. Avoid the following places in installing Model 4S2VR V720-KR11.
Place subjected to direct sunlight
Place subjected to high humidity and dew condensation
Place where the main body of the device is subjected to direct vibration and impacts.
2. Prior checking on operating environment
This product uses the frequency band of 13.56MHz and make communications with the tag. The frequency
band of 13.56MHz is also used for the ISM band (One of frequencies assigned to medical equipment and