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Device technology and application instructions
| Safety raster definition | |||
|---|---|---|---|
| Level | European standard definition | Technology used | |
| Class B | The most basic technology is used in the design to ensure its reliability. Without the use of safety technology, any failure will result in the loss of safety functions. | Not a safe product | |
| Level 1 | Use guaranteed safety devices and technologies to ensure the safety performance of the product. The possibility of loss of safety function is smaller than that of Class B. The safety performance depends on the components and the adopted safety principles, reliable components and technology. | Single loop without self-testing | |
| Level 2 | The safety requirements are met by periodic self-checks. A fault may cause the loss of the safety function, but it can be detected in the next working cycle. | Periodic self-test single loop | |
| Level 3 | Using guaranteed safety devices and technologies, a failure will not lead to the loss of safety functions. However, the accumulation of faults may lead to the loss of safety functions. | Double loop without self-checking | |
| Level 4 | Using guaranteed safety devices and technologies, a failure will not lead to the loss of safety functions. The safety function always exists. | Real-time self-checking double loop | |
| The use of optical axis spacing | |||
|---|---|---|---|
| Optical axis spacing (mm) | The smallest detectable opaque body diameter (mm) | Scope of protection | |
| 10mm | 15mm | Finger | |
| 20mm | 25mm | Hands | |
| 40mm | 45mm | arm | |
| 80mm | 85mm | Human body | |
Selection of photoelectric protection
1. Selection of protection length: The protection length can be selected according to the length of the machine table or the protection area.
2. Selection of protection height: The protection height of the machine tool should not be less than: the stroke of the machine tool slide + the adjustment amount. For other machinery or dangerous areas, choose the corresponding specifications of the photoelectric protection device according to the height of the area to be protected. .
3. The choice of controller: You can choose an external controller or a built-in controller.
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