Omron has launched a new safety grating model, the **F35J-A Ver.2**, featuring a **temporary muting function**. This innovative feature allows the grating to be temporarily disabled when the workpiece and stage pass through the detection zone. In addition to this, the F35J-A Ver.2 comes with two key enhancements: (1) **temporary position detection**, and (2) **partial failure function**. The product is priced between 52,000 and 560,000 yen (excluding tax).
The **temporary position detection** function uses limit switches and sensors to determine whether the machine tool or robot—both of which may pose risks—is in a **safe position** or still in a **dangerous area** during operation. When the system confirms that the equipment is in a safe state, the grating can be temporarily deactivated. Previously, temporary muting was often triggered by detecting the presence of a workpiece or a person, which could lead to uncertainty if the operator had not yet started the machining process after placing the workpiece. With this new feature, operators can now safely load workpieces without worrying about false alarms or missed detections.
The **partial failure function** ensures that only a portion of the optical axes are disabled during the temporary muting period. Meanwhile, the optical axes that are not involved in the workpiece movement remain active, allowing the system to detect any unexpected human intrusion during the process. This improves both safety and operational efficiency.
Additionally, the F35J-A Ver.2 introduces a **two-zone detection system**: the **machine stop area** and the **warning area**. For example, if the grating is installed horizontally, the system will first trigger an alarm when the operator approaches a dangerous zone. If the operator continues moving closer, the machine will automatically shut down. This helps prevent accidental activation of the temporary muting function due to grating movement.
Another important feature is the ability to set permanently blocked optical axes as inactive. If multiple optical axes are consistently shielded—such as when certain machine tools are located within the detection area—the device will not start unless the safety output is enabled. This prevents unwanted shutdowns caused by permanent blockages.
To support the use of these advanced features, Omron also introduced the **software "F39-GWUM"** and the **portable control device "F39-MC21"**. The F39-GWUM connects to the grating via a dedicated interface cable, enabling users to configure functions, adjust parameters, and monitor system status in real time. It can display received light levels, detect external light interference, and provide detailed error logs. The F39-MC21, on the other hand, is ideal for environments where computers are not available or where quick setup is required. It simplifies configuration and status checks, making it a valuable tool in workshops with limited IT infrastructure.
Overall, the F35J-A Ver.2 represents a significant advancement in safety technology, offering enhanced flexibility, reliability, and user-friendliness for industrial automation systems.
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