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Seven safety Interlock® outputs are provided, each rated at 4A resistive, 50VDC, to enable the laser, operate door locks, send signals to a PLC, and so on.

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The ICS-7-OEM, which is integrated with control systems including the laser and the robot, allows the laser to be armed only after all of the safety interlocks have been proven to be in their safe mode of operation.

We researched a design method for improving uniformity of a thin direct backlight by using a diffuser plate with a pattern on the surface. It was found that the transmittance angle distribution (TAD) of the diffuser plate indicated the performance for uniformity and was an essential physical quantity for a backlight optical system with the diffuser plate. We clarified the relationship between the design parameters of the diffuser plate (the pattern and the mean free path of a ray in the diffuser plate) and the TAD of the diffuser plate by a simulation based on Mie theory and the experiments. The direct backlight, in which the distance between the diffuser plate and the lamps was less than 5 mm, was demonstrated. The illuminance uniformity of the diffuser plate was improved to 0.98 by the diffuser plate with a pattern that makes the TAD nearly constant distribution. Furthermore, the optical films on the diffuser plate were optimized, and the illuminance uniformity of the backlight achieved 0.99.

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The ICS-7-OEM has a fully dual channel cross-checked architecture and can realize a system compliant with EN ISO 13849-1 up to performance level ‘e’ when properly wired.

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The ICS-7-OEM controls an interlock system designed to protect personnel from accidental laser exposure. It can monitor multiple doors, windows, curtains, and so on that have safety interlock switches and disable the laser if any of them are open. The adaptable ICS-7- OEM system can be linked to an unlimited number of door switches and can display the status of up to six switches or groups of switches.

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It should be mounted in a convenient location for wiring while remaining inaccessible to operators. It has indicator lights on its top surface that are normally only visible to installation and maintenance personnel.

We researched a design method for improving uniformity of a thin direct backlight by using a diffuser plate with a pattern on the surface. It was found that the transmittance angle distribution (TAD) of the diffuser plate indicated the performance for uniformity and was an essential physical quantity for a backlight optical system with the diffuser plate. We clarified the relationship between the design parameters of the diffuser plate (the pattern and the mean free path of a ray in the diffuser plate) and the TAD of the diffuser plate by a simulation based on Mie theory and the experiments. The direct backlight, in which the distance between the diffuser plate and the lamps was less than 5 mm, was demonstrated. The illuminance uniformity of the diffuser plate was improved to 0.98 by the diffuser plate with a pattern that makes the TAD nearly constant distribution. Furthermore, the optical films on the diffuser plate were optimized, and the illuminance uniformity of the backlight achieved 0.99.

The ICS-7-OEM Controller requires the same functionality as the conventional ICS-9 Controller, but the wiring is done on the front of the panel.

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Enguo Chen, Ju Guo, Zongzhao Jiang, Qiongxin Shen, Yun Ye, Sheng Xu, Jie Sun, Qun Yan, and Tailiang Guo Opt. Express 29(8) 12179-12194 (2021)

During installation, wired connections must be made from the ICS-7-OEM to all interlocked doors, warning signs, laser interlocks, shutters, PLCs, and other system-required equipment.

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The dual channel laser safety interlock control system ICS-7-OEM integrates with PLC Controllers to form a complete laser control system.

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