When a beam is obstructed by an opaque object, a safety relay halts the machinery or process within milliseconds. Some light curtains allow the process to resume once the obstruction is removed, while ...

Most light curtain controllers contain three relays: two control or safety relays and one auxiliary or status relay. They also include a power supply that receives AC or DC inputs. Integral light ...

Safety light curtains, also known as light guards or light barriers, are optoelectronic devices crucial for safeguarding personnel and preventing access to hazardous areas in industrial environments.