There are two types of Safety Light Curtains that are compatible with IEC 61496-1 and IEC 61496-2.
Type-2 Safety Light Curtains can be used for systems in categories B, 1, and 2. Type-4 Safety Light Curtains can be used for all categories.
Type-2 Safety Light Curtains can be used for systems in categories B, 1, and 2. Type-4 Safety Light Curtains can be used for all categories.