Patent ID: 9671523
Date: 2017-06-06
CPC Classifications: F16P,G01V,G08B

Claim:
1. An apparatus of a field installable light curtain status module, the apparatus comprising: a housing extending along a longitudinal axis between a proximal end and a distal end; an electrical interface disposed at a proximal end of the housing and including a connector for making pluggable electrical connection to a cascading electrical output port that is disposed in a seal member sealably attached to a light curtain module, wherein the electrical interface is configured to pluggably make or break operative connection to the cascading electrical output port while the seal member is sealably connected to the light curtain; at least one control terminal in the electrical interface, wherein when the electrical interface is pluggably connected to the cascading electrical output port, the control terminal is adapted to receive a status control signal indicative of a plurality of status conditions of the light curtain module; a light generation module operably connected to the electrical interface to receive the status control signal, wherein in response to the status control signal the light generation module generates a first illumination output signal indicative of an all beams clear status condition of the light curtain module, and a second illumination output signal indicative of a beam blocked or lockout status condition of the light curtain module; and, a translucent window at the distal end of the housing and configured to permit the first and second illumination output signals to be visible from within the window to substantially any direction that lies in a plane orthogonal to the longitudinal axis, wherein the light generation module is disposed within an interior volume defined by the housing and the translucent window.