This sounds ideal but there is a problem which is particular to large open plan offices – let us suppose that a person leaves their desk to talk to a colleague at the next desk. It is possible that during their absence their own lights switch off, but now, because they are absence sensors and they can only be turned back on via the switch it will be necessary for the person to walk all the way back to the switch at the doorway to turn their lights back on. Not only could that be a long walk in an open plan office but it could also result in turning on lights at other work stations that have been left unoccupied all day. This is where the flex7 control plus sensors come into their own – during set up it is possible to set flex7 absence sensors with presence detection enabled. Now revisiting the same scenario, when the individual walks back to his desk his lights will automatically switch back on.
This type of hybrid sensor, we believe unique to flex7, is in many ways the perfect choice for control and is probably the most optimal in energy saving. Furthermore because a 3 position centre off switch was chosen it is also possible to initiate the lights off as well as on, thus making it perfect as a last man out switch.