... provide 4 or 8 or 12relay outputs. Analogue Receiver receives sensing information from sensor units (such as ... fans, and so on) on or off.Each receiver may connected with up to 3 control modules, ... total 12 channels can be controlled by a receiver.The receiver has an interface to YTL Bus, which can ... LED Dimmer.A configuration software is supplied with the receiver for users to configure it using a PC, ...