YYS-4 3 Channel Programmable Relay Control Module Trigger Delay/Timer/Self-latching/Interlock Switch Relay Board

Features This programmable control board is designed with 3 channel relays It supports time delay interlock self latching sequential starting The module is powerful and convenient to operate There are six kinds of commonly used functions to meet the demand of more applications It can be used to control solenoid valves pumps motors light belt etc Specification Model YYS 4Input voltage DC AC 7V 30VOutput power Can control DC or AC loads within 5ATime range Adjustable from 0 1 seconds to 999 minutes Wiring 1 AC DC Input power supply DC AC 7V 30V2 IN1 Signal input 1 negative trigger 3 IN2 Signal input 2 negative trigger 4 IN3 Signal input 3 negative trigger 5 NO relay normally open interface relay are disconnected before energized and connected to COM after energized 6 COM relay COM interface7 NC relay normally closed interface connected to COM before relay is energized and disconnected after relay is energized Functions Function can be set freely by user Set parameters can be saved after power failure P 1 send signal 1 relay 1 is energized till A time automatically stop send signal 2 relay 2 is energized till B time automatically stop send signal 3 relay 3 is energized till C time automatically stop There is only one relay at work at the same time P 2 send signal 1 relay 1 is energized till A time automatic stop then relay 2 is energized till B time stop then relay 3 is energized till C time stop Send signal 1 again repeat