Description:It is a multifunction delay relay module.LCD display, very clear, easy to use, powerful.It can be widely used at Smart home,Industrial control,Automatic irrigation,Indoor ventilation.Protection equipment.Features:LCD display;Support high and low level trigger;Emergency stop function;Sleep mode,Wake up with any button;Automatically save parameters;Support UART Set;Independent of parameters;Continuously adjustable from 0.01 seconds to 9999 minutes;Optocoupler isolation.Enhanced anti-jamming capabilityParameters :Product Name:Delay Relay ModuleProduct Number:XY-LJ02Working Voltage:DC 6V-30V or 5V Micro USBControl Current:10A(Max)Quiescent Current:15mAWorking Current:50mAWorking temperature: -40~85Suitable for battery:Storage Battery,Lithium batteryTrigger signal source: High level trigger (3.0V~24V), Low level trigger (0.0V~0.2V), switching control (passive switch)Reverse protection:YesPhysical dimension:80*38*2.1mmWork Mode:P1:Relay will keep ON for time OP after get trigger signal and then relay OFF;The input signal is invalid if get trigger signal again during delay time OP.P2:Relay will keep ON for time OP after get trigger signal and then relay OFF;Module will restart delay if get trigger signal again during delay time OP.P3:Relay will keep ON for time OP after get trigger signal and then relay OFF;Module will reset and stop timing if get trigger signal again during delay time OP.P4:Relay will keep OFF for time CL after get trigger signal and then relay keep ON for time OP and then relay will OFF.P5:Relay will keep ON for time OP after get trigger signal and then relay keep OFF for time CL and then loops the above action.Module will reset and stop timing and relay OFF if get trigger signal again during loops.The number of cycles (LOP) can be set.P6:Relay will keep ON for time OP after power on without get trigger signal and then relay keep OFF for time CL and then loops the above action.The number of cycles (LOP) can be set.P7:Signal hold function.Reset delay time and relay keep ON if keep get trigger signal.Relay OFF when the signal disappears.Reset delay time when get trigger signal again during timing.Timing range:Continuously adjustable from 0.01 seconds to 9999 minutes.Enter the settings interface when short press button STOP in the OP / CL parameter modification interface(Flashing) to select timing range.Pay attention to the position where the decimal point moves when the button is pressed.Display XXXX.No decimal point, the timing range is 1 second ~ 9999 seconds.Display XXX.X.The decimal point is the penultimate, timing range is 0.1 second to 999.9 seconds.Display XX.XX.The decimal point is the third last, timing range is 0.01 second to 99.99 seconds.Display X.X.X.X.The decimal point is fully lit, timing range is 1 minute to 9999 minutes.For example, if you want to set the OP to 3.2 seconds, move the decimal point to the penultimate position, LCD will display 003.2.Parameter Description:OP: Turn On time;CL: Turn OFF time;LOP: Number of cycles.Range is 1-9999tims.---- means unlimited loop.Set Parameter:Long press:keep press button for more than 3second.1>.Enter set parameter menu by long press button 'SET'.2>.Work mode will flash at first set the working mode.Short press the UP/DOWN button to set the working mode.3>.Short press the SET button to select the working mode and enter the system parameter settings.4>.In the system parameter setting interface, short press the SET button to switch the system parameters to be modified, short/long press the UP/DOWN button to modify value;Note:Short press SET is invalid at mode P1,P2,P3,P7..Enter setting interface when short press button STOP in the OP/CL parameter modification interface(Flashing) to select timing range (1s/0.1s/0.01s/1min).Save the parameter settings and exit the settings interface when long press SET button after all the parameters are set.UART communication and parameter settingsThe system supports UART data upload and parameter setting functions (TTL level);UART: 9600, 8, 1NO. Command: Function1 Read Read the parameter setting2 OP:XXXX Set the minimum delay time for turn ON : 1s3 OP:XXX.X Set the minimum delay time for turn ON : 0.1s4 OP:XX.XX Set the minimum delay time for turn ON : 0.01s5 OP:X.X.X.X Set the minimum delay time for turn ON : 1min6 CL:XXXX Set the minimum delay time for turn OFF : 1s7 CL:XXX.X Set the minimum delay time for turn OFF : 0.1s8 CL:XX.XX Set the minimum delay time for turn OFF : 0.01s9 CL:X.X.X.X Set the minimum delay time for turn OFF : 1min10 LP:XXXX Number of cycles:1-999911 ON Relays Enable12 OFF Relays Disable13 PX Set mode P1~P7Application:1>. Motor2>. Robot3>. Smart home4>. Industrial control5>. Automatic irrigation6>. Indoor ventilation10.Additional Feature