Product Features: Timing Range: 0 to 999 minutes Working Power Supply: 12V Version: DC 10-16V 24V Version: DC 20-30V Voltage Detection Error: ±0.1V Voltage Detection Display Range: 0 to 99.9V Electrical Durability: Over 100,000 cycles (10A-250VAC) Electric Shock Load: 10A/277VAC, 10A/30V DC Relay Features: Group conversion (normally open and closed contacts) Working Current: 55mA/12V when relay is active, 8mA/12V in standby Digital Display: Three digits with auto-off setting (0 to 9 Min), parameters saved for 30 years Weight: 26.6g Dimensions: 57 x 42 x 20 mm (L x W x H) Operating Temperature: -40°C to 85°C Package Includes: 1 × Module Board Interface Descriptions: V+ : Voltage detection positive input terminal V- : Voltage detection ground IN+ : Forced switch signal input IN- : Forced switch signal input NO : Normally open relay terminal COM : Relay common terminal NC : Normally closed relay terminal Instructions for Use: Upon powering the module, the indicator will flash four times and remain steady. The digital display will show the detected voltage. Use the SET button to configure settings: Quick press SET to adjust settings; the digit will flash. Use the ENTER button to cycle from 0 to 9. First, set the voltage upper limit. Press SET three times to set the voltage lower limit. Ensure the lower limit is not set higher than the upper limit. Press SET again to adjust the voltage correction value (range -0.5 to +0.5). Default is 0. Set the digital display's auto-off time with SET (e.g., "dL0" for always on, "dL9" for off after 9 minutes). Once settings are complete, the module will enter voltage detection mode, continuously monitoring the DC voltage. If the detected voltage surpasses the set upper limit, the relay activates (connecting the normally open, disconnecting the normally closed). The relay will deactivate once the voltage falls below the lower limit (connecting the normally closed, disconnecting the normally open). To reverse the relay's logic during voltage detection, hold SET for three seconds. To adjust relay timing, press ENTER for a quick change or hold for three seconds to reset. The rightmost decimal point flashes during active timing. External connections or a voltage signal (DC 5-26V) can force the relay to activate. In the absence of external signals, the relay operates based on voltage detection. Note: Ensure reliable contact at voltage detection terminals. Loose wiring or inadequate insulation can lead to inaccurate detections.
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