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16 channel relay module low trigger with optocoupler LM2596 power control board module 12V
Specificatii:
1. The 12V relay contact capacity is 10A 250V, with optocoupler protection. The onboard power module does not require an external power supply. I / O port drive low level is effective.
2. Can be used as a single-chip development board module, can be used as home appliance control, can also be used as PLC expansion output.
Module features:
1. The voltage range of the control signal: the trigger signal is low level 0-2V; the high level voltage cannot exceed 5V.
2. Using industry-quality isolated optocoupler, strong anti-interference ability and stable performance; the trigger current only needs 3mA.
3. The 1-16 channels can be opened / closed at will.
4. Output form: directly connected to AC 220V 10A or DC30V 10A load
5. The common terminal COM of each relay is DU stand-alone, which is convenient for users to access different signals. Each relay has a normally closed and normally open port.
6. Each relay is equipped with an action indicator light, which attracts the light and turns off when it is disconnected.
7. The interface design is user-friendly. All interfaces can be directly led out through the wiring terminals, which is very convenient.
8. There are 4 fixing bolt holes for easy installation.
9. PCB board size: 180MM (L) * 90MM (W) * 20MM (H).
Electrical parameters:
Power supply voltage: 5V 12V (DC)
Supply current: greater than 200mA
Each relay can be loaded: 250V 10A (AC) or 30V 10A (DC)
Product instructions:
1. The power supply should meet the scope of use, DC 12V;
2. The power supply should not be reversed according to the wiring diagram;
3. The product uses the LM2596S buck chip to generate a slight heat, which is a normal phenomenon. The relay also has a normal heating phenomenon when it works for a long time, which is a normal phenomenon;
4. The load power should leave a certain margin for the relay load. The environment of high power (about 2000W) and long working hours should be avoided, which will have a certain impact on the product life.
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