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Item specifics
Product Description
product description: 1. This module complies with international safety standards, and the control area and the load area have isolation slots; 2. Using high quality genuine relays; 3. With power and relay action indication, the light is bright and the light is off; 4. When there is a signal at the signal input end, the common terminal and the normally open end will be turned on; 5. Can be used as a microcontroller development board or PLC module, which can be used as home appliance control; 6. Control DC or AC signal, can control 220V AC load; 7. There is a normally open and a normally closed contact; 8. Blue KF301 terminal is more convenient to connect to the control line. 9. Size: 26*44mm Weight: 15g For the description of the high-level and low-level trigger modes, please don't understand the friends: The high level trigger refers to the trigger mode of the voltage between the signal input terminal and the ground, which can be understood as a way to trigger the short circuit of the signal input terminal and the VCC positive terminal; Low-level triggering refers to the triggering mode of the voltage between the signal input terminal and ground is OV, which can be understood as a way to trigger the short circuit of the signal input terminal and the GND negative terminal.  |
