5V 2-way relay module with optocoupler isolation compatible with high and low level trigger expansion board
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5V 2-way relay module with optocoupler isolation compatible with hi...
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Description
Description
2. Uses chip optocoupler isolation, large driving capacity, stable performance; trigger current 5mA
3. Module working voltage 5V, 12V, 24V for choice
4. The module can be configured via the high level jumper or low level trigger.
5. Fault-tolerant design, even if the control line is broken, the relay will not be activated.
6. Power indicator (green), relay status indicator (red)
7. Humanized interface design, all interfaces can be directly connected through terminal wires, very convenient
8. Size: about 5 x 2.6 x 1.85 cm, with 4 fixing bolt holes, holes about 3.1 mm, spacing about 44.5 x 20.5 mm
-Module interfaces:
1. DC+: Connect to the positive terminal of the power supply (voltage according to the relay requirements, 5V, 12V and 24V options)
2. DC-: connect to the negative power supply
3. IN: can be high or low level to control the relay closing
-Relay output:
1. NO: Normally open relay interface, vacant before the relay is energized, and shorted to COM after the relay is energized
2. COM: relay common interface
3. NC: Normally closed relay interface, shorted to COM before the relay is energized and left open after the relay is energized.
-High and low edge trigger selection terminal:
1. Low level trigger when the jumper is shorted to low
2. High level trigger when the bridge is shorted to high
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