Description
1/2/4/8 Channels Optocoupler Switch Relay High-Low Level Trigger 3A Optocoupler Isolation DC Solid State Relay Module
Product Description
Solid state relay control module, optional positive or negative signal trigger, only 0.1mA trigger current can drive the solid state relay with a maximum control capacity of 3A, the module uses genuine high-quality components, red and blue signal indicators, industrial-grade double Surface PCB board, layout consideration is comprehensive, stable performance. The use of new technology in the industry enables the solid state relay output terminal to have extremely small internal resistance, which can replace the contacts of mechanical relays, and has the characteristics of small control current, fast action time, and long working life. It can be widely used in various power or Signal control occasions.
Module description
1. DC 5-40V wide voltage power supply, with power anti-reverse connection capability; 2. Output rated load: AC/DC 0-50V/2A; Maximum load: AC/DC 0-60V/3A (within 100ms); 3. The output port is a normally open switch contact, which is an uncharged dry node and has no requirement for the current direction; 4. Input control high and low level can be selected; built-in current-limiting resistance, can be directly controlled by the positive or negative pole of the power supply, or controlled by the I/O port of the single-chip microcomputer; 5. The module has strong anti-interference ability and stable performance; the minimum trigger current is only 0.1mA; 6. There are 1 way, 2 way, 4 way, 8 way to choose from; the default is 2 way 7. With power indicator (red) and each relay status indicator (blue) 8. The module uses blue high-current terminal blocks; 9. Module size: 3.0cm * 5.0m * 1.0cm (length * width * height)
Note
This module can be directly used for the control of signal or resistive load; if it is used for the control of inductive loads (such as small motors, solenoid valves, etc.), please reserve more than 3 times the margin, and need to add at both ends of the inductive load Freewheeling protection diode.
Specification
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Module interface
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DC+
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External DC power supply positive
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DC-
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XM
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Trigger terminal common port, you can select high level or low level trigger through this interface
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X1-X2
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Trigger terminal, can choose high level or low level trigger, the trigger current only needs 0.1mA
When high level trigger is selected: 3-32V is the effective high level voltage
When low level trigger is selected: 0-2V is valid low level voltage
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Relay output
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NO1-NO2
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The relay normally open interface, the relay is suspended before it is closed, and shorted to COM after it is closed;
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C0M1-COM2
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relay common interface;
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Details Images