Features: This model is likely to be a 4-channel relay module designed for functions such as signal conversion, isolation, amplification or alarm in industrial applications. The relay module is usually used to convert the electrical signal into a mechanical contact action to achieve the on-off control of the circuit.
2. Product characteristics (based on general relay module characteristics)
Number of channels: There are 4 independent relay channels, each of which can be programmed and configured independently.
Relay type: May include single pole double throw (SPDT), double pole Double throw (DPDT), or other types of relays, depending on application requirements.
Seal and protection: Relay modules may be sealed with epoxy or other materials to provide the necessary level of protection against interference from external environments such as dust and moisture.
Electrical characteristics: including rated current, rated voltage, contact resistance, disconnect time and other parameters, these parameters will determine the use of the relay module range and performance.
Indicator and monitoring: May be equipped with LED indicators to show the status of each relay channel (e.g. normal, alarm, etc.).
Communication interface: Depending on the specific design of the module, serial communication, parallel communication or other communication protocols may be supported for data exchange with the control system.
Programming and configuration: Programming and configuration through dedicated software or hardware interfaces to achieve the required logic functions and alarm Settings.
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