369-HI-R-M-0-0-0-0 Application Cases
Automatic Control of a Factory Cooling Water Circulation Pump
In a large factory's cooling system, it's necessary to ensure that the circulating water pump operates automatically based on water pressure. A sensor that senses the pipe water pressure is connected to the "HI" input of the 369 module.
Interlocking protection for production line safety doors
On automated stamping or assembly lines, safety light barriers or door locks are installed to ensure operator safety.
High-level alarms and overfill prevention for storage tanks
In chemical or water treatment plants, tank levels need to be monitored to prevent overfilling.
Advantages
High Reliability and Anti-interference: The "HI" input design ensures stable operation in electromagnetically noisy factory environments.
Powerful Load Driving Capability: The relay outputs can switch high voltages and currents, enabling direct control of high-power devices such as contactors, solenoid valves, and indicator lights without intermediate circuits.
Electrical Isolation: The inputs, outputs, and power supply are typically electrically isolated from each other. This effectively prevents ground loops, high-voltage crosstalk, and other hazards that could damage sensitive equipment in the control system.
Cost-Effectiveness: For simple on/off control tasks, using this dedicated module is more cost-effective than configuring a complete PLC system.
