Description
The JSM/CJSM front keypad is a 2-button input device used for control applications. Each button functions as a momentary switch, sending signals to a connected system.
Working Principle
- Pressing a button closes a circuit, sending an electrical signal.
- The keypad connects to a controller (e.g., microcontroller, PLC) for processing.
- Buttons are typically mapped to functions like START/STOP or CONFIRM/CANCEL.
Specifications
- Voltage: 3.3V, 5V, or 12V (system-dependent)
- Current: <100mA per button
- Interface: Direct wiring or ribbon cable
Applications
- Industrial machines
- Security systems
- Embedded electronics
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