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Sinotimer Tm-630s Manual [work]

Use the button to toggle between the three operating modes. The current mode is usually indicated by an icon or text on the LCD.

The TM-630S can be connected to a computer or a control system using the RS485 or MODBUS communication interface. sinotimer tm-630s manual

If you need to flip the switch immediately without waiting for a program: Use the button to toggle between the three operating modes