Transmission principle
The data is transmitted from the PC to the handheld programming device or vice versa via the interface
COM1 or COM2.
The data is transmitted from the handheld programming device to the respective time switch via a
infrared interface or read out from the time switch by the handheld programming device.
The same method is used to transmit the switching programs from time switch to time switch.
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IR interface
handheld programming
device
PC interface