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[34d7f3]: / doc / eg-pms2.rst Maximize Restore History
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EnerGenie EG-PMS2
Controller board
On the controller circuit board are:
- microcontroller Atmel MEGA88PA
- real time clock S35390
- battery for running the real time clock without power (may need replacement after several years of service)
Schedule
Schedules are stored in a 40 byte buffer per port.
The format deviates from prior EnerGenie and Gembird devices.
The first 5 bytes are:
- 1 byte indicating the port: 3 * port-number + 1
- 4 bytes seconds since 1970-01-01 in LSB format indicating time of programming
The next groups of five bytes indicate the scheduled actions:
- 1 byte where bit 0 indicates the action: 0 off, 1 on, and bit 1 indicates if the action shall be repeated in a loop.
- 4 bytes seconds since 1970-01-01 in LSB format indicating the scheduled time
The last 5 bytes are:
- 1 byte 0xE5
- 4 bytes loop duration in seconds in LSB format, 0x00000000 indicates no loop
The rest of the buffer is filled with 0x00
On a factory fresh device the content of the buffer is:
- 1 byte indicating the port: 3 * port number + 1
- 38 bytes 0x55
- 1 byte 0x00