Hello everyone. I recently bought a Solari MD 120 which would normally act as a slave for a Cifra 120 but I have no intent of buying a Cifra master. My intent is to use an NTP synchronized Arduino or Raspberry Pi to send an impulse once a day to the clock.
Does anyone know what voltage and signal I should be sending to advance the date? Is it just a standard 24 VDC pulse once a day? Additionally, does anyone know anyone what each of the wires are? There are red, black and white wires along with a ground. I believed this clock to be a unipolar design as I can advance the date by applying 9VDC between the black and white wires so I’m not sure what the red is for.
Lastly, does anyone know if this clock has a perpetual date function? The manual seems to indicate that it does but I think it may be driven by the master rather than this slave.
Thanks in advance for any information!
Does anyone know what voltage and signal I should be sending to advance the date? Is it just a standard 24 VDC pulse once a day? Additionally, does anyone know anyone what each of the wires are? There are red, black and white wires along with a ground. I believed this clock to be a unipolar design as I can advance the date by applying 9VDC between the black and white wires so I’m not sure what the red is for.
Lastly, does anyone know if this clock has a perpetual date function? The manual seems to indicate that it does but I think it may be driven by the master rather than this slave.
Thanks in advance for any information!
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