DC / DC power supply: 19 '' rack mount for computer
100 W | PU5
MEN Mikro Elektronik
The PU5 has a nominal input voltage of 110 VDC with a wide input range of 77..137.5 V and a max. input voltage range of 66..154 V (according to EN50155). The otherwise identical PSU models PU6 and PU8 are available for the nominal input voltages of 24 VDC and 36 VDC respectively.
It is controlled by a microprocessor which supervises the voltage and the temperature as well as one external input (for its key input function) and one output.
Thanks to the onboard intelligence the PSU can also act as an SMBus slave and communicate with the CPU board via the backplane. This allows the PSU to power on the system at a programmed date and enables the CPU to make status polls with regard to, e.g., error messages, time-out or on/off.
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