Conrad DIGI 35 CPU

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Conrad DIGI 35 CPU
Status in progress
Channels 1
Voltage/current (CH1) 1-35V / 0-2.55A
Connectivity RS232
Features settable values, interval and timed power-off functionality

The Conrad DIGI 35 CPU is a one-channel digitally-controlled laboratory power supply with RS-232 connectivity. It came onto the market in 1992.

Hardware

ICs

  • Motorola 68HC05C4 (CPU)
  • DAC-0802L (2x)
  • LM-336 Voltage Reference
  • TODO

RS-232 Interface

The RS-232 interface is equipped with a DB-9 plug in DTE configuration. It only receives data, but does not send any and uses no handshake lines.

9600 (power-on default), 4800, 2400 and 1200 baud are supported.

To convert it to a more common DCE configuration, unplug and open the device and solder the RxD line from pin 2 of the DB-9 socket to pin 3.

Photos

  • TODO

Protocol

ASCII based.

Resources