Product Documentation

Automatic Speed regulation
By using feedback from the encoders the MD49 is able to dynamically increase power as required. If
the required speed is not being achieved, the MD49 will increase power to the motors until it reaches
the desired rate or the motors reach there maximum output. Speed regulation can be turned off with the
use of the REGULATOR DISABLE command..
Automatic Motor Timeout
The MD49 will automatically stop the motors if there is no I2C communications within 2 seconds. This
is to prevent your robot running wild if the controller fails. The feature can be turned off with the
DISABLE TIMEOUT command
Controlling the MD49
The MD49 is designed to operate with a TTL level serial bus (5v levels) at either 9600 or 38400 baud
depending on the jumper selection and accepts either one or two stop bits. A jumper is supplied to make
the default shipped baud rate 38400. Do not connect the MD49 to RS232 directly, if you wish to
connect to RS232 it must be with the aid of a voltage level converter such as a ST232 or serial interface
such as S13.
Commands
An easy to use command set provides all of the functions that the MD49 has to offer. The commands
are sent with a sync byte of 0 at the start and then the command followed by any data bytes. The MD49
will then respond if the command is applicable.