Signal Conditioning for System Control and General O/P (J13 & J16)
Note: These outputs are pulled up to +5V through a diode for convenience of driving lightly loaded
TTL devices. They are intended however to be used as sinking drivers where the load to be driven
has one end attached to 24V. The drivers will then switch the connected end of the load to ground.
The drivers can sink up to 500mA of current.