OPEN COLLECTOR OUTPUTS - Isolated 10 channel NPN open collector outputs with clamp diodes, 24V, 500mA per channel
Device webpage: http://hapcan.com/devices/universal/univ_3/univ_3-9-0-x/
Hardware created in Eagle PCB Software http://www.cadsoftusa.com/
Firmware created in Microchip MPLAB http://www.microchip.com/mplabide/ in assembly language