The PIO-D144U card is the new generation product that ICP DAS provides to meet RoHS compliance requirement. The new PIO-D144U card is designed as a drop-in replacement for the PIO-D144, and users can replace the PIO-D144 by the PIO-D144U directly without software/driver modification.
The PIO-D144U universal PCI card supports 3.3 V/5 V PCI bus while the PIO-D144 supports 5 V PCI bus. These cards provide 144 TTL digital I/O lines, and these lines are grouped into eighteen 8-bit bi-direction ports. Every three ports on a connector are grouped and named as port A (PA), port B (PB) and port C (PC) respectively. All ports are configured as inputs upon power-up or reset.