ADIO-104 ---- All in one PC/104 Module

ADIO-104 ---- All in one PC/104 Module Description:

The ADIO-104 blends the most requested analog and digital I/O functions in a single PC/104 compliant module. Designed to satisfy mainstream and cost-sensitive applications, the ADIO-104 will be the only peripheral board required in many instances. The sixteen single-ended 12-bit analog inputs are independently programmable to operate in one of four ranges: 10V, 5V, +5V or +10V. This effectively increases the dynamic range to 14-bits when using range-switching software techniques. The analog-to-digital converter operates up to 50ksps and allows the separate acquisition and conversion intervals to be controlled by the host software or automatically timed by the ADIO-104 hardware. A special feature allows simultaneous (Phase-Coherent) acquisition on identically configured analog input pairs. Eight 12-bit analog outputs are provided and share a common jumper selectable output range: +5V, +10V, -5V, -10V, 5V, or 10. An on-board DC/DC converter permits the bipolar and 10V ranges to be achieved while operating the module from a single +5V host supply. In addition, the analog outputs can be updated simultaneously using a single software command, a necessity in phase-critical applications such as X-Y positioning. Depending on the model purchased, all analog outputs are automatically set to zero-scale (RZ) or mid-scale (RM) during a hardware reset. Three 8-bit digital I/O ports are provided. PORT-A is bi-directional and can be software programmed for input or output operation on a 4-bit nibble basis. PORT-B has six bi-directional channels and two dedicated input channels. Pull-up resistors on the four lower channels simplify connections to external switches, contact closures, and open-collector devices. PORT-C is an output only port. The four upper channels feature 50V/165ma open-drain MOSFETs, ideal for directly driving relay coils, indicators, and solenoids. Also included is an 8-bit binary Pulse-Accumulator (counter) and an edge-sensitive external interrupt input. A standard J1/P1 stack-through connector allows the ADIO-104 to reside anywhere within an 8-bit PC/104 stack. Adding an optional J2/P2 connector provides 16-bit stack-through compatibility and access to all upper interrupt request lines.