Remote TTL Card Support 48 I/O Points

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A remote 48-point TTL I/O card is designed for fast real-time PC-based control systems. The 7I69 from Mesa Electronics communicates with the host with a robust RS-422 link with up to 100 ft link length. Standard CAT5 cables are used for wiring convenience. The 7I69 is supported by Mesa’s low-cost FPGA cards that present a simple parallel register interface to the host, with all protocol details handled by the smart interface. One FPGA card can support up to 32 external devices and up to 3072 control points while still maintaining 10 kHz service rate for all points. 

The 7I69 provides 48 open collector TTL compatible I/O points. I/O connectors are two 50 pin headers with I/O module rack compatible pinouts, allowing the 7I69 to drive two 24 point I/O module racks. 7I69 is suited for high-performance industrial automation and machine tool applications. Price in quantity 100 is $50.

MESA Electronics, Richmond, CA. (510) 223-9272. [].