NI SCXI-1520 Embedded control card

The block I/O port provides: • Up to 77 expansion block I/O units • 4-wire communication interface • Up to 200 feet between block I/O units The User Port is used to communicate with a touch-screen, a hand-held controller, or other serial interface device. The user port provides: • RS232/RS485 communication • Baud rates to 19.2 K • Multidrop capability

General I/O Port 

The general I/O port includes: • 16 24 VDC inputs Sink or source in groups of eight Inputs 1 and 9 can trigger an interrupt on the rising or falling edge 

• +24 VDC and 24 V Common 

• 16 24 VDC outputs Source only 250 mA output capacity short circuit protected

Application industry

The products can be used in the following industries: power plant, paper making, steel, mining, rubber, water supply, cement, chemical industry, glass, printing Textile, machinery, plastics, coatings, medicine, hospitals, food, hotels, scientific research institutions

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