Computer/Embedded Technology


Opto isolation and reed relays for USB

9 February 2005 Computer/Embedded Technology

The latest additions to Eagle Technology's MicroDAQ product family are the 62, 63 and 69 products. These products add opto-isolated inputs and reed relay outputs to the company's already extensive range that features products for USB, serial and wireless applications. The MicroDAQ 62/63/69 are based on Eagle's PCI-762, 763 and 769 products.

The 62 model features 16 or 32 opto-isolated inputs, as well as 24 standard DIO lines. One uses opto-isolated inputs to read voltages that are higher than the standard 5 V TTL digital I/O. Opto-isolation allows one to read up to 28 V d.c. on a digital input.

The 63 model features 16 or 32 reed relay outputs as well as 24 standard DIO lines. Reed relay outputs are used to switch low current devices or relays up to 15 W. The 69 is a combined product, which features both 8 or 16 opto-isolated inputs and 8 or 16 reed relay outputs, as well as 24 standard DIO lines.

These units can also be supplied as a Rugged MicroDAQ, featuring a rugged extruded aluminium housing, internal AC or DC power supply and optional battery backup.



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