National Instruments, Austin, TX, offers 12 isolated M and S Series multifunction DA devices with 16-bit accuracy, 250 Ksps sampling rates, ±10 V or ±20 mA analog outputs, and 5 V TTL/CMOS or 24 V digital I/O. The devices have channel-to-channel or bank isolation with 1950 VDC/1400 Vrms transient withstand for 5 s to a PCI bus. They can measure from sensors with the signal plus common-mode voltages of up to 60 V.
