IOtech Inc., Cleveland, OH, offers the 6000 Series Ethernet-based DA modules for voltage, temperature, and strain measurements. Each module features integrated signal conditioning and a modular design with built-in channel expansion capability. The modules offer 12 analog inputs and 8 digital I/O. The 6220, 6230, and 6231 are for voltage measurements with 16- or 24-bit resolution, 100 or 50 kHz sample rates, and ±10 or ±60 V input ranges, depending on model. The 6224 is for strain gauge/bridge inputs, has 24-bit resolution, 50 kHz sampling, and ±25 mV/V input range. The 6222 is for thermocouples and offers 24-bit resolution, 2 Hz sample rates, and ±80 mV input range.