Instrumentation Analog Input Module Select instrumentation analog inputs when… …you need to read thermocouples, or you need differential inputs for high accuracy, or you need floating 4-20 mA inputs. n Advanced 16-bit A/D converter for extreme accuracy n True differential inputs minimize noise and ground loops n Software selectable ranges – mix inputs on module n Linearizes and compensates thermocouple readings n Upscale/downscale thermocouple burnout detection n Fault tolerant 4-20 mA range with an auto-polarity feature Performance Specifications Number of channels Lowest voltage range Maximum voltage range Auto-polarity current range Thermocouple types (see note) A/D resolution Full scale accuracy (@ 20°C) Input span adjustability Input offset adjustability Span temperature coefficient Offset temperature coefficient mV and voltage input impedance 4-20 mA input impedance CMRR (at 50/60 Hz) DMRR (at 50/60 Hz) Common mode input voltage: Between two input terminals Between inputs and ground No damage input voltage Fastest scan rate (all 8 channels) Maximum ST-Bus power Isolation (input to ST-Bus) Operating temperature range Storage temperature range Humidity (non-condensing) 8 +/- 0.062 Volts +/- 10.0 Volts 4-20 mA J,K,E,R,T,B,C,N,S 16 bits +/- 0.02% +/- 25% +/- 25% +/- 30 ppm per °C +/- 30 ppm per °C 200K Ohms 100 Ohms 160 db 66 db +/- 25 VDC 1200 Volts +/- 50 VDC 500 mS 1200 mW 1200 VDC -30 to 70°C -40 to 85°C 5 to 95% Note: Thermocouple inputs are cold junction compensated and reported as °F, °C or 0.1°C. Ordering Information Description 8 Inputs w/Wiring Base Module only SIXNET • Box 767 • Clifton Park, NY 12065 USA • +1 (518) 877-5173 • FAX +1 (518) 877-8346 Part Number ST-AI-INS-08U ST-AI-INS-08M • [email protected]