1794-IRT8

Overview

The 1794-IRT8 is an Allen-Bradley FLEX 8-Point Thermocouple/RTD Module designed for precise temperature measurement in industrial control systems.

Input Channels

• Number of Inputs: 8 channels (2 groups of 4)

• Compatible Terminal Base Units: 1794-TB3G, 1794-TB3GS, 1794-TB3GK

Nominal Input Voltage

• Thermocouples: −40…100 mV DC

• RTDs: 0…325 mV DC (default)

Supported Thermocouple Types

• B: 300…1800 °C (572…3272 °F)

• E: −270…1000 °C (−454…1832 °F)

• J: −210…1200 °C (−346…2192 °F)

• K: −270…1372 °C (−454…2502 °F)

• TXK/XK(L): −200…800 °C (−328…1472 °F)

• N: −270…1300 °C (−454…2372 °F)

• R/S: −50…1768 °C (−58…3214 °F)

• T: −270…400 °C (−454…752 °F)

Supported RTD Types

• 100 Ω Pt α=0.00385 Euro: −200…870 °C (−328…1598 °F)

• 200 Ω Pt α=0.00385 Euro: −200…400 °C (−328…752 °F)

• 100 Ω Pt α=0.003916 U.S.: −200…630 °C (−328…1166 °F)

• 100 Ω Pt α=0.003916 U.S.: −200…400 °C (−328…752 °F)

• Nickel: 100 Ω −60…250 °C, 200 Ω −60…200 °C, 120 Ω −80…320 °C

• Copper: 10 Ω −200…260 °C (−328…470 °F)

Resolution

• ADC Resolution: 14 bits

---