OVERVIEW

Official designation: Allen-Bradley 2085-IRT4 (Micro800, Thermocouple/RTD Input Module)

Role/Application: Modular expansion I/O for Micro850 controllers, acquiring temperature data from 4 isolated differential channels using thermocouple or RTD sensors.

KEY SPECS SUMMARY

Power: 5 Volts DC, 160 mA; 24 Volts DC, 50 mA

Interfaces / Ports: Removable terminal block, Module Bus

Indicators: One green health LED

Operating Temp: Minus 20 degrees C to plus 65 degrees C

Platform / Compatibility: Micro850 Expansion I/O, DIN rail/panel mount

Limit: 4 Channels, 16 bit resolution, 50 Volts isolation

Lifecycle: Active

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the input impedance and conversion time for each enabled channel?

A: Input impedance is greater than 10 M Ohm, and the conversion time is 12 to 500 ms.

Wiring & Installation:

Q: What are the primary methods for mounting the 2085-IRT4 expansion module?

A: The module is designed for both DIN rail mounting and direct panel mounting.

Troubleshooting & Compatibility:

Q: What thermocouple types are supported by the 4 input channels of the module?

A: Supported thermocouple types include B, C, E, J, K, N, R, S, and T.

Replacement & Upgrades:

Q: Does the 2085-IRT4 module also support RTD sensor types in addition to thermocouples?

A: Yes, it supports RTD types including Pt100, Pt1000, and various Nickel sensors.