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Allen-Bradley 1756-IRT8I

Allen-Bradley 1756-IRT8I

SKU: 1756-IRT8I-SOB-USA

Next Day Delivery Available for U.S. Stock

All Parts Come with 12 Month Warranty

New, Surplus, and Refurbished Available

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Warranty Information

All products (new, surplus, and refurbished) are covered by Chief Automation's 1 Year Warranty. The Manufacturer's Warranty does NOT apply.

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Condition SKU Stock Location and Best Delivery Date Price Purchase
Surplus Original Box 1756-IRT8I-SOB-USA 3 United States $1,348.05
1756-IRT8I-SOB-ASIA 29 Asia $1,755.94
Refurbished 1756-IRT8I-R-USA 3 United States $0.00
1756-IRT8I-R-EU 1 Europe $1,798.80
The Allen-Bradley 1756-IRT8I module is a sophisticated high-resolution analog I/O component designed for the ControlLogix system, providing eight fully isolated channels suitable for RTD, thermocouple, and millivolt inputs. This module supports precise temperature monitoring with RTD types including platinum, nickel, and copper sensors, as well as a wide array of thermocouple types ranging from B to TXK (L), with ITS-90 linearization. Engineered with a 24-bit resolution, the module offers exceptional sensitivity across multiple input ranges and incorporates advanced features such as cold junction compensation, notch filtering, and robust noise rejection, making it ideal for integration with HMI, SCADA, and DCS systems.

Technical specifications for 1756-IRT8I

Manufacturer Rockwell Automation
Brand Allen-Bradley
Part Number/Catalog No. 1756-IRT8I
Series ControlLogix
Module Type Analog RTD / Thermocouple / milivolt Module
Inputs 8 Isolated Channels
No. of Inputs Eight (8) Point Isolated RTD / Thermocouple / milivolt
Current Draw (5.1 Volts) 200 milliamps
Compatible RTD Type 100, 200, 500, 1000 ? Platinum, alpha=385 100, 200, 500, 1000 ? Platinum, alpha=3916 120 ? Nickel, alpha=672 100, 120, 200, 500 ? Nickel, alpha=618 10 ? Copper, alpha=427
Current Draw (24 Volts) 150 milliamps
Compatible Thermocouple Types B, C, D, E, J, K, N, R, S, T, TXK/XK (L)
Power Dissipation (Maximum) 4.6 Watts
Resolution 24 bits 0…510 ?: 0.06 m?/count 0…1020 ?: 0.12 m?/count 0…2040 ?: 0.25 m?/count 0…4080 ?: 0.50 m?/count -101…101 mV: 0.01 ?V/count
Thermal Dissipation 15.7 BTU per hour
Input Range 1…500 ? 2…1000 ? 4…2000 ? 8…4000 ? -100…100 mV
Isolation Voltage 250 Volts Continuous
Module Scan Time 1 ms
Backplane Current at 24 Volts 2 milliamps
Data Format IEEE 32-bit floating point
Backplane Current (5Volts) 250 mA
UPC 10885630245420
Backplane Current (24 Volts) 150 mA
Power Dissipation (Max) 4.6 W
UNSPSC 32151705
Removable Terminal Blocks 1756-TBNH, 1756-TBS6H
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