Product Details
Overview
The Allen-Bradley 1794-IRT8 is a high-precision FLEX I/O analog module designed to measure thermocouple and RTD signals. It supports 8 input channels, divided into two groups of 4, and integrates seamlessly with terminal base units 1794-TB3G, 1794-TB3GS, and 1794-TB3GK. The module provides reliable signal acquisition for industrial monitoring and process control applications.
Technical Specifications
-
Manufacturer: Allen-Bradley
-
Model / Part Number: 1794-IRT8
-
Product Type: FLEX I/O Thermocouple/RTD Input Analog Module
-
Number of Inputs: 8 channels (2 groups of 4)
-
Compatible Terminal Bases: 1794-TB3G, 1794-TB3GS, 1794-TB3GK
-
Input Voltage Ranges:
-
Thermocouples: -40…100 mV DC
-
RTDs: 0…325 mV DC
-
-
Resolution: 14 bits
-
Isolation Voltage: 50 V continuous, Basic insulation; type tested at 1365 V AC for 60 s (between field side and system). No isolation between channels
-
FlexBus Current: 20 mA nominal
-
Power Dissipation: 3.0 W max @ 31.2 V DC
-
Thermal Dissipation: Max 10.2 BTU/hr @ 31.2 V DC
-
Keyswitch Positions: 3
-
Indicators: Red/green power status LED
-
Operating Humidity: 5–95% non-condensing (IEC 60068-2-30 Test Db)
-
Vibration Resistance: 5 g @ 10–500 Hz (IEC 60068-2-6 Test Fc)
-
Dimensions (L x W x H): 6.9 × 9.4 × 9.4 cm
-
Weight: 2 kg
Applications
Ideal for precise temperature monitoring in manufacturing processes, chemical plants, and energy systems. Supports integration with existing FLEX I/O networks for scalable and reliable process control.
FAQ
Q: Can this module be used with all FLEX I/O bases?
A: It is compatible with 1794-TB3G, 1794-TB3GS, and 1794-TB3GK terminal bases.
Q: What types of sensors can it read?
A: Supports both thermocouples (-40…100 mV DC) and RTDs (0…325 mV DC).
Q: Is there isolation between individual channels?
A: No, individual channels are not isolated; isolation is provided between field and system side only.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Microcontroller vs. PLC: Choosing the Right Control System Architecture
This technical guide clarifies the distinctions between microcontrollers and Programmable Logic Controllers (PLCs), detailing their specifications, structural differences, and industrial positioning.
Understanding FIFO and LIFO Advanced Data Buffer Sequences in PLC Programming
This technical brief explains the mechanical operation, instruction block parameters, and deployment strategies for these stack sequences within modern industrial control systems.
Engineering the Future: PLC Programmer Salary and Career Trajectory
Maximize your earning potential in industrial automation. This technical guide analyzes PLC programmer salary structures across system integrators, OEMs, and top vendors, mapping out the definitive career path to transition from traditional ladder logic into high-paying IT/OT convergence and Industry 4.0 architecture.