Allen Bradley 1794-IR8 Temperature Input Module

The AB 1794-IR8 is an 8-channel RTD input module from the FLEX I/O series, purpose-built for precision temperature monitoring in distributed control systems. Designed for use with platinum, nickel, and copper RTDs, this module provides 16-bit resolution and supports a wide range of industrial sensing applications.

Compatible with TB3T or TB3TS terminal bases, the 1794-IR8 supports rail-mounted configurations for compact and efficient system integration. With support for multiple resistance thermometer types and a screw connection interface, it offers reliable, scalable temperature acquisition in a flexible modular design.

Technical Specifications

Model: 1794IR8
Series: FLEX I/O
Module Type: Temperature Input Module
Input Type: RTD (Platinum, Nickel, Copper)
Resolution: 16-bit
Input Channels: 8
Output Channels: 0
Terminal Compatibility: TB3T, TB3TS
Application: Temperature monitoring, distributed I/O, industrial control systems

Electrical Specifications

Input Signal Type: Resistance thermometer
Input Current: Yes
Input Voltage: Yes
Output Current: No
Output Voltage: No
Power Supply: Via terminal base
Signal Processing: 16-bit high-resolution analog conversion
Communication Protocols Supported: None (requires compatible FLEX I/O adapter)

Mechanical Specifications

Width: 94 mm
Height: 46 mm
Depth: 53 mm
Mounting Type: DIN rail
Rack Assembly: Not supported
Wall Mounting: Not supported
Connection Type: Screw terminal
Front Installation: No

Environmental Specifications

Operating Temperature: 0°C to 55°C
Storage Temperature: –40°C to 85°C
Humidity: 5% to 95% RH (non-condensing)
IP Rating: Not specified (dependent on installation base and enclosure)

Compliance & Certifications

CE Marked: Yes
UL / cUL Listed: Yes
RoHS Compliant: Yes
Standards: IEC/EN 61131, EN 61326, EN 61010

Key Features & Benefits

✅ 8 RTD Inputs: Supports platinum, nickel, and copper RTDs for diverse sensing requirements.

✅ High Resolution: 16-bit analog-to-digital conversion for precise temperature control.

✅ Modular Design: Integrates seamlessly with FLEX I/O systems via TB3T or TB3TS base.

✅ Space-Saving: Compact DIN rail-mounted form factor ideal for distributed architectures.

✅ Reliable Connectivity: Secure screw terminal wiring for stable field signal interfacing.

📦 Order the Allen Bradley 1794-IR8 from Drive Outlet Megastore

At Drive Outlet Megastore we offer unbeatable Allen Bradley 1794-IR8 prices. Designed for accuracy and scalability, this FLEX I/O module is the perfect solution for multi-point temperature monitoring in compact industrial environments.

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Precise. Flexible. Efficient. — Drive Outlet Megastore