Brand:Allen Bradley PLC Item No.:1794-IR8 Product Origin:USA Product Dimensions:94 x 45.7 x 53.3 mm Product Weight:0.144 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Allen-Bradley 1794-IR8 Flex I/O RTD Input Module is a high-performance industrial temperature measurement solution designed for distributed control systems. As part of the FLEX I/O family, it enables scalable and flexible integration of multiple RTD temperature sensors into PLC architectures.
Engineered for industrial reliability, the module ensures accurate and stable temperature readings even in electrically noisy environments. Its 8-channel design allows efficient multi-point temperature monitoring, making it suitable for complex process control systems.
The 1794-IR8 is widely used in industries requiring precise temperature supervision to ensure safety, efficiency, and process stability.
Technical Specifications
Parameter
Specification
Product Model
1794-IR8
Product Type
Flex I/O RTD Input Module
Manufacturer
Allen-Bradley
Input Channels
8
Sensor Type
RTD (Pt, Ni, Cu)
Input Range
1 to 433 ohms
Resolution
16-bit
Supply Voltage
24 V DC (nominal)
Power Dissipation
~3 W max
Mounting Type
FLEX I/O Terminal Base (DIN rail system)
Dimensions (W × H × D)
94 × 45.7 × 53.3 mm
Weight
0.144 kg (0.32 lb)
Industrial Applications
The Allen-Bradley 1794-IR8 Flex I/O RTD Input Module is designed for precise temperature measurement in distributed automation systems. It converts resistance temperature detector (RTD) signals into accurate digital values for PLC-based control and monitoring applications within the FLEX I/O architecture.
Typical applications include:
Industrial process temperature monitoring
Motor and bearing temperature supervision
Heat exchanger and boiler temperature control
HVAC system temperature acquisition
Chemical and pharmaceutical process monitoring
Food and beverage production temperature tracking
Energy and power plant equipment monitoring
General industrial temperature feedback systems
This module is widely used where accurate multi-channel temperature sensing is required in harsh industrial environments.
Key Advantages
8-channel RTD input capability for multi-point temperature monitoring
High-resolution 16-bit signal conversion for accurate measurement
Supports multiple RTD types (Pt, Ni, Cu sensors)
Stable performance in electrically noisy industrial environments
Compatible with Allen-Bradley FLEX I/O distributed systems
Reliable continuous operation in process automation systems
Flexible integration with PLC control architectures
Built-in filtering for improved signal stability
Technical FAQs
1. What is the main function of the 1794-IR8 module?
It converts RTD resistance signals into digital temperature values for PLC systems.
2. How many input channels does it support?
It supports 8 RTD input channels.
3. What types of RTD sensors are supported?
It supports platinum, nickel, and copper RTD sensors.
4. What is the resolution of this module?
It provides 16-bit resolution across the measurement range.
5. Is it compatible with FLEX I/O systems?
Yes, it is fully compatible with Allen-Bradley FLEX I/O architecture.
6. Can it be used in industrial environments?
Yes, it is designed for harsh industrial and process environments.
7. What kind of signals does it measure?
It measures resistance changes from RTD temperature sensors.
8. Does it support high accuracy measurement?
Yes, it offers high accuracy with low noise interference and stable readings.
9. What industries commonly use this module?
Process industries, manufacturing, energy, and HVAC systems.
10. Does it require calibration?
It can operate without calibration but supports enhanced accuracy modes depending on system configuration.
