Product Overview
The Allen-Bradley 1769-IR6 is a Compact I/O RTD/resistance input module designed for accurate temperature and resistance measurement in industrial automation systems. With six individually configurable input channels, this module supports a wide range of RTD sensors and direct resistance signals, making it a versatile choice for demanding applications.
Part of the CompactLogix family, the 1769-IR6 fits into a single slot of a 1769 CompactLogix chassis or a MicroLogix 1500 controller. It offers reliable performance with built-in diagnostics and flexible mounting options, ensuring seamless integration into existing control systems.
Technical Specifications
Key specifications of the Allen-Bradley 1769-IR6 module include:
-
Manufacturer: Rockwell Automation / Allen-Bradley
-
Part Number: 1769-IR6
-
Product Type: RTD / Resistance Input Module
-
Product Line: CompactLogix
-
Product Family: Compact I/O
-
Module Type: RTD Module
-
Input Type: Resistance
-
Number of Inputs: 6
-
Sensors Supported: 100, 200, 500, 1000 Ω Platinum 385; 100, 200, 500, 1000 Ω Platinum 3916; 120 Ω Nickel 672; 120 Ω Nickel 618; 10 Ω Nickel-iron 518
-
Resistance Signals: 150 Ω, 500 Ω, 1000 Ω, 3000 Ω
-
Communication Cable: 6 Point
-
Current Draw @ 5.1V: 100 mA
-
Current Draw @ 24V: 35 mA DC
-
Heat Dissipation, Max: 1.5 W
-
Converter Type: Sigma Delta
-
Nonlinearity: ±0.05%
-
Repeatability (50/60 Hz filter): ±0.01 °C (0.018 °F) for Ni and NiFe; ±0.2 °C (0.36 °F) for other RTD inputs; ±0.04 Ω for 150 Ω resistances; ±0.2 Ω for other resistances
-
Open Circuit Detection Time: 6 ms…303 s
-
Wire Size (Solid): 22 to 14 AWG
-
Wire Type: Copper 90 degrees Celsius
-
Series: A and B
-
Replacement Door Part Number: 1769-RD
-
Replacement Door Label Part Number: 1769-RL2 series B
-
Replacement Terminal Block Part Number: 1769-RTBN18
-
Recommended Cable: 2-wire: Belden 9501 or equivalent; 3-wire: Belden 9533 or equivalent; 4-wire: Belden 83503 or equivalent
-
UPC: 10611320314417
-
UNSPSC: 32151705
Industry Applications
The Allen-Bradley 1769-IR6 excels in temperature monitoring applications across process industries, including chemical, pharmaceutical, and food processing. Its ability to handle direct resistance signals also makes it suitable for displacement measurement in factory automation, such as clamping and rotation detection.
For example, in a packaging line, the 1769-IR6 can monitor motor winding temperatures via RTDs, providing early warning of overheating and preventing unplanned downtime. Its high repeatability (±0.01 °C for nickel sensors) ensures precise control in critical processes.
Installation & Setup
Mount the 1769-IR6 on a DIN rail or panel within a 1769 CompactLogix chassis. Connect RTDs using 2, 3, or 4-wire configurations, following the recommended Belden cables for optimal signal integrity. Use the removable terminal block (1769-RTBN18) for easy wiring and replacement. Configure each of the six channels individually via the controller software, selecting the appropriate sensor type and filter frequency (10 Hz, 50 Hz, 60 Hz, 250 Hz, 500 Hz, 1 kHz).
Maintenance & Reliability
Regularly inspect the terminal block connections and ensure the module is free from dust and moisture. The 1769-IR6 features built-in open-circuit, short-circuit, and over/under-range detection, simplifying troubleshooting. With a non-condensing relative humidity range of 5-95% and vibration tolerance up to 5 G at 10-100 Hz, this module is built for demanding industrial environments. Its robust design minimizes maintenance needs, reducing total cost of ownership.
Compatibility & Integration
The 1769-IR6 is compatible with MicroLogix 1500 and CompactLogix controllers. It can also be used in distributed I/O racks with 1769-ADN DeviceNet or 1769-AENTR Ethernet adapters. This flexibility allows seamless integration into both centralized and distributed control architectures.
Selection Guide
When ordering the 1769-IR6, verify the series (A or B) and ensure you have the correct replacement parts if needed. For applications requiring high accuracy, select the appropriate RTD type and wiring configuration. PLC Source PRO offers genuine Allen-Bradley modules with fast shipping and competitive pricing, ensuring you get reliable components for your automation projects.