Procure now: Allen-Bradley 1769-IR6 RTD Temperature Input Module
Atlantechdrives provides you the 1769-IR6, a high-precision 6-channel analog module specifically designed for Resistance Temperature Detectors (RTD) and direct resistance sensing. This module is essential for process control industries where accurate temperature monitoring is critical for safety and product quality.
- Channels: 6 RTD / Resistance Inputs
- RTD Types: Pt 100, 200, 500, 1000; Ni 120; Cu 10
- Resolution: 16-bit
- Data Format: Engineering Units (Celsius, Fahrenheit), Raw Proportional
- Excitation Current: 1.0 mA (typical)
- Backplane Current: 150 mA @ 5.1V / 40 mA @ 24V
Technical Superiority: 16-bit Precision for Thermal Control
Order now the 1769-IR6 to achieve laboratory-grade temperature acquisition in your industrial environment. This module utilizes a 16-bit Delta-Sigma converter to provide exceptional granularity, allowing your CompactLogix system to detect temperature fluctuations as small as 0.1 degree. The 1769-IR6 is engineered with sophisticated internal compensation circuitry that automatically accounts for lead-wire resistance in 3-wire and 4-wire RTD configurations. This ensures that the distance between the sensor and the PLC does not degrade the accuracy of the reading. When you procure the 1769-IR6, you are gaining a module with programmable notch filters that reject 50Hz and 60Hz line noise, a mandatory feature for precise sensing near heavy industrial machinery and high-voltage power lines.
Installation Advice: Wiring for Lead-Wire Compensation
To ensure the 16-bit accuracy of the 1769-IR6, wiring is everything. We strongly recommend using 3-wire or 4-wire RTDs instead of 2-wire configurations to eliminate errors caused by wire resistance. Use high-quality shielded twisted-pair (STP) cable and ensure the shield is grounded only at the PLC chassis ground. Route the RTD cables in a separate conduit away from AC power lines and VFD cables. In the software configuration (Studio 5000), make sure to select the correct «Sensor Type» and «Mains Frequency» filter to match your local power grid. Proper installation of the 1769-ECR end cap is vital to maintain a clean 5V backplane for the analog-to-digital converters.
Maintenance and Signal Stability
The 1769-IR6 is factory-calibrated, but for ISO-certified processes, we recommend an annual calibration check using a high-precision decade box to simulate RTD resistance. Maintenance involves checking the terminal block for oxidation, which is the leading cause of «Channel Fault» errors in temperature modules. Sourcing an authentic 1769-IR6 from Atlantechdrives guarantees that the internal current sources are within factory tolerance, preventing temperature drift that can ruin sensitive chemical or food-batch processes.
FAQs
Q: Does the 1769-IR6 support thermocouples?
A: No, it is for RTD and resistance only. For thermocouples, you must use the 1769-IT6 module.
Q: Can I use 2-wire RTDs?
A: Yes, but you must install a jumper at the terminal block, and accuracy will be lower due to lead-wire resistance.
Do you need more references from this brand? Explore our full catalog of Allen-Bradley here.
For precise RTD temperature control, this 6-channel module integrates seamlessly into any rack managed by a 1769-L33ER processor.
