Allen Bradley 1746-NR4 SLC 500 RTD Resistor Analog Input Module

Applications

• Precise temperature measurement in industrial automation using RTD sensors.

• Integration with SLC 500 PLCs for modular analog input expansion.

• Monitoring of process variables such as liquid or gas temperature.

• Use in manufacturing environments requiring accurate resistance-to-temperature conversion.

• Real-time feedback for process control and system diagnostics.

Key Advantages

• Supports 4 RTD input channels with high accuracy and repeatability.

• Compatible with SLC 500 PLC architecture for seamless system integration.

• Industrial-grade design ensures durability under harsh conditions.

• Easy setup and configuration for rapid deployment in process control applications.

• Provides reliable, precise analog input data for critical control loops.

Technical FAQs

Q1: What types of RTD sensors does the 1746-NR4 support?
It supports standard RTD types such as PT100 and PT1000.

Q2: How many analog input channels are available?
The module provides 4 independent RTD input channels.

Q3: What is the input resolution of the module?
The resolution is 14-bit, enabling precise measurement of temperature variations.

Q4: Does the module provide isolation between channels?
Yes, each channel is electrically isolated to prevent signal interference.

Q5: What is the typical accuracy of the inputs?
Accuracy is ±0.1°C over the specified operating temperature range.

Q6: Can it handle multiple sensor types simultaneously?
Yes, the module can be configured to support mixed RTD sensor types per channel.

Q7: What is the operating temperature range?
The module operates reliably from -20°C to 70°C.

Q8: Can the module be hot-swapped?
No, power must be removed before installation or removal.

Q9: Which PLC chassis are compatible?
It is compatible with Allen Bradley SLC 500 series and 1746 chassis models.

Q10: How is calibration performed?
Outputs are factory-calibrated, with adjustments possible via RSLogix 500 software.