Product Summary
The 1734-IR2E is a high-performance analog temperature input module from the Allen-Bradley POINT I/O series. It features two high-resolution RTD inputs with a 16-bit signed integer data format. This module offers precise temperature monitoring without needing an external DC power supply.
Theme A: Product Procurement & Buyer Guide
Understanding the 1734-IR2E Core Specifications
The 1734-IR2E module provides two single-ended, non-isolated RTD inputs. It uses a 16-bit resolution for accurate temperature data. The module operates on a 24 Volts DC system and dissipates just 1 Watt of power. This makes it an energy-efficient choice for your control panel.
Key Technical Parameters for Selection
You must check the module's input range of 0 to 220 ohms. The module delivers an accuracy of 0.1% full scale at 25 degrees Celsius. It also features an accuracy drift of 30 ppm per degree Celsius for ohm inputs. These specs ensure reliable performance in varying thermal conditions.
Mechanical Dimensions and Mounting Details
The module has compact dimensions of 2.21 x 0.47 x 2.97 inches. It weighs only 0.08 pounds for easy handling. You can mount it on a DIN rail using a 1734-TB or 1734-TOP terminal base unit. The open-type enclosure allows for straightforward integration into your system.
Environmental and Operational Tolerances
The 1734-IR2E operates in temperatures from -20 to 55 degrees Celsius. It provides a common mode rejection ratio of 120 dB and a normal mode rejection ratio of 100 dB. These specifications guarantee stable readings in electrically noisy industrial environments.
Wiring and Connectivity Requirements
You must use 22 to 14 AWG shielded thermocouple wire with this module. The module supports four predefined temperature scales including Celsius and Fahrenheit. It also offers one custom scale in millivolts for specialized applications. These features simplify integration into existing measurement systems.
Theme D: Expert Technical Evaluation & Performance Review
Signal Processing and Resolution Analysis
The 1734-IR2E delivers a 16-bit input resolution for high-fidelity data acquisition. It provides a resolution of 2.4 milliohms per count and 0.006 degrees Celsius per count. This level of precision enables accurate temperature monitoring for critical processes.
Diagnostic and Fault Detection Capabilities
The module generates up to 6 bytes of fault status data without using I/O data. It includes alarms for over-range, under-range, high level, low level, and open wire conditions. These diagnostics help you identify and resolve issues quickly to minimize downtime.
Step Response and Isolation Performance
The module has an input step response of 6 to 60 milliseconds. It provides 50 Volts of continuous isolation voltage for safe operation. This isolation protects sensitive control circuits from potential ground loops and voltage spikes.
Power Efficiency and Thermal Management
The module dissipates only 1 Watt of power with a thermal dissipation of 3.3 BTU per hour. This low power consumption reduces heat buildup inside your control cabinet. It also contributes to the overall energy efficiency of your automation system.
Logistics & Standard Packaging Details
- One Allen-Bradley 1734-IR2E Analog Temperature Input Module
- Product documentation and installation guide
- Standard anti-static packaging for safe transport
- Express delivery shipping is available via FedEx, UPS, and DHL
