Description
Allen-Bradley 1734-IR2: High-Precision RTD/Resistance Input Module
The Allen-Bradley 1734-IR2 from Rockwell Automation is a versatile POINT I/O module designed for precise temperature and resistance measurement. It offers two high-accuracy input channels supporting multiple RTD types and direct resistance inputs. For complete wiring diagrams and configuration guidelines, download the detailed product manual here.
Technical Specifications
- Brand & Manufacturer: Allen-Bradley / Rockwell Automation
- Model: 1734-IR2
- Series: POINT I/O
- Module Type: RTD / Resistance Input
- Number of Channels: 2 single-ended non-isolated inputs
- Supported RTD Types: Pt100/200 (α=0.00385/0.003916), Cu10, Ni100/120
- Resistance Range: 0-600 Ω direct input capability
- Resolution: 16-bit (9.5 mΩ/count, 0.03°C/count for Pt385)
- Absolute Accuracy: ±0.1% full scale @ 25°C (77°F)
- Conversion Technology: Delta Sigma
- Data Format: Signed integer
- Update Rate: 4-40 ms (configurable 50-480 Hz notch filter)
- Step Response: 6-60 ms (depending on filter setting)
- Power Consumption: 1.0W @ 28.8V DC
- Current Draw: 220 mA @ 5V DC
- Isolation Voltage: 50V continuous
- Operating Temperature: -20°C to 55°C (-4°F to 131°F)
- Dimensions: 56 x 12 x 75.5 mm (2.2 x 0.47 x 2.97 in)
Packaging Contents
- One 1734-IR2 RTD/resistance input module
- Comprehensive installation and operation documentation
- Express shipping via FedEx, UPS, or DHL available worldwide
- All products include 12-month comprehensive warranty coverage
Frequently Asked Questions
- What applications typically use the 1734-IR2 module?
Process temperature monitoring, machine protection, and environmental control systems. - Can I use different RTD types on the two channels?
Yes, each channel can independently configure for different sensor types. - What is the recommended wire type for RTD connections?
Use shielded twisted pair wires for best noise immunity and accuracy. - How does the notch filter improve measurement quality?
It reduces interference from AC power lines and other electrical noise sources. - Can this module measure thermocouple inputs?
No, the 1734-IR2 specifically designed for RTD and resistance inputs only.
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