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- Allen Bradley
- 1734-IT2I
- Point I/O Module
- USA
- 56 × 12 × 75.5 mm
- 0.05kg
- Xiamen, China
- New & In Stock
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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Allen Bradley 1734-IT2I — Detailed Technical Overview (POINT I/O Isolated Thermocouple Input Module)
1. Product Overview
The Allen Bradley 1734-IT2I is a 2-channel isolated thermocouple input module designed for precise temperature measurement in distributed industrial automation systems. It is part of a modular I/O platform that enables signal acquisition close to field instruments, improving measurement stability and reducing wiring complexity.
This module is specifically designed to process thermocouple signals from a wide range of sensor types, including commonly used industrial standards. Each channel is individually isolated, which enhances signal integrity and protects the system from electrical noise and ground loops.
The 1734-IT2I integrates into a POINT I/O system and communicates through a backplane to a network adapter. Its compact design and high measurement accuracy make it suitable for temperature-sensitive applications where precision and reliability are essential.
2. Brand and Series
- Brand: Allen Bradley
- Series: POINT I/O (1734 Series)
- Product Type: Isolated Thermocouple Input Module
The POINT I/O series is widely used in distributed automation architectures, providing flexible and scalable solutions for industrial control systems.
3. Technical Parameters
Parameter Table
| Parameter | Specification |
|---|---|
| Model | 1734-IT2I |
| Module Type | Analog Input (Thermocouple, Isolated) |
| Number of Channels | 2 |
| Input Type | Thermocouple |
| Supported Thermocouples | J, K, T, E, R, S, N |
| Input Range | Sensor dependent |
| Resolution | 16-bit |
| Measurement Resolution | Approx. 0.1°C |
| Accuracy | ±0.2% full scale (typical) |
| Channel Isolation | Yes (channel-to-channel and channel-to-backplane) |
| Cold Junction Compensation | Integrated |
| Conversion Time | Approx. 80–120 ms per channel |
| Noise Rejection | High (due to isolation) |
| Backplane Current | Approx. 75 mA @ 5V DC |
| Power Dissipation | Approx. 1.2 W |
| Diagnostics | Open thermocouple detection |
| Indicators | Module status LED |
| Wiring Category | Low-level analog signals |
| Mounting | DIN Rail (via terminal base) |
| Enclosure | Open-style |
| Operating Temperature | -20°C to +55°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5–95% non-condensing |
| Dimensions | Approx. 56 × 12 × 75.5 mm |
| Weight (kg) | Approx. 0.05 kg |
4. Product Features
The 1734-IT2I provides two fully isolated thermocouple input channels, ensuring accurate and interference-free temperature measurement.
Each channel is electrically isolated, reducing the impact of noise and eliminating ground loop issues commonly found in industrial environments.
The module includes built-in cold junction compensation, ensuring reliable thermocouple readings without additional hardware.
It supports multiple thermocouple types, making it adaptable to a wide range of temperature sensing applications.
Its compact design allows easy installation in distributed I/O systems where space is limited.
5. Typical Applications
The 1734-IT2I is widely used in applications where precise and reliable temperature measurement is required:
- Industrial furnaces and kilns
- Heat treatment and thermal processing systems
- Chemical and petrochemical plants
- Power generation facilities
- Metal processing and glass manufacturing
- High-noise industrial environments
It is especially suitable for applications where electrical isolation is necessary to maintain measurement accuracy.
6. Product Advantages
Channel-to-Channel Isolation
Improves signal quality and prevents interference between inputs.
Accurate Temperature Measurement
Supports a wide range of thermocouple types with built-in compensation.
Enhanced Noise Immunity
Isolation reduces the effects of electrical noise and ground loops.
Flexible Sensor Compatibility
Compatible with standard industrial thermocouples.
Compact and Modular Design
Fits easily into distributed I/O architectures.
Reliable Diagnostics
Detects open-circuit conditions for improved system reliability.
7. Recommended Models (Same Series or Related)
POINT I/O Series Related Models
| Model | Type | Channels | Signal Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1734-IT2I | Analog Input | 2 | Thermocouple (Isolated) | 56×12×75.5 | 0.05 |
| 1734-IK | Analog Input | 2 | Thermocouple/mV | 56×12×75.5 | 0.05 |
| 1734-IR2 | Analog Input | 2 | RTD | 56×12×75.5 | 0.04 |
| 1734-IE2C | Analog Input | 2 | Current | 56×12×75.5 | 0.05 |
| 1734-IE8C | Analog Input | 8 | Current | 75.5×12×56 | 0.05 |
| 1734-AENT | Adapter | N/A | — | 133×56×79.8 | 0.30 |
8. Recommended Popular Models (Same Brand)
Popular Models
| Model | Type | Key Function | Voltage | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1769-L33ER | PLC Controller | Compact controller | 24V DC | 118×87×87 | 0.50 |
| 1756-L81E | PLC Controller | High-performance controller | 24V DC | 175×90×140 | 0.65 |
| 1756-EN2T | Communication | Ethernet module | 24V DC | 145×35×140 | 0.30 |
| 1734-AENTR | Adapter | Ethernet I/O adapter | 24V DC | 56×12×75.5 | 0.04 |
| 5069-IF8 | Analog Input | 8-channel analog input | 24V DC | 138×42×95 | 0.30 |